Constance “Connie” (Rosati) Osborne passed away Saturday, July 14, 2018 at her home in Billerica surrounded by her loving family. Born in Boston, December 26, 1948, she was the daughter of the late Domenic and Nunzia (Valarese) Rosati. Connie grew up in Medford and lived there until she moved to Billerica where she raised her family. Prior to her diagnosis with Acute Myeloid Leukemia in April of 2018, Connie was very active. She enjoyed playing Bingo and going to the gym. Because of her deep faith, reading from her prayer book and attending mass were important parts of her daily and weekly routine. A devoted mother and grandmother, she loved spending time with her family whether it was hosting family gatherings, attending sporting events, traveling, and, especially, making memories with her two grandchildren. Connie is survived by her daughter and son-in-law, Michele and Paul Longuemare of Billerica; her sons, Derek Osborne of Billerica and John Osborne and his girlfriend, Valerie Zuffanti of Dracut. She also leaves her cherished grandchildren, Alycia Rose and Cole Domenic Longuemare of Billerica, her cousin Joseph Rosati of Plymouth, and her two brothers, Domenic Rosati of Wellfleet and Anthony Rosati of Medford.