On 26 Sep 1916 when Katherine was 31, she married
Garret Oosterhof, son of
Henry Oosterhof (ca 1858-) &
Geesien (ca 1856-), in Grand Rapids, Kent County, Michigan.
Born on 18 Feb 1892 in Kalamazoo, Kalamazoo County, Michigan. Garret died in Grand Rapids, Kent County, Michigan, on 1 Aug 1974; he was 82.