Eva Carolyn Olson was born on Jan 25, 1884 in Teien, Kittson County, Minnesota, to parents Stephen Olson (1829-1891), and Ingrid Bachman (1840-1920), both born in Sweden.

Eva was the 11th child in a family of 12 known children. Her brothers and sisters were:
Ole (Soren Olaf) Olson, born in Sweden (1859-1940),
Emeline Emma (Ingeborg) Olson-Fertig, born in Sweden (1861-1948),
Mary/Maria S. Olson-Goar, born in Sweden (1864-1947),
Ingrin Olson, born in Sweden (1867-1891),
Martha Olson, born in Iowa (1870-1923),
John Eric (Johan Erik) Olson, born in Iowa (1874-1958),
Louis (Lars Johan) Olson, born in Iowa (1876-1956),
Peter Olson, born in Iowa (1878-1879),
Annie Christine Olson-McDearmon, born in Iowa (1880-1926),
Ida H. Olson-Davidson, born in Minnesota (1881-1957),
Bebe Olson, born in Minnesota (1885-died in infancy).

On Feb 6, 1905 in Hallock, Kittson County, Minnesota, Eva married Edwin John Felt (1876-1919), born in Michigan. Edwin was a son of John Felt/Faltstrom (1849-1913), and Carolina Erickson (1842-1927), both born in Sweden.

After their marriage, Edwin and Eva lived in Teien, Minnesota for a short time and then moved to North Dakota, settling in Drayton. This couple had seven children:
Irvin Alford Felt (1905-1988),
John E. Felt (1907-1978),
Irene Evelyn Felt-Hvidsten (1910-1972),
Dorothy Cordelia Felt-Anderson (1912-1991),
Jean Edith Felt (1914-1978),
Rodney Felt (1918-1918), and
Sheldon Harrison Felt (1920-1986).

On Jul 6, 1919, while celebrating his daughter's birthday, Edwin tragically died by drowning in the Two Rivers at Hallock, Kittson County, Minnesota. Eva remained in Drayton raising their children. On Aug 20, 1960, she died in the Drayton Hospital. Both Eva and Edwin are buried in Drayton City Cemetery.