A Mass for Dominick Dick Delia, 91, a lifelong Berkeley Heights resident, will be at 11 a.m. Tuesday in the Church of the Little Flower, Berkeley Heights. Arrangements are by the Ford Funeral Home, Flemington. Mr. Delia, who died Thursday in the Berkeley Heights Convalescent Center, ran businesses in the Berkeley Heights/New Providence area. He founded the first retail establishment in Berkeley Heights, Delias Home Supply, a general store. He later opened Maries Luncheonette, now the Corner Cafe, in New Providence and, in the early 1950s, built Delias Liquors, now Janssens Liquors, on Plainfield Avenue in Berkeley Heights. He served in the Marine Corps during peacetime. Mr. Delia was instrumental in the organization of the Berkeley Heights Police Athletic League and was a founder of the Berkeley Heights Recreation Commission. Surviving are Angela Maria, his wife of 67 years; sons, Richard and Gary; a sister, Florence Schmidt, and three grandchildren.