John "Jack" "Caz" J. McGuire

Of Wilkins Township, originally from East Pittsburgh, age 74, died unexpectedly on Thursday, December 18, 2025.

Jack was preceded in death by his parents, John J. “Mickey” McGuire and Mary (Joyce) McGuire.

He was also preceded in death by his brothers, Terry “Bear” (surviving spouse, Elaine) McGuire, Daniel McGuire and his infant sister, Lorraine.

Jack was the brother of Michael “Mick” (Linda) McGuire of Los Angeles, CA; Uncle of Ryan McGuire, Stephen (Susan) McGuire and Miles (Elisabeth) McGuire; and great-uncle of Evan, Braeden, Addison, Gavin, Maya and Reagan McGuire.

Jack was a 1969 graduate of St. Thomas High School in Braddock, and he was a 1973 graduate of Alliance College in Cambridge Springs.  After graduation, he worked in several positions with varied entities, including the Union Switch and Signal Co.  Most recently he was a bus driver for the Penn Hills School District for several years.

Jack’s favorite pastimes were playing a round of golf with his friends and family and watching sports at the Sokol Hall.

All are welcome on Monday, January 5, 2026, from 4-7pm at Patrick T. Lanigan Funeral Home & Crematory, Inc., 700 Linden Ave. at Cable, East Pittsburgh, PA 15112, (412) 824-8800.

Mass of Christian Burial will be held in Sacred Heart Church of St. Joseph the Worker Parish on Tuesday, January 6, 2026, at 10 a.m.

Jack will be laid to rest in Braddock Catholic Cemetery.