Born in Framingham, he was raised and educated in Westborough and was a 2004 graduate of Westborough High School. He also attended Quinsigamond Community College.
Brendan was a self-employed personal trainer and enjoyed weight lifting.
He is survived by one daughter, Lacy Jane Haynes; his mother, Kobe A. Allen and her husband Fritz of Westborough; his father, Walter J. Haynes of Hopkinton; one brother, Tyler K. Haynes of Westborough; maternal grandfather, Bruce H. Rampe and his wife Joanne; maternal grandmother, Sharon A. Rampe; paternal grandmother, Irene R. Haynes; Lacy Jane’s mother, Lindsay Donovan; and many aunts, uncles, and cousins. He was predeceased by a daughter, Lexi Jade Haynes.
Relatives and friends are invited to attend calling hours Friday, Nov. 25, from 3-7 p.m., at the David A. Pickering Westborough Funeral Home, 62 West Main St., Westborough. Interment will be private.
In lieu of flowers, donations in his memory may be made to the Lexi Jade Haynes Memorial Fund, c/o Central One Federal Credit Union.