 Birth | about 1838 41 |
 Death of a mother | Elizabeth Davis January 26, 1839 (Age 12 months) |
| Marriage of a parent | Moses Duncan — Nancy Nolan — View this family December 8, 1839 (Age 23 months) |
| Birth of a half-sister | Gracie Adaline Duncan October 1840 (Age 2 years) |
| Birth of a half-brother | William Riley Duncan March 4, 1842 (Age 4 years) |
| Birth of a half-sister | Katherine “Katie” Duncan February 1846 (Age 8 years) |
 Historical Event | Mexican-American War from 1846 to 1848 (Age 8 years)Note: The Mexican-American War was an armed conflict between the United States of America and the United Mexican States from 1846 to 1848 in the wake of the 1845 U.S. annexation of Texas, which Mexico considered part of its territory despite the 1836 Texas Revolution - http://en.wikipedia.org/wiki/Mexican%E2%80%93American_War |
| Death of a brother | Alfred Duncan before 1850 (Age 12 years) |
| Birth of a half-brother | Moses M Duncan about 1851 (Age 13 years) |
| Birth of a half-brother | Samuel Dunn “Sammie” Duncan about 1852 (Age 14 years) |
| Birth of a half-sister | Minerva J Duncan about 1854 (Age 16 years) |
| Historical Event | Influenza Epidemic between 1857 and 1859 (Age 19 years)Note: In 1857-1859, there was an extremely severe worldwide outbreak of influenza - http://www.flutrackers.com/forum/showthread.php?t=3884 |
| Death of a brother | Isaac Duncan about 1862 (Age 24 years) |
| Death of a half-brother | William Wilson Duncan March 19, 1862 (Age 24 years) Cause: Killed in Civil War |
| Death of a half-sister | Minerva J Duncan October 3, 1862 (Age 24 years) |
| Historical Event | American Civil War between April 1861 and May 1865 (Age 23 years)Note: In the spring of 1861, tensions between the northern and southern United States over issues including state's right versus federal authority, westward expansion and slavery exploded into the American Civil War - http://en.wikipedia.org/wiki/American_Civil_War |
| Historical Event | The Alaska Purchase 1867 (Age 29 years)Note: The Alaska Purchase was the purchase of 586,412 square miles of new territory by the United States from the Russian Empire (a bargain at two cents an acre) - http://en.wikipedia.org/wiki/Alaska_Purchase |
| Historical Event | Yellow Fever Epidemic 1867 (Age 29 years)Note: 3,093 perished from yellow fever in New Orleans - http://historyengine.richmond.edu/episodes/view/306 |
| Historical Event | Transcontinental Railroad completed 1869 (Age 31 years)Note: The First Transcontinental Railroad was a 1,907-mile contiguous railroad line constructed between 1863 and 1869 across the western United States to connect the Pacific coast with the existing Eastern U.S. rail network - http://en.wikipedia.org/wiki/First_Transcontinental_Railroad |
| Death of a half-sister | Nancy S “Nanna” Duncan January 1872 (Age 34 years) |
| Death of a half-sister | Susannah “Sucky” Duncan January 1872 (Age 34 years) |
| Death of a father | Moses Duncan January 16, 1872 (Age 34 years) |
| Historical Event | Yellow Fever Epidemic of 1878 1878 (Age 40 years)Note: Over 13,000 deaths occurred from yellow fever in lower Mississippi Valley - http://en.wikipedia.org/wiki/History_of_yellow_fever |
| Death of a half-sister | Sarah L Duncan about 1880 (Age 42 years) |
| Death of a half-sister | Elizabeth Ann Duncan about 1890 (Age 52 years) |
| Death of a sister | Telitha Cumile Duncan December 23, 1896 (Age 58 years) |
| Death of a half-brother | Elijah Frost “Lige” Duncan August 27, 1897 (Age 59 years) |
| Death of a half-brother | Moses M Duncan July 7, 1898 (Age 60 years) |
| Historical Event | Spanish-American War between April 1898 and August 1898 (Age 60 years)Note: The Spanish-American War was a conflict in 1898 between Spain and the United States, the result of American intervention in the Cuban War of Independence - http://en.wikipedia.org/wiki/Spanish%E2%80%93American_War |
| Death of a half-brother | Samuel Dunn “Sammie” Duncan about 1899 (Age 61 years) |
| Death of a brother | Thomas L “Devil Tom” Duncan January 28, 1906 (Age 68 years) |
| Death of a half-brother | William Riley Duncan April 9, 1908 (Age 70 years) |
| Historical Event | Polio Epidemic 1916 (Age 78 years)Note: Over 7,000 deaths and 27,363 cases reported in America's worst polio (infantile paralysis) epidemic - http://goo.gl/ZBEQA1 |
| Historical Event | World War I between 1917 and November 1918 (Age 79 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 80 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/ |
| Historical Event | The Great Depression October 1929 (Age 91 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 |
| Historical Event | World War II between December 1941 and August 1945 (Age 103 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 |
| Historical Event | Vietnam War between 1946 and 1975 (Age 108 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 | unknown |