1920 OR CENSUS – Robert L. Arnold (9m, b Oregon) enuemrated with parents Robert B. (39y, b Oregon, occupation farmer) and Anna J. (33y, b Oregon), sister Lera L. (4y11m, b Oregon) and Anna's father Lewis Ritner (64y, b Oregon, widowed)
1930 OR CENSUS - Robert Arnold, age 11, b. Oregon, is enumerated with Robert B., age 50, married at age 24, occupation farmer, b. Kansas, Anna, age 43, married at age 17, b. Oregon, Lucile, age 15, b. Oregon, Verda, age 9, b. Oregon, and Debney, age 4, b. Oregon. Also enumerated with the family is Lewis Ritner, identified as father-in-law [of Robert], age 73, widowed, b. Oregon.
1940 OR CENSUS – Robert L. Arnold (21y, b Oregon, occupation laborer, living in rural Polk co, Oregon in 1935), enumerated as lodger with Rittie Kerber family