Judge Mary Lou Byrne: Professional Background and Legal Expertise

Appointed By: Los Angeles County Superior Court Judges

Biography

Hon. Mary Lou Byrne is a commissioner for the Los Angeles County Superior Court in California. She was elected to the bench by the Los Angeles County Superior Court judges in 2005.


Prior to her election, Byrne was a research attorney for the Hon. Dennis Perluss, presiding justice of Division Seven of the California Second District Court of Appeal.


Before that, she spent twelve years in corporate practice at Nossaman Guthner Knox Elliott LLP, having joined the firm after graduating from law school in 1988. During her tenure there, Byrne rose through the ranks to be named partner of the firm’s business litigation practice.


She received a B.S. from Pepperdine University in 1983. Byrne went on to complete a J.D. at the University of Southern California, Gould School of Law in 1988.


She served as the president of the Pasadena Rotary Club.

Recent Cases by Hon. Mary Lou Byrne

On January 13, 2022 a dissolution w/o minor children (general jurisdiction) case was filed in the jurisdiction of Los Angeles County. Judge Mary Lou Byrne presiding.

Filed

Jan 13, 2022

Status

Active

Judge

Hon. Mary Lou Byrne Trellis Spinner 👉 Discover key insights by exploring more analytics for Mary Lou Byrne

Court

Los Angeles County

County

Los Angeles County, CA

Category

Dissolution w/o Minor Children (General Jurisdiction)

Practice Area

Family

Matter Type

Divorce,Separation

Case Last Refreshed

Feb 10, 2023

On July 29, 2021 an unlawful detainer/residential (not drugs or wrongful eviction) (general jurisdiction) case was filed in the jurisdiction of Los Angeles County. Judge Mary Lou Byrne presiding.

Filed

Jul 29, 2021

Status

Active

Judge

Hon. Mary Lou Byrne Trellis Spinner 👉 Discover key insights by exploring more analytics for Mary Lou Byrne

Court

Los Angeles County

County

Los Angeles County, CA

Category

Unlawful Detainer/Residential (not drugs or wrongful eviction) (General Jurisdiction)

Practice Area

Property

Matter Type

Unlawful Detainer

Case Last Refreshed

Apr 18, 2022

On July 2, 2021 a dissolution w/o minor children (general jurisdiction) case was filed in the jurisdiction of Los Angeles County. Judge Mary Lou Byrne presiding.

Filed

Jul 02, 2021

Status

Active

Judge

Hon. Mary Lou Byrne Trellis Spinner 👉 Discover key insights by exploring more analytics for Mary Lou Byrne

Court

Los Angeles County

County

Los Angeles County, CA

Category

Dissolution w/o Minor Children (General Jurisdiction)

Practice Area

Family

Matter Type

Divorce,Separation

Case Last Refreshed

Mar 15, 2023

On June 30, 2021 a dissolution w/o minor children (general jurisdiction) case was filed in the jurisdiction of Los Angeles County. Judge Mary Lou Byrne presiding.

Filed

Jun 30, 2021

Status

Active

Judge

Hon. Mary Lou Byrne Trellis Spinner 👉 Discover key insights by exploring more analytics for Mary Lou Byrne

Court

Los Angeles County

County

Los Angeles County, CA

Category

Dissolution w/o Minor Children (General Jurisdiction)

Practice Area

Family

Matter Type

Divorce,Separation

Case Last Refreshed

Mar 18, 2023

On March 8, 2021 a dv prevention w/ minor children (general jurisdiction) case was filed in the jurisdiction of Los Angeles County. Judge Mary Lou Byrne presiding.

Filed

Mar 08, 2021

Status

Other

Judge

Hon. Mary Lou Byrne Trellis Spinner 👉 Discover key insights by exploring more analytics for Mary Lou Byrne

Court

Pasadena

County

Los Angeles County, CA

Category

DV Prevention w/ Minor Children (General Jurisdiction)

Practice Area

Family

Matter Type

Domestic Violence

Case Last Refreshed

Mar 15, 2023

On March 5, 2021 a dv prevention w/o minor children (general jurisdiction) case was filed in the jurisdiction of Los Angeles County. Judge Mary Lou Byrne presiding.

Filed

Mar 05, 2021

Status

Other

Judge

Hon. Mary Lou Byrne Trellis Spinner 👉 Discover key insights by exploring more analytics for Mary Lou Byrne

Court

Pasadena

County

Los Angeles County, CA

Category

DV Prevention w/o Minor Children (General Jurisdiction)

Practice Area

Family

Matter Type

Domestic Violence

Case Last Refreshed

Mar 15, 2023

On January 8, 2021 a dv prevention w/ minor children (general jurisdiction) case was filed in the jurisdiction of Los Angeles County. Judge Mary Lou Byrne presiding.

Filed

Jan 08, 2021

Status

Other

Judge

Hon. Mary Lou Byrne Trellis Spinner 👉 Discover key insights by exploring more analytics for Mary Lou Byrne

Court

Los Angeles County

County

Los Angeles County, CA

Category

DV Prevention w/ Minor Children (General Jurisdiction)

Practice Area

Family

Matter Type

Domestic Violence

Case Last Refreshed

Feb 07, 2023

On July 22, 2019 a dissolution w/ minor children (general jurisdiction) case was filed in the jurisdiction of Los Angeles County. Judge Mary Lou Byrne presiding.

Filed

Jul 22, 2019

Status

Default Judgment

Judge

Hon. Mary Lou Byrne Trellis Spinner 👉 Discover key insights by exploring more analytics for Mary Lou Byrne

Court

Pasadena

County

Los Angeles County, CA

Category

Dissolution w/ Minor Children (General Jurisdiction)

Practice Area

Family

Matter Type

Divorce,Separation

Case Last Refreshed

Jun 08, 2023

On January 23, 2019 a dv prevention w/ minor children (general jurisdiction) case was filed in the jurisdiction of Los Angeles County. Judge Mary Lou Byrne presiding.

Filed

Jan 23, 2019

Status

Other

Judge

Hon. Mary Lou Byrne Trellis Spinner 👉 Discover key insights by exploring more analytics for Mary Lou Byrne

Court

Los Angeles County

County

Los Angeles County, CA

Category

DV Prevention w/ Minor Children (General Jurisdiction)

Practice Area

Family

Matter Type

Domestic Violence

Case Last Refreshed

Feb 03, 2023

On December 10, 2018 a dv prevention w/ minor children (general jurisdiction) case was filed in the jurisdiction of Los Angeles County. Judge Mary Lou Byrne presiding.

Filed

Dec 10, 2018

Status

Want of Prosecution

Judge

Hon. Mary Lou Byrne Trellis Spinner 👉 Discover key insights by exploring more analytics for Mary Lou Byrne

Court

Los Angeles County

County

Los Angeles County, CA

Category

DV Prevention w/ Minor Children (General Jurisdiction)

Practice Area

Family

Matter Type

Domestic Violence

Case Last Refreshed

Sep 11, 2021

On December 6, 2018 a dv prevention w/o minor children (general jurisdiction) case was filed in the jurisdiction of Los Angeles County. Judge Mary Lou Byrne presiding.

Filed

Dec 06, 2018

Status

Other

Judge

Hon. Mary Lou Byrne Trellis Spinner 👉 Discover key insights by exploring more analytics for Mary Lou Byrne

Court

Pasadena

County

Los Angeles County, CA

Category

DV Prevention w/o Minor Children (General Jurisdiction)

Practice Area

Family

Matter Type

Domestic Violence

Case Last Refreshed

Feb 08, 2023

On July 3, 2018 a civil harassment prevention (general jurisdiction) case was filed in the jurisdiction of Los Angeles County. Judge Mary Lou Byrne presiding.

Filed

Jul 03, 2018

Status

Other

Judge

Hon. Mary Lou Byrne Trellis Spinner 👉 Discover key insights by exploring more analytics for Mary Lou Byrne

Court

Pasadena

County

Los Angeles County, CA

Category

Civil Harassment Prevention (General Jurisdiction)

Practice Area

Torts

Matter Type

Harassment

Case Last Refreshed

Sep 13, 2023

On July 3, 2018 a civil harassment prevention (general jurisdiction) case was filed in the jurisdiction of Los Angeles County. Judge Mary Lou Byrne presiding.

Filed

Jul 03, 2018

Status

Other

Judge

Hon. Mary Lou Byrne Trellis Spinner 👉 Discover key insights by exploring more analytics for Mary Lou Byrne

Court

Pasadena

County

Los Angeles County, CA

Category

Civil Harassment Prevention (General Jurisdiction)

Practice Area

Torts

Matter Type

Harassment

Case Last Refreshed

Oct 17, 2023

On July 2, 2018 a dv prevention w/ minor children (general jurisdiction) case was filed in the jurisdiction of Los Angeles County. Judge Mary Lou Byrne presiding.

Filed

Jul 02, 2018

Status

Want of Prosecution

Judge

Hon. Mary Lou Byrne Trellis Spinner 👉 Discover key insights by exploring more analytics for Mary Lou Byrne

Court

Los Angeles County

County

Los Angeles County, CA

Category

DV Prevention w/ Minor Children (General Jurisdiction)

Practice Area

Family

Matter Type

Domestic Violence

Case Last Refreshed

Feb 07, 2023

On June 29, 2018 a dv prevention w/o minor children (general jurisdiction) case was filed in the jurisdiction of Los Angeles County. Judge Mary Lou Byrne presiding.

Filed

Jun 29, 2018

Status

Want of Prosecution

Judge

Hon. Mary Lou Byrne Trellis Spinner 👉 Discover key insights by exploring more analytics for Mary Lou Byrne

Court

Los Angeles County

County

Los Angeles County, CA

Category

DV Prevention w/o Minor Children (General Jurisdiction)

Practice Area

Family

Matter Type

Domestic Violence

Case Last Refreshed

Mar 23, 2021

On June 27, 2018 a dv prevention w/o minor children (general jurisdiction) case was filed in the jurisdiction of Los Angeles County. Judge Mary Lou Byrne presiding.

Filed

Jun 27, 2018

Status

Want of Prosecution

Judge

Hon. Mary Lou Byrne Trellis Spinner 👉 Discover key insights by exploring more analytics for Mary Lou Byrne

Court

Los Angeles County

County

Los Angeles County, CA

Category

DV Prevention w/o Minor Children (General Jurisdiction)

Practice Area

Family

Matter Type

Domestic Violence

Case Last Refreshed

Mar 20, 2021

On June 26, 2018 a dv prevention w/o minor children (general jurisdiction) case was filed in the jurisdiction of Los Angeles County. Judge Mary Lou Byrne presiding.

Filed

Jun 26, 2018

Status

Want of Prosecution

Judge

Hon. Mary Lou Byrne Trellis Spinner 👉 Discover key insights by exploring more analytics for Mary Lou Byrne

Court

Pasadena

County

Los Angeles County, CA

Category

DV Prevention w/o Minor Children (General Jurisdiction)

Practice Area

Family

Matter Type

Domestic Violence

Case Last Refreshed

Feb 21, 2023

On June 25, 2018 a dv prevention w/ minor children (general jurisdiction) case was filed in the jurisdiction of Los Angeles County. Judge Mary Lou Byrne presiding.

Filed

Jun 25, 2018

Status

Other

Judge

Hon. Mary Lou Byrne Trellis Spinner 👉 Discover key insights by exploring more analytics for Mary Lou Byrne

Court

Los Angeles County

County

Los Angeles County, CA

Category

DV Prevention w/ Minor Children (General Jurisdiction)

Practice Area

Family

Matter Type

Domestic Violence

Case Last Refreshed

Feb 08, 2022

On June 25, 2018 a dv prevention w/ minor children (general jurisdiction) case was filed in the jurisdiction of Los Angeles County. Judge Mary Lou Byrne presiding.

Filed

Jun 25, 2018

Status

Want of Prosecution

Judge

Hon. Mary Lou Byrne Trellis Spinner 👉 Discover key insights by exploring more analytics for Mary Lou Byrne

Court

Los Angeles County

County

Los Angeles County, CA

Category

DV Prevention w/ Minor Children (General Jurisdiction)

Practice Area

Family

Matter Type

Domestic Violence

Case Last Refreshed

Feb 16, 2021

On June 25, 2018 an elder/dependent adult abuse prevention (general jurisdiction) case was filed in the jurisdiction of Los Angeles County. Judge Mary Lou Byrne presiding.

Filed

Jun 25, 2018

Status

Other

Judge

Hon. Mary Lou Byrne Trellis Spinner 👉 Discover key insights by exploring more analytics for Mary Lou Byrne

Court

Pasadena

County

Los Angeles County, CA

Category

Elder/Dependent Adult Abuse Prevention (General Jurisdiction)

Practice Area

Torts

Matter Type

Elder Abuse

Case Last Refreshed

Oct 19, 2023

On June 22, 2018 a dv prevention w/o minor children (general jurisdiction) case was filed in the jurisdiction of Los Angeles County. Judge Mary Lou Byrne presiding.

Filed

Jun 22, 2018

Status

Want of Prosecution

Judge

Hon. Mary Lou Byrne Trellis Spinner 👉 Discover key insights by exploring more analytics for Mary Lou Byrne

Court

Los Angeles County

County

Los Angeles County, CA

Category

DV Prevention w/o Minor Children (General Jurisdiction)

Practice Area

Family

Matter Type

Domestic Violence

Case Last Refreshed

Aug 06, 2021

On June 1, 2018 a dv prevention w/o minor children (general jurisdiction) case was filed in the jurisdiction of Los Angeles County. Judge Mary Lou Byrne presiding.

Filed

Jun 01, 2018

Status

Other

Judge

Hon. Mary Lou Byrne Trellis Spinner 👉 Discover key insights by exploring more analytics for Mary Lou Byrne

Court

Los Angeles County

County

Los Angeles County, CA

Category

DV Prevention w/o Minor Children (General Jurisdiction)

Practice Area

Family

Matter Type

Domestic Violence

Case Last Refreshed

Mar 10, 2021

On May 30, 2018 a dv prevention w/ minor children (general jurisdiction) case was filed in the jurisdiction of Los Angeles County. Judge Mary Lou Byrne presiding.

Filed

May 30, 2018

Status

Other

Judge

Hon. Mary Lou Byrne Trellis Spinner 👉 Discover key insights by exploring more analytics for Mary Lou Byrne

Court

Los Angeles County

County

Los Angeles County, CA

Category

DV Prevention w/ Minor Children (General Jurisdiction)

Practice Area

Family

Matter Type

Domestic Violence

Case Last Refreshed

Jul 13, 2023

On February 7, 2018 a civil harassment prevention (general jurisdiction) case was filed in the jurisdiction of Los Angeles County. Judge Mary Lou Byrne presiding.

Filed

Feb 07, 2018

Status

Other

Judge

Hon. Mary Lou Byrne Trellis Spinner 👉 Discover key insights by exploring more analytics for Mary Lou Byrne

Court

Pasadena

County

Los Angeles County, CA

Category

Civil Harassment Prevention (General Jurisdiction)

Practice Area

Torts

Matter Type

Harassment

Case Last Refreshed

Sep 18, 2023

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