Cyrus Abda Dolph was a businessman in Portland, Oregon, United States. He was a promoter and counselor of various financial and railway enterprises of the Pacific Northwest of the United States.

The DeWolf family is a prominent Canadian and American family that traces its roots to Balthazar DeWolf. The family's lineage can be traced back to Balthazar DeWolf, who was born in 1643 in the Netherlands and later immigrated to North America.