| Birth | October 1864 |
| Immigration | 1884 (Age 19 years) |
| Marriage | Pauline C “Lena” Peterson — View this family about 1887 (Age 22 years) |
| Birth of a daughter #1 | Sella M Olsen September 1888 (Age 23 years) |
| Birth of a son #2 | Obie E Olsen January 12, 1890 (Age 25 years) |
| Birth of a daughter #3 | Midred Olsen June 1892 (Age 27 years) |
| Birth of a son #4 | Carl E Olsen July 1894 (Age 29 years) |
| Birth of a son #5 | Paul H Olsen February 1896 (Age 31 years) |
| Birth of a daughter #6 | Evelyn Olsen January 1898 (Age 33 years) |
| Death of a wife | Pauline C “Lena” Peterson before 1920 (Age 55 years) |
| Residence | about 1930 (Age 65 years) |
| Death of a son | Obie E Olsen April 9, 1932 (Age 67 years) |
| Residence | about 1940 (Age 75 years) Address: Bethesda Home For The Aged |
| Death | December 1945 (Age 81 years) Note: Possible burial in Fergus Falls at Oak Grove Cemetary. Grave lists 1866 birthdate.
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