Brennan-Mary Catherine (RN)-on Saturday, March 18, 2023, peacefully surrounded by family. Cherished wife of Joseph (Joe) Brennan. Beloved mother to Joshua (Rachel), Justin (Lisa) and Kevin (Alysha). Cherished grandmother to Claire, Connor, Logan and Dylan. Daughter of the late Linus (2018) and Madeline Downey. Sister of Mark (Sue), Carl (Maureen), Jane Dunlop (Dave), Paul (Annette) and Lorne, all of the Ottawa area. Predeceased by brother, John (1990). Survived by members of the Brennan Family, Sharon Whalen (Dennis), Helen Phillips (Terry), Jane Waterbury (Gord), Margaret Robson (Tom), Lawrence (Denise), Irene Lucy (Matt), Maureen Quinn (Mike), Marilyn McShane (Ross) Sheila Hawes (Steve), Cathy Mullarky (Ron), Ron (Lisa), Raymond (Leeanne), Frank (Theresa), Bryan (Sarah), Donna Kennelly (Brendan) and Mary Lou Langabeer (Scott). Remembered by several nieces and nephews. Visitation will be held on Friday, March 24, 2023 from 2-4 pm & 7-9 pm at the Wartman Funeral Home - Napanee. Mass of Christian Burial will be celebrated at St. Charles Borromeo Church, Read on Saturday, March 25, 2023 at 11:00 am. Interment parish cemetery. Donations to St. Charles Borromeo Church Building Fund, Heart of Hastings Hospice, and Tyendinaga Township Public Library for literacy programs would be appreciated by the family. On-line condolences and donations at www.wartmanfuneralhomes.com.