John Joseph "Jack" Hannigan, 92, of Houston, Texas passed away peacefully on Saturday, January 21, 2023. Born on November 26, 1930 in New Haven, Connecticut, he was the son of the late John Sarsfield Hannigan and Anna Elizabeth (Gildea) Hannigan. He was a proud member of the Hillhouse High School Class of 1948. He attended the University of Connecticut, was a member of the ROTC program, Lambda Chi Alpha fraternity and graduated with his Bachelor of Science in Civil Engineering and a commission as a second lieutenant in the US Air Force. While attending graduate school at the University of Minnesota in Minneapolis, he met his beautiful bride, Beverly Jean Micklewright. They married on December 19, 1953 in Davenport, Iowa and celebrated 61 years together before Bev passed away in May of 2015. During his 22 years in the Air Force, Jack and Bev were stationed in several locations throughout the US and Europe. Otis Air Force Base, Cape Cod, Massachusetts; USAF Radar Station, Ramore, Ontario, Canada; K.I. Sawyer Air Force Base, Gwinn and Marquette, MI; Stewart Air Force Base, Newburg, NY; Izmir, Turkey; University of Michigan, Ann Arbor; Strategic Air Command (SAC), Offutt Air Force Base, Omaha, Nebraska; Air Force Security Service, Frankfurt, Germany; Pleiku and Da Nang, Vietnam (without family); and Kelly Air Force Base, San Antonio, Texas. After retiring from the Air Force, Jack moved his family to Houston, Texas where he embarked on his civilian career. He was employed as a civil engineer by Turner, Collie & Braden and for the City of Houston Public Works Department before retiring in 1992. Jack made many life-long friends on several continents while traveling the world with the USAF and during his retirement. Jack and Bev also loved hosting friends and family from all over and showing them the sights and sounds of Texas. Many people were shown a good time at Gilley's, the Houston Livestock Show & Rodeo, San Jacinto Monument, Space Center Houston, the Houston Ship Channel, and eating seafood and touring Galveston. Jack was a loving husband, father, Papa and great-grandfather who treasured his family and lived a very full life. Jack was preceded in death by his parents, four siblings, Francis Hannigan, Margaret McKiernan, Anne Moore, and Grace Lagos, and his loving wife, Beverly. He is survived by daughters, Margaret "Peggy" Kircher of Houston, Texas; Jean Dotson and husband E.B. of Abilene, Texas; and Mary Pat "Patty" Butler and husband Kent of Midlothian, Texas; grandchildren Amy Covey and husband Danny of Longview, Washington; Kathleen Butler of Mansfield, Texas; Ryan Butler of Vail, Colorado; Zachary Kircher and wife Payton and great-granddaughter Ruby of The Woodlands, Texas and many nieces, nephews and friends.