Nina was born at Rørhopen, Vågan, Nordland, Norway. Christened Nikoline Ingbordine Eilertsdatter, she was the second child of Eilert Andreas Sivertsen and Gunelia Petersdatter.
Nina came to the U.S. in 1903 and, as of 1910, lived as a housekeeper on the farm of a Norwegian immigrant, Carl Aasen, at Gate Creek, Lane County, Oregon. She soon married him, and the couple moved permanently onto a fruit farm at Corning, Richfield District, Tehama County, California. The following censuses track the couple, who remained childless:
1910: Living in Gate Creek, Lane, Oregon as Carl's housekeeper 1920: Living in Corning, Tehama, California with Carl. 1930: Living in Corning, Tehama, California with Carl. 1940: Living in Corning, Tehama, California with Carl.
Carl died at a hospital in Red Bluff, Tehama, California, at age 69 on December 9, 1941, two days after the Japanese attack on Pearl Harbor. In 1945, Nina left for Seattle, where she spent the rest of her life near Norwegian relatives.
Nina lived to a ripe old age, dying in a Seattle nursing home on Sunday, June 10, 1962. She was buried at Acacia Cemetery.
"Mrs. Carl Aasen - Mrs. Nina Aasen, 92, 13023 Greenwood Av. N., died Sunday in a nursing home. Funeral services will be held tomorrow at the Wiggen & Sons Funeral Home. Burial will be in Acacia.
"Mrs. Aasen was born in Norway. She came to Seattle in 1945 from Richfield, California. She had lived in the United States 55 years.
"Her husband, Carl Aasen, a fruit farmer, died in 1942 [note: incorrect; Carl died Dec. 9, 1941].
"Surviving are a sister, Mrs. Jonette Ellingson, Tacoma; three other sisters and a brother in Norway and several nieces."
Seattle Daily Times Seattle, Washington Tuesday, June 12, 1962 Page 46