Clifford Milburn Holland (March 13, 1883 - October 7, 1924) was born in Somerset, Massachusetts. He was the only child of Edward John Holland and Lydia Frances Hood. He graduated from Harvard University with a B.A. in 1905 and a B.S in Civil engineering in 1906. On November 5, 1908 he married Anna Coolidge Davenport (1885-1973). They had four daughters.
Holland was the chief engineer on the Hudson River Vehicular Tunnel project. The pressure was great for the two ends of the tunnel to meet and Holland died of a heart attack on the operating table while undergoing a tonsillectomy at a health center in Battle Creek, Michigan. The project was renamed the Holland Tunnel in his memory.