After his first wife died, Davis married Mary M. Wyman from Cambridge, Massachusetts in 1914, and, after her death, he married Lucy L. Tennant from Milton, Massachusetts in 1928, who survived him.
Nakon što mu je umrla prva žena, Davis se 1914. godine oženio Mary M. Wyman iz Cambridgea, Massachusetts, a nakon njene smrti oženio se 1928. godine Lucy L. Tennant iz Miltona, Massachusetts koja ga je nadživjela.