John J. Hennigan Sr. Obituary

John J. Hennigan Sr. (Baltimore, Maryland) passed away on July 28, 2026. John, born on December 14, 1947, shared life alongside family, friends, and others. Leave a sympathy message to the family in the guestbook on this memorial page of John J. Hennigan Sr. to show support.

John will be remembered for the impact he had on the lives of those around him. Friends, family, and colleagues will cherish their memories and the time shared. Those who knew John will remember moments of kindness, warmth, and presence. Though words cannot fully capture his life, the legacy of connections and experiences remains. John’s absence will be deeply felt by those who valued his companionship.

He was predeceased by: his parents, Elmer Hennigan Sr. and Anna M. Hennigan (Zellinger); and his siblings, Joanne Hennigan (Hedy), Joan Dodge and Elmer Hennigan Jr. (Skeets).

He is survived by: his wife Mary Lou Hennigan (Matthew); and his sons, John J. Hennigan Jr. and Patrick M. Hennigan. He is also survived by many nieces, nephews.