Of Lockport, NY entered into rest February 13, 2026. Beloved wife of 42 years to Mark J. Coughlin; devoted mother of Kathleen (Jeremy) Nevins and Michelle (Christopher D.) Majchrzak; cherished grandmother of Teagan, Hudson, and Rowan; loving daughter of Henry and Shirley Marie (nee Laquee) Puchala; dear sister of Donald (Shirley), Richard (Diane), and the late Ronald; also survived by several loving nieces, nephews, family, and friends. 

Relatives and friends may visit the Lombardo Funeral Home (Northtowns Chapel) 885 Niagara Falls Blvd. near Eggert/Sheridan Dr. on Saturday, March 21 from 3-6 PM. A Prayer Service will immediately follow. In lieu of flowers, donations may be made in Diane's memory to Hospice of Buffalo, or the American Lung Association. Condolences may be made on this page.