Reilly, Sister William Noreen, beloved Sister of Charity, Halifax for 69 years, entered peacefully into her eternal life on August 12, 2023 at Elizabeth Seton Residence, Wellesley,MA. Sister William Noreen was born in the Bronx, New York and is the only daughter of the late Nora C. (Daly) and William Michael Reilly. She is survived by all the loving members of her adopted Houlihan family, many friends in Boston and New York as well as all her sisters in the Congregation. She grew up in Rego Park, NY, attended Resurrection-Ascension School (staffed by the Sisters of Charity), Saint Agnes High School and Saint John’s University. She entered the Sisters of Charity in 1953 and ministered as a teacher in Saint Kevin and Saint Margaret Schools, Dorchester, MA, Saint Aidan School in Williston Park, NY and Saint Barnabas School and Parish, Long Island, NY. Sister William Noreen served in many administrative roles both as teacher and principal and was the founding principal of the Elizabeth Ann Seton School in Bellmore, NY. As a teacher her love of children was ever- present in her kindness, fairness and love. After retiring from education, she ministered in Saint Barnabas Parish as a Pastoral Associate, visiting local home-bound elders, the sick in hospitals and was involved with hospice care. Her devotion to the poor was outstanding and was evidenced by her constant commitment to the Saint Vincent dePaul Society. Sister William Noreen retired to Marillac Residence at Mount Saint Vincent in Wellesley in 2016 and with her upbeat spirit was always caring for the needs of others. Baseball was her passion and despite living in Greater Boston, she was a life-long and avid Yankee fan. Funeral Services for Sister William Noreen Reilly will take place on Monday, August 21, 2023 at Mount Saint Vincent, 125 Oakland Street, Wellesley, MA. Wake at 9:30 am followed by a Prayer Service and the Mass of Christian Burial at 10:45 AM. Interment will take place at Saint Mary Cemetery, Needham, MA immediately following the Mass. In lieu of flowers, donations in memory of Sister William Noreen may be made to the Sisters of Charity Retirement Center, 125 Oakland Street, Wellesley, MA 02481.