1900 ID CENSUS Hazel V. Piper (b Apr 1889, Minnesota) enumerated with parents Seward D. (b July 1860, Minnesota, married 14y, occupation farmer) and Alice K. (b Mar 1861, Wisconsin, mother of 4 children, all living) and 3 siblings, all born in Minnesota, John M. (b Feb 1887), Jay S. (b Nov 1891) and Margery M. (b June 1896)
1910 ID CENSUS Hazel Piper (21y, b Minnesota) enumerated with parents Seward D. (49y, b Minnesota, married 24y, occupation farmer) and Alice R. (49y, b Wisconsin, mother of 4 children, 3 living at time of census) and 2 siblings, John M. (23y, b Minnesota) and Margery (14y, b Minnesota)
MARRIAGE Ernest G. Clark and Hazel V. Piper md 25 Sept 1912, Adams Co, Idaho
1920 OR CENSUS - Hazel V. Clark, age 30, b. Minnesota, is enumerated with husband Ernest G. Clark, age 35, occupation farmer, b. Oregon, along with Everett W., age 5, b. Oregon, and Ernest G., age 2 yrs 2 mos, b. Oregon.
1930 OR CENSUS Hazel V. Clark (39y, b Minnesota, married at age 23y) enumerated with husband Ernest G. Sr (45y, b Oregon, married at age 28y, occupation farmer) and 2 sons, both born in Oregon, Everett W. (15y) and E. George Jr (12y)
1940 OR CENSUS Hazel V. Clark (51y, b Minnesota) enumerated with husband Ernest G. (56y, b Oregon, occupation farmer); family was living in same place in 1935