Documents

1916 Canada census for William Boldt

Russell, Marquette, Manitoba, Canada

A Lodger in the Miller household:
Boldt, William, lodger, single, 21y old, born New York USA, Presbyterian,
immigrated to Canada 1903, Naturalized, ethnicity German, Railway Clerk for CPR (Canadian Pacific Railway)

note: William presumable crossed the border into Minnesota in 1917 and enlisted in the American Army.
Since William is listed as single in the 1916 census (taken 1 Jun 1916) and enlists in June 1917, he was almost certainly not married and did not have any children. No record of a marriage has been located for William.

note: William's father: Carl Julius Boldt, is listed in the 1916 census in the town of Shoal Lake, Manitoba. The two towns are about 75km apart

source: www.ancestry.com