| Contractor |
| Daughter of Charles E. Gross and Ellen Clarissa Spencer Gross. Sister of Charles Welles Gross. Donated funds for chapel, along with her brother, in honor of their parents. |
| Architect. |
| Namesake, along with his wife, of Gross Memorial Chapel. |
| Son of Charles E. Gross and Ellen Clarissa Spencer Gross. Brother of Helen Clarissa Gross Chandler. Chaired the building and fundraising committee for the new chapel and addition to the parish house. Donated funds for chapel, along with his sister, in honor of their parents. |
| Namesake, along with her husband, of Gross Memorial Chapel. |
| Senior pastor during this construction project. |