John Louis Costello

John Louis Costello, age 86, of North Chelmsford, passed away peacefully in the early morning hours of April 27, 2026, at The Atrium on Drum Hill.

Family and friends will gather to honor and remember John for a period of visitation on Thursday, April 30, 2026, from 5:00 PM to 7:00 PM, at the Badger Funeral Home, 347 King St., Littleton, MA. John’s Funeral Mass will be held on Friday, May 1, 2026, at 10:00 AM, in St. Theresa, The Little Flower Church, 15 Still River Rd., Harvard, MA.

John's full obituary to follow.

In lieu of flowers, please consider making a donation in John’s memory to

The Covenant House

PO Box 758636

Topeka KS 66675-9986

https://www.covenanthouse.org/donation-options/donate

Arrangements under the care of the Badger Funeral Home, 347 King St., Littleton, MA. 978-486-3709, www.badgerfuneral.com.