Milton never married. He's with his mother in the 1870 census.
In 1880 he's apparently listed both with his brother James Leander
in Owl Creek Province (at age 28) and (at age 33) with James' son William
in Lancaster, both Cowlitz Co. In 1900, he's listed with his sister Joella
Houghton in the town of Woodland, Cowlitz Co.
Census: 1880, Owl Creek Prov.,Cowlitz Co.,Washington
Census: 1900, Woodland,Cowlitz Co.,Washington (with his sister Joella Houghton)