Theresa Frances Harris, born July 13, 1934, in Manhattan, New York, passed away peacefully on Sunday, June 30, 2026, at Sivilay Elderly Home Care in Pittsburg, California at the age of 91. She moved to Pittsburg in 1955 after marrying the love of her life, Anthony ("Tony" "Red") Harris. Theresa was a homemaker for the past 65 years. She is survived by her brother and preceded in death by her husband, Anthony Harris.

Visitation will be held on Thursday, July 16, 2026, at 9:00 am with a funeral service at 10:00 am at the Pittsburg Funeral Chapel. Committal services following at Holy Cross Cemetery in Antioch.