1920 MT CENSUS – Olga Horten (5y, b South Dakota) enumerated with parents Thorsten O. (54y, b Norway, immigrated 1888, applied for papers 1889, occupation farmer) and Mary O. (46y, b Norway, immigrated 1888) and 4 siblings, all born in South Dakota, Anton (27y), Alma (24y), Theodore (18y) and Julia (14y) and granddaughter [of Thorsten] Easter G. Olen (1y9m, b Montana)
1930 OR CENSUS - Olga Horten, age 15, b. South Dakota, is enumerated in the home of her brother, Theodore N., age 29, single, occupation farmer, b. South Dakota, along with her father Thorsten O., age 65, occupation farm laborer, married at age 28, b. Norway, and mother Mary O., age 56, married at age 19, b. Norway, along with Ester Diew, age 12, b. South Dakota, and Teddy Rohme, age 5, b. Oregon.
MARRIAGE – Robert Lee York & Olga I. Horten md 19 Dec 1936, Multnomah co, Oregon
1940 OR CENSUS – Olga Q. York (25y, b South Dakota, occupation packer, living in Portland, Multnomah co, Oregon in 1935) enumerated with husband Robert L. (25y, b Oregon, occupation apprentice plumber, living in rural Polk co, Oregon in 1935)