The Hon. Mary Ann C. Sedillo is a judge for the Grant County Probate Court in New Mexico. She was elected to the bench on November 6, 2018, and re-elected in 2022.
Prior to her election, Sedillo spent time as the Executive Secretary for the Grant County Manager’s Office. Before that, she was the executive assistant to the Grant County Road Department. Sedillo began her career with the Grant County Clerk’s Office, rising through the ranks to become Deputy County Clerk and County Clerk.
Her memberships have included the Grant County Commission. She was also the county’s representative to the New Mexico Association of Counties Board of Directors.
Born in Silver City, New Mexico, Sedillo was raised in Santa Rita and Santa Clara. Her husband, Alfred, works as a manager at Sun-Valley True Value Hardware. She has three children.
She is registered as a Democrat.