William Sisk Obituary

It is with deep sorrow that we announce the death of William Sisk (Acton, Massachusetts), who passed away on September 29, 2025, leaving to mourn family and friends. Leave a sympathy message to the family in the guestbook on this memorial page of William Sisk to show support.

He was predeceased by: his siblings, Nancy Federico, James Sisk and David Sisk; and his parents, James Sisk and Anna Sisk (Perry).

He is survived by: his wife Regina Sisk (Archila); his children, William Sisk (Megan), Edward Sisk (Caitlin) and Mercedes Sisk; his grandson Theodore William Sisk; and his siblings, Michael Sisk, Timothy Sisk, Stephen Sisk, Susan Salentine, Jo-Ann Carson and Margaret Cawley. He is also survived by many cousins, nieces, nephews and countless friends.

In lieu of flowers, the family requests contributions to the Crohn's & Colitis Foundation, or National Public Radio.