| Birth | about 1890 26 20 |
| Birth of a sister | Lillian Josephine “Lillie” Olson March 1890 |
| Birth of a brother | Sanford Gerhard Olson December 10, 1892 (Age 2 years) |
| Death of a brother | Sanford Gerhard Olson 1893 (Age 3 years) |
| Birth of a brother | Sanford Olson February 3, 1895 (Age 5 years) |
| Death of a brother | Sanford Olson February 3, 1895 (Age 5 years) |
| Birth of a sister | Grace Bernice Olson February 21, 1896 (Age 6 years) |
| Birth of a brother | Lloyd Bernum Olson March 13, 1899 (Age 9 years) |
| Death of a paternal grandfather | Sigvald Johan Olson 1899 (Age 9 years) |
| Death of a paternal grandmother | Gunvor Gunvaldsdatter 1899 (Age 9 years) |
| Birth of a sister | Devina Lucile Olson February 18, 1901 (Age 11 years) |
| Birth of a brother | Manford Raymond Olson October 9, 1903 (Age 13 years) |
| Birth of a brother | Clayton LeRoy Olson October 1, 1905 (Age 15 years) |
| Death of a mother | Caroline Gulliksdatter “Carrie” Beckjorden June 29, 1908 (Age 18 years) |
| Death of a maternal grandmother | Berthe Johanne Marie Clemetsdatter May 17, 1915 (Age 25 years) |
| Death of a sister | Lillian Josephine “Lillie” Olson November 21, 1915 (Age 25 years) |
| Death of a father | Peter Lawrence Olson February 14, 1919 (Age 29 years) |
| Death of a sister | Devina Lucile Olson February 24, 1961 (Age 71 years) |
| Death of a brother | Lloyd Bernum Olson March 20, 1961 (Age 71 years) |
| Death of a brother | Clayton LeRoy Olson May 2, 1964 (Age 74 years) |
| Death of a sister | Grace Bernice Olson February 13, 1977 (Age 87 years) |
| Death of a brother | Manford Raymond Olson May 17, 1999 (Age 109 years) Note: Closer family suggests it might be New Hope and not Rockford. He may have lived in Rockford and died in a care center in New Hope.
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| Death | yes |