Sister Mary Brennan, Dominican Sister of Peace, passed away peacefully at Maimonides Medical Center, Brooklyn, NY, on July 6, 2023. She was 81. 

Sister Mary was born on September 17, 1935, in Queens, NY. She entered the Dominican Sisters of Peace at the St. Catharine Motherhouse in Springfield, KY, in 1958, and made her final profession in 1960. 

Sister Mary taught in Illinois, Nebraska, and New York and worked at Sidney Sass Associates, as an administrative assistant for the CCD Department in the Diocese of Brooklyn, and as an accounting clerk at St. Francis de Sales School for the Deaf. She returned to the Congregation’s Motherhouse in Kentucky in 1986 where she served in the Finance Department. Her final ministry was in Brooklyn, where she served as a Social Service Case Manager for Catholic Charities and as a Social Work Supervisor for the homebound elderly. 

Sister Mary was preceded in death by her parents, Patrick and Mary (Buckley) and by her sister Patricia Buhse. She is survived by her beloved nephews, John, Kevin and Phillip Buhse, her godmother and cousin Kathleen Brady, many cousins and friends, and her Community at St. Catharine and the Dominican Sisters of Peace. 

The Funeral Mass and internment will take place at the Dominican Sisters of Peace Motherhouse in St. Catharine, KY, at a later date. A special memorial service will be held for her many local family and friends at the office of Catholic Charities in Brooklyn.