Wednesday, November 11, 2026

Daniel Joseph McGarrigan III, 75, former senior advisor to the White House Military Office

SOUTHPORT — Daniel Joseph McGarrigan III, 75, passed away Tuesday, Jan. 1, 2019. Mr. McGarrigan, a native of Philadelphia, Pennsylvania, graduated from Villanova University with a B.S. Degree in Electrical Engineering; Widener University with an M.S. in Systems Engineering; and the Defense Systems Management College with an M.A. in Acquisition Management.

Professionally, Mr. McGarrigan was a senior advisor to the White House Military Office, Naval Aviation and the Marine Corps for the development and restart efforts for the Presidential Helicopter Replacement Program. During his tenure with the Department of Defense, Mr. McGarrigan was the program manager responsible for all aircraft launch and recovery for Naval Air Systems Command. He managed a team of 1,200 professionals with a $300 million annual budget. As deputy acquisition executive for Systems Command, he developed acquisition strategies, oversaw the independent assessments provided to Congress for the guided missile program and Navy tactical training ranges deficiencies. As a technical director for the command, he directed the integration of all aviation systems requiring onboard ship installation. He managed efforts of 12 senior program managers and provided leadership when reporting assigned programs to the Office of the Assistant Secretary of the Navy for Shipbuilding and Logistics.

As a visiting professor at St. Mary’s College, he provided guidance and counseling to members of the faculty and instructed industry members with regards to government contracting, risk management and program acquisition.

As the senior business development manager for the Cumberland Group, he advised corporate leadership regarding developing areas for growth and provided curricula for corporate team building and crisis management.

Mr. McGarrigan is survived by his wife, Peg; three children, Laurie, D.J. and Scott; and five grandchildren, Jackson, Ella Kate, Danny, Ethan and Dylan.

A memorial service will be held at 11 a.m., Friday, Jan. 4, at the Peacock-Newnam & White Funeral and Cremation Service.

Online condolences may be offered at Peacock-Newnam & White Funeral and Cremation Service.

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