Mary Lou was born on June 16, 1930, in Ft. Worth, Texas, to Peck and Dale McGowan. They moved from Ft. Worth to Paducah in the early 1930’s and to Lubbock in the late 30’s so that the McGowan children could attend Lubbock schools and later Texas Tech University. Mary Lou graduated from Lubbock High School in 1947 and Texas Tech and 1951.Mary Lou was married to Robert W. Riley on January 26, 1951. After teaching math in LISD for a few years, she and Robert raised 3 daughters: Rebecca, Patricia, and Janie. Mary Lou was an active member of Christ Lutheran Church for more than 60 years. She enjoyed singing in the choir and teaching Sunday school. She was an avid aviation enthusiast and was an instrument-rated private pilot. Mary Lou and Robert worked together in their company, Brunson Brick & Stone, for 30 years before retiring in 2003. They spent their remaining years together at Biggin Hill near Shallowater, where they enjoyed flying and spending time with family.She was preceded in death by her parents, a sister, Jane Dale McGowan Cole, and a brother, William McGowan.Mary Lou is survived by her husband, Robert Riley; daughters Rebecca Riley and husband Roger Nubile, Patricia Arledge and husband Craig, and Janie Kennedy and husband Ken; and four grandchildren, Scott Hall, Emily Chauncey, Kavi Kardos, and Riley Kennedy.