Marie Catherine Brennan

Gilbert Funeral Home and Crematory

Obituaries | The Tube City Almanac | August 19, 2025

Marie Catherine Brennan, 70, of  West Mifflin, passed away Monday, August 18, 2025. She was born April 11, 1955 in Pittsburgh and was the daughter of the late Robert Paul Brennan, Sr. and Agnes (Rosepink) Brennan.  She obtained a bachelors degree in Nursing from The University of Pittsburgh and another in Business From Carnegie Mellon University. She was a nurse for many years and later worked for Highmark Blue Cross Blue Shield in the insurance side of health care as well.  Marie was a very smart woman and good person. She was a great mother and grandmother, who raised her two sons on her own.  She will be greatly missed.  Romans 8:18  "For I consider that the sufferings of the present time are not worth comparing with the glory that is to be revealed to us".

She is survived by her two sons, Bob (Jamie) Brennan and David (Juliann) Brennan; and grandsons, Jayden and Brysen. She was preceded in death by her parents.  There will be no visitation or services. Arrangements are by the Gilbert Funeral Home and Crematory, Inc., 1638 Lincoln Way, White Oak (412) 672-6322 Troy J. Gilbert, Director. Condolences may be made at GilbertFuneralHomeandCrematory.com

Originally published August 19, 2025.

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