Posted May 12, 2025

S. Roseann Treston SSJ, (formerly S. Regina Gratiae), age 89, died on May 6, 2025, at Saint Joseph Villa.
The daughter of the late Conrad and Ann (nee Lashley) Treston, she attended Little Flower Grade School and Little Flower High School.

In September 1953 she entered the Sisters of Saint Joseph, Chestnut Hill, and professed her final vows in 1961.
Sister Roseann ministered in the dioceses of Baltimore, Charlotte, NC, Newark, Philadelphia, Washington, D.C. and Wilmington.

She is preceded in death by her nephew, Daniel Gill. She is survived by her brother, Cristopher “Gary” Treston, her sisters, Mary Pat Gill and Frances Treston. She is also survived by nephews Christopher Conrad, Stephen Owens, and her niece, Meredith Gill and by members of her Congregation, the Sisters of St. Joseph of Philadelphia.

Visitation by relatives and friends will begin at 9:30 am on Friday, May 9, 2025, at Saint Joseph Villa in Flourtown. A Mass will follow at 10:30 AM. Services will be livestreamed from the Saint Joseph Villa website www.stjosephvilla.org.

In lieu of flowers, donations may be made in Sister’s name to Saint Joseph Villa, 110 W. Wissahickon Ave, Flourtown, Pa.