Mabel Olson (1890-1971) was a clerk and later a housewife. (b. June 25, 1890, Chicago, Cook County, Illinois, 60619, USA - d. August 15, 1971, Rockford, Winnebago County, Illinois, USA) Social Security Number 329449523.
- Tille Olson (1885-1918) who married Norval Wintrone (1890-1918) and they both died along with their child in the influenza pandemic of 1918
- Harry Oliver Olson (1887-1964) who served as a Lieutenant in World War I, married a French woman named Germaine X (1900-1920) who died after two years of marriage in San Francisco, and they had no children
- Norman Otto Olson (1895-1977) who married Isabelle Wickman (1901-1931) and had one child, then he married Eva Folkert (1904-2000) from Germany and had three children
- Helen Olive Olson (1900-1970) who married John Lozinski (1896-1980) and after a divorce married Frank Kirpichoff (1891-1965)
Mabel appears in the 1900 United States Census in Chicago living with her parents at 167 Milwaukee Avenue. She appeared in the 1910 Chicago City Directory working as a clerk and living at 465 Milwaukee Avenue.
She married Jesse Garrett Clay (1888-1976) around 1911.
In 1930 Jesse and Mabel were living at 1611 Myott S. Sherman Street in Rockford and Jesse was working as a railroad postal clerk. They owned their own home and it was valued at $6,250.
Mabel died in 1971 and was buried in Willwood Cemetery.
Her funeral notice from the Chicago Tribune is as follows: "Services for Mrs. Mabel Clay, 81, of 2202 Logan Street, Rockford, will be held at 3 p.m. today in the chapel at 304 North 5th Avenue, Rockford. Mrs. Clay died Friday in a Rockford nursing home. Mrs. Clay, who was born in Chicago, spent most of her life in Rockford. She leaves her husband, Jesse; three grandsons; seven great-grandchildren; and a brother."