Susan Avery Riordan died peacefully surrounded by family at her home on September 22, 2026, at the age of 96. She was born in Mason City, Iowa on December 2, 1929, to Gilbert Stiles Avery, Jr. and Susan White Avery. She graduated from Jefferson High School in San Antonio, where she was a member of The Lassos. She attended Sullins College in Bristol, Virginia. Susan owned and operated Avery & Company until her retirement and was a longtime member of St. Mark’s Episcopal Church, serving for 35 years on the Altar Guild.
Susan is survived by her three beloved sons, Herb and his wife, Lolly; Steve and his wife, Susan; and Mike and his partner, Laurie Yochum. She is also survived by her six grandchildren, Avery Riordan (Jesse Driver), Rachel Riordan, Lauren Riordan (Anthony Perez), Sydney Georg (Matthew), Christian Riordan (Taylor), Emmy Riordan; Great-grandchildren: Harlan Driver, River & Rowan Riordan, Archer Perez, and Emmett Georg.
She was preceded in death by her parents; her brother, Gilbert Avery III; and longtime companion, Ed Cobb.
A memorial service will be held on Friday, October 23rd at 11:00 am at St. Mark’s Episcopal Church, 315 E. Pecan St., San Antonio, TX. In lieu of flowers, the family requests donations be made to St. Mark’s Episcopal Church, the San Antonio Food Bank, or the San Antonio Botanical Garden.
