Claire M. (Koelsch) (Warren) Pratt, 87, of Mattapoisett, formerly of Canton, passed away peacefully Dec. 28, 2022 at home surrounded by her family. She was born in Boston, a daughter of the late Frank and Isabelle (McClennon) Koelsch. Claire was a professional crossing guard in Canton and West Bridgewater. With her husband of 55 years Bruce K. Pratt they operated Berwick Marine on Rt. 106 at 400 West Center St. in West Bridgewater for many years. Claire was a member of Order of Eastern Star, Social Order of Beauceant, and Daughters of the Nile (Shriners). She was a dedicated supporter of functions and activities at Paul Revere Lodge in Brockton where Bruce was life member and Past Master. Claire loved her family and home, everything pineapples, seahorses, baskets and the beach. Claire was also the beloved mother of Deborah Warren of Quincy, Karen Rogers and her husband Jeffrey of Taunton, and Melissa Gonsalves and her husband Robert of South Dartmouth; dear stepmother of Denise Mizzoni of Bourne and Lisa McLaughlin of Sandwich and her late husband Jack; loving grandmother of Kayla Amaru and her husband Christopher, Kevin Rogers and his wife Paige, Kathryn Rogers, Matthew Gonsalves, stepgrandmother of Sarah Mizzoni and her husband Shayne Hurley, Michelle Mizzoni and Heather McLaughlin; great-grandmother of Charles and Harrison Amaru; sister of Gerald Koelsch and his wife Marjorie, and Denise Shea and her husband David, all of Brockton; and an aunt of several nieces and nephews. All are welcome to calling hours Friday Jan. 6 from 4-8 pm at Waitt Funeral Home, 850 N. Main St. Brockton, her funeral Saturday Jan. 7 at 9 a.m. from Waitt Funeral Home, funeral Mass at 10 am at St. Ann Church, 103 N. Main St. West Bridgewater and burial at High St. Cemetery in Hingham. In lieu of flowers memorial gifts may be made to Southcoast Hospice, 200 Mill Rd. Fairhaven MA 02719.