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Mary Cecilia O'Brien

1956 - 2025

BORN

1956

DIED

2025

FUNERAL HOME

Sunset Memorial Park & Funeral Home

1701 Austin Highway

San Antonio, Texas

Mary O'Brien Obituary

Mary Cecilia O'Brien
July 10, 1956 - November 2, 2025
Mary O'Brien was born on July 10, 1956, in Enid, Oklahoma, the fifth of eight children of Ruby and Valentine A. O'Brien Sr. She passed away on Sunday, November 2, 2025, at approximately 5:45 p.m., from natural causes at the age of 69.
Mary lived most of her life with her parents in San Antonio, Texas. For the past three years she resided at Cedar Point Health & Wellness Center in Cedar Park, Texas.
She is survived by her siblings: Patty Miller, Susan Foster, Katy Hempel, Skip O'Brien, John (OBIE) O'Brien, and Larry O'Brien. And their spouses, Larry, Robert, Chuck, Kim, Jamie, and Shari.
Funeral Service
Tuesday, November 18, 2025
Sunset Memorial Park & Funeral Home
1701 Austin Hwy, San Antonio, TX 78218
10:00 a.m.-12:00 p.m.: Visitation
12:00-12:30 p.m.: Chapel gathering for anyone who would like to speak
Committal Service
1:30 p.m. at Ft. Sam Pavilion
1520 Harry Wurzbach Rd, San Antonio, TX 78209
(Please note there will be no escort to the cemetery.)

To plant trees in memory, please visit the Sympathy Store.

Published by San Antonio Express-News from Nov. 13 to Nov. 14, 2025.

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Memorial Events
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Nov

8

Visitation

6:00 p.m. - 8:00 p.m.

Beck - 1431

1700 E. Whitestone Blvd., Cedar Park, TX 78613

Funeral services provided by:

Sunset Memorial Park & Funeral Home

1701 Austin Highway, San Antonio, TX 78218

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