 Birth | about 1765 Note: Birth year/place based on 1830 Census |
 Historical Event | Influenza Epidemic between 1775 and 1776 (Age 10 years)Note: In 1775, there was an epidemic of unknown cause in North America (especially New England,) followed in 1775-1776 by what is described as one of the worst worldwide influenza epidemics - http://en.wikipedia.org/wiki/List_of_epidemics |
| Historical Event | The American Revolution from 1775 to 1783 (Age 10 years)Note: The Thirteen American Colonies broke from the British Empire and formed the independent nation, the United States of America - http://en.wikipedia.org/wiki/American_Revolution |
 Marriage | Mrs Thomas Duncan — View this family about 1797 (Age 32 years) Note: Marriage info based on the birth of their first child |
| Historical Event | Yellow Fever Epidemic between 1793 and 1798 (Age 28 years)Note: More than 4,000 Philadelphia residents died from yellow fever - http://en.wikipedia.org/wiki/Yellow_Fever_Epidemic_of_1793 |
 Birth of a son#1 | Benjamin Duncan about 1798 (Age 33 years) |
| Birth of a son #2 | Philip Duncan about 1800 (Age 35 years) |
| Historical Event | The Louisiana Purchase 1803 (Age 38 years)Note: Napoleon Bonaparte agrees to sell 828,000 square miles of land to the United States for $15 million - http://en.wikipedia.org/wiki/Louisiana_Purchase |
| Historical Event | War of 1812 between 1812 and 1815 (Age 47 years)Note: War of 1812 between the Americans and the British. The Creek (or Red Stick) War in Alabama had different origins, but it coincided with the war of 1812, and the U.S. treated it as a part of the larger war, with Jackson and his forces also in charge of defeating the Creeks - http://en.wikipedia.org/wiki/War_of_1812 |
| Marriage of a child | Philip Duncan — Mary Elizabeth Crawford — View this family October 25, 1821 (Age 56 years) |
| Marriage of a child | Benjamin Duncan — Vita “Lucy” Fortner — View this family December 25, 1821 (Age 56 years) |
| Birth of a granddaughter #1 | Harriet Duncan October 25, 1823 (Age 58 years) |
| Birth of a granddaughter #2 | Anna E Duncan December 1826 (Age 61 years) |
| Birth of a granddaughter #3 | Eliza Duncan about 1827 (Age 62 years) Note: Birth place/year based on 1850 Census |
| Birth of a granddaughter #4 | Daisy Duncan about 1828 (Age 63 years) Note: Birth year/place based on 1850 Census |
| Birth of a grandson #5 | Ganum Duncan March 14, 1828 (Age 63 years) |
| Birth of a grandson #6 | John Arthur Bryan Duncan November 11, 1828 (Age 63 years) |
| Birth of a grandson #7 | Cannon Duncan March 12, 1830 (Age 65 years) |
 Census | June 1, 1830 (Age 65 years) |
| Birth of a granddaughter #8 | Sarah Elizabeth Duncan about 1832 (Age 67 years) Note: Birth year/place based on 1850 Census |
| Historical Event | Cholera Epidemic 1832 (Age 67 years)Note: Cholera killed 4,340 people in New Orleans & over 3,000 in New York City - http://en.wikipedia.org/wiki/Cholera_outbreaks_and_pandemics |
| Birth of a grandson #9 | Isaac Duncan 1833 (Age 68 years) |
| Birth of a grandson #10 | Thomas F Duncan about 1833 (Age 68 years) Note: Birth place/year based on 1850 Census |
| Birth of a granddaughter #11 | Rachel Amanda Duncan February 1, 1835 (Age 70 years) |
| Historical Event | The Texas Revolution between October 1835 and April 1836 (Age 70 years)Note: The Texas Revolution (or Texas War of Independence) was fought from October 2, 1835 to April 21, 1836 between Mexico and the Texas (Tejas) portion of the Mexican state of Coahuila y Tejas. The Texas Revolution erupted in 1836, after Texas declared its independence from Mexico. Mexico responded by invading Texas, where General Santa Anna won decisive victories in the battles of the Alamo and Goliad. The war ended at the Battle of San Jacinto (about 20 miles) east of modern day downtown Houston) where General Sam Houston led the Texas Army to victory in 18 minutes over a portion of the Mexican Army under Santa Anna, who was captured shortly after the battle. The conclusion of the war resulted in the creation of the Republic of Texas - http://en.wikipedia.org/wiki/Texas_Revolution |
| Birth of a grandson #12 | Wiley Duncan about 1836 (Age 71 years) Note: Birth date/place based on 1850 Census |
| Birth of a granddaughter #13 | Nancy Jane Duncan May 9, 1838 (Age 73 years) |
| Birth of a granddaughter #14 | Cynthia Duncan about 1838 (Age 73 years) Note: Birth place/year based on 1850 Census |
| Birth of a grandson #15 | Pharoah Duncan about 1840 (Age 75 years) Note: Birth year/place based on Census and Military Records |
| Birth of a granddaughter #16 | Artalissa Duncan about 1841 (Age 76 years) Note: Birth year/place based on 1850 census |
| Birth of a grandson #17 | Jasper Duncan March 2, 1841 (Age 76 years) |
| Birth of a granddaughter #18 | Martha Elizabeth Duncan June 2, 1842 (Age 77 years) |
| Birth of a granddaughter #19 | Minerva Duncan about 1844 (Age 79 years) Note: Birth place/year based on 1850 Census |
| Death of a son | Philip Duncan about 1845 (Age 80 years) Note: Died before 1850 Census |
 Death | before November 3, 1845 (Age 80 years) |
 Property | Divestiture of Interest in Thomas Duncan Land Deed: Philip Duncan to Benjamin Duncan November 3, 1845 |