Mary Ann Hartley

Mary Ann Hartley, 86, passed away on October 31, 2023, following a long battle with Alzheimer's.

Born July 11, 1937, in San Antonio, Texas to Nell & C.V. Heaslet. She was followed by her sister, Elizabeth (Liz), and her brother Robert (Bobby). She grew up with the joy of having many cousins, aunts & uncles, and beloved grandparents. Mary graduated from St. Gerard's High School, San Antonio, in 1955.

She continued her education at Southwest Texas State Teachers College graduating in 1959 with her degree in education. She then began her 41 yearlong teaching career.

While at college she met John Hartley, and they were married in November 1960 and moved to Houston to begin their married life.

Their daughter, Elizabeth Ann, arrived late November 1961, followed by Susan Lynn in January 1963. Because of John's work, they subsequently lived in San Antonio and Atlanta, Georgia, before moving to Richardson, Texas, in 1970.

North Texas was to be their home for the next 53 years, with an additional blessing in 1976 with the arrival of a son, Jeffery Clark.

Mary continued to teach wherever she lived, culminating with 31 years at Mendenhall Elementary in Plano Independent School District, retiring in 2001.

After her retirement, Mary kept busy with substituting, book clubs, garden clubs, volunteering at McKinney's Chestnut Square as a docent, and serving on various committees at her church, St. Gabriel's in McKinney. Mary enjoyed traveling with John and entertaining in their home. She was passionate about her garden, and she loved visiting (and visits from) her grandchildren and great grandchildren.

Mary is survived by her husband, John Hartley; daughters Liz Irby and husband Trip Irby and Susan Zellmer and husband Dale Zellmer; her three grandchildren, Michelle Argumaniz, Alex Gotliboski, and Chandler Gagne as well as two great grandchildren, Genevieve and Miriam Argumaniz.

A Funeral Mass will be held for Mary on Tuesday, November 21, 2023 at 11:00 at All Saints Catholic Church in Dallas, Texas.