 Birth | November 20, 1898 23 21 |
 Census | June 19, 1900 (Age 18 months) |
 Birth of a brother | Stahle Hartman Leonard November 20, 1900 (Age 2 years) |
| Death of a paternal grandmother | Sarah Lilly Shemwell January 30, 1903 (Age 4 years) |
| Birth of a sister | Thelma O Leonard August 31, 1903 (Age 4 years) |
| Death of a paternal grandfather | Joseph Bentley Leonard October 4, 1904 (Age 5 years) |
| Birth of a brother | Walter James Leonard Jr. January 12, 1905 (Age 6 years) |
| Birth of a brother | Arthur Gregory Leonard February 10, 1907 (Age 8 years) |
| Birth of a sister | Mary Helen Leonard January 16, 1910 (Age 11 years) |
| Census | May 3, 1910 (Age 11 years) |
| Death of a maternal grandmother | Malinda Clementine Earnhardt October 8, 1913 (Age 14 years) |
| Birth of a brother | Rupert Alexander Leonard March 15, 1915 (Age 16 years) |
 Historical Event | Polio Epidemic 1916 (Age 17 years)Note: Over 7,000 deaths and 27,363 cases reported in America's worst polio (infantile paralysis) epidemic - http://goo.gl/ZBEQA1 |
| Death of a maternal grandfather | Pinkney Alexander Hartman August 17, 1917 (Age 18 years) |
| Historical Event | World War I between 1917 and November 1918 (Age 18 years)Note: The United States enters 'The Great War' where more than nine million combatants were killed- http://en.wikipedia.org/wiki/World_War_I |
| Historical Event | Spanish Influenza Epidemic 1918 (Age 19 years)Note: Spanish Influenza killed over 500,000 people in the United States, and somewhere between 20 and 40 million in what has been cited as the most devastating epidemic in history - http://virus.stanford.edu/uda/ |
| Census | January 21, 1920 (Age 21 years) |
| Birth of a brother | William Edwin Leonard November 15, 1923 (Age 24 years) |
 Marriage | Ernest Alexander Agner — View this family June 14, 1924 (Age 25 years) |
| Birth of a daughter #1 | Evelyn Danay Agner August 20, 1925 (Age 26 years) |
| Birth of a daughter #2 | Jean Annette Agner April 28, 1928 (Age 29 years) |
| Death of a mother | Annie Lousetta Hartman July 10, 1928 (Age 29 years) |
| Historical Event | The Great Depression October 1929 (Age 30 years)Note: The Wall Street Crash sets off the Great Depression, the most severe worldwide economic depression in the 20th century - http://en.wikipedia.org/wiki/Great_Depression |
| Census | April 5, 1930 (Age 31 years) |
| Census | April 2, 1940 (Age 41 years) |
| Historical Event | World War II between December 1941 and August 1945 (Age 43 years)Note: The United States enters World War II after the attack at Pearl Harbor, a global war that involved the vast majority of the world's nations and including all of the great powers - http://en.wikipedia.org/wiki/World_War_II |
| Death of a sister | Thelma O Leonard April 2, 1950 (Age 51 years) |
| Historical Event | Korean War between 1950 and 1953 (Age 51 years)Note: The Korean War was a war between the Republic of Korea (South Korea), supported by the United Nations, and the Democratic People's Republic of Korea (North Korea), at one time supported by the People's Republic of China and the Soviet Union - http://en.wikipedia.org/wiki/Korean_War |
| Death of a father | Walter James Leonard August 25, 1956 (Age 57 years) |
| Death of a brother | Stahle Hartman Leonard March 3, 1965 (Age 66 years) |
| Death of a brother | Rupert Alexander Leonard July 8, 1971 (Age 72 years) |
| Historical Event | Vietnam War between 1946 and 1975 (Age 47 years)Note: The Vietnam War was a long, costly armed conflict that pitted the communist regime of North Vietnam and its southern allies, known as the Viet Cong, against South Vietnam and its principal ally, the United States. The divisive war, increasingly unpopular at home, ended with the withdrawal of U.S. forces in 1973 and the unification of Vietnam under Communist control two years later. More than 3 million people, including 58,000 Americans, were killed in the conflict. - http://en.wikipedia.org/wiki/Vietnam_War |
| Death of a sister | Mary Helen Leonard October 14, 1978 (Age 79 years) |
| Death of a brother | Walter James Leonard Jr. January 31, 1981 (Age 82 years) |
| Death of a brother | Arthur Gregory Leonard June 8, 1986 (Age 87 years) |
 Death | October 9, 1989 (Age 90 years) |
 Burial | Cemetery - also add to Place of burial: Union Lutheran Church Cemetery |