John P. McMahon Obituary
We are sad to announce that on August 13, 2023 we had to say goodbye to John P. McMahon of West Islip, New York. Leave a sympathy message to the family in the guestbook on this memorial page of John P. McMahon to show support.
He was predeceased by: his parents, Patrick and Maureen; and his siblings, Jimmy, Patrick (Purdy) and Phyllis.
He is survived by: his spouse Marion (Reilly); his children, Maureen and Brendan; his siblings, Andrew, Gerard (Ger), Betty, Marie and Bernie; his siblings-in-law, Bill, Matt, Eamon and Dolores; and his mother-in-law Teresa Reilly.