Harrington was born Margaret Bishop in Colfax, Washington in 1894. She married Jason Robert Harrington in 1914 and when he died in the 1930s, she got a job working for the WPA. She resigned that position in 1937 and then moved to Lewiston, where she worked for the Idaho Dept. of Public Assistance until her retirement in 1958. She then moved to San Carlos, California where she lived until her death at age 100 in 1994.
From the description of Margaret Harrington papers, 1935-2002, bulk, 1935-1937. (Spokane Public Library). WorldCat record id: 740955736