Denis G. McMahon, age 81, of Dagsboro, DE formerly of Baltimore, MD passed away on Thursday, September 19, 2024 at Atlantic Shores Nursing Home in Millsboro, DE.

He was born in Baltimore, MD on January 24, 1943 son of the late Martin C. McMahon and the late Eleanor A. (Devlin) McMahon.  Denis proudly served his community for as a retired Battalion Chief of Communications for the Baltimore City Fire Department.

Following his retirement to Delaware, Denis again proudly served his community as a volunteer fireman with the Millville Volunteer Fire Company, serving in several capacities over the last 25 years.  Denis also had a strong faith, and was a daily mass attender and member at St. Ann Catholic Church in Bethany Beach, DE.

He was preceded in death by his wife, Jessica McMahon and his African grey parrot, Louie.

A graveside service will be held at 2 PM on Friday, October 11, 2024 at Gate of Heaven Cemetery, 32112 Vines Creek Rd., Dagsboro, DE 19939.