OSBH DC (Marion County 1944) #?
1900 OR CENSUS - Donald R. Brooks, age 13, b. May 1887 in Oregon, is enumerated with William, age 47, occupation lumberman, b. Mar 1853 in Iowa, and his wife of 2 years, Elizabeth R., age 46, mother of 10 children 8 of whom are living at the time of the census, b. Mar 1854 in Canada, along with Archibald W., age 18, b. Aug 1881 in Oregon, Blanch H., age 17, b. May 1883 in Oregon, Myron J., age 15, b. Dec 1884 in Oregon, Luella J., age 9, b. May 1891 in Oregon, Elizabeth R., age7, b. Jan 1893 in Oregon, Ivey S. T., age 5, b. Mary 1895 in Oregon, and Bessie D., F., age 3, b. Jul 1896 in Oregon.
MARRIAGE - Donald Brooks md Ethel M. Hildebrand 12 Dec 1916 in Marion Co., Oregon. 
WWI DRAFT REGISTRATION - Donald Brooks, age 30, of 546 S. 14th, Salem b. 18 May 1887 in Linton [Linnton], Oregon, occupation dryer at Thomas Kay Woolen Mills, married, height - medium; build - slender; eyes - blue; hair - brown.
1930 OR CENSUS - Donald Brooks, age 42, occupation woolen mills finisher, b. Oregon, is enumerated with wife Ethel M., age 35, b. Indiana, along with Beula B., age 11, b. Oregon,and Glen V., age 8, b. Oregon.

LR
LD
ODI
Saucy
1900 OR CENSUS (Multnomah Co., Linnton, ED 97, sheet 1A)
World War I Draft Registration Cards, 1917-1918
Oregon Marriages, 1906-1920
1930 OR CENSUS (Marion Co., Salem, ED 60, sheet 3B)