| Family 1 |
Dr. John O'Kill Hancock, b. 4 Jul 1791, of Maryland City, Anne Arundel County, Maryland, United States  d. 28 Oct 1839, Eastern District, Grant County, Wisconsin, United States (Age 48 years) |
| Children |
| | 1. Samuel Fairfax Hancock, b. 11 Sep 1822 d. 15 Aug 1837, Platteville, Grant County, Wisconsin, United States (Age 14 years) |
| | 2. John Thomas Hancock, b. 12 Nov 1824, Lebanon Twp, St Clair County, Illinois, United States d. 13 Aug 1894 (Age 69 years) |
| | 3. Ellen Hancock, b. 2 Jan 1827, Belleville, St Clair County, Illinois, United States d. 15 Feb 1903, Grant County, Wisconsin, United States (Age 76 years) |
| | 4. James Roundtree Hancock, b. 1 Aug 1829, Illinois, United States d. 27 Dec 1849, Platteville, Grant County, Wisconsin, United States (Age 20 years) |
| | 5. Granville Neal Hancock, b. 16 Feb 1831, Illinois, United States d. 17 Feb 1889, Iowa, United States (Age 58 years) |
| | 6. Frank Thomas Hancock, b. 7 Dec 1834, Illinois, United States d. 2 Mar 1864, Platteville, Grant County, Wisconsin, United States (Age 29 years) |
| | 7. Mary E. O. Hancock, b. 10 Jan 1840, Platteville, Grant County, Wisconsin, United States d. 15 Oct 1858, Platteville, Grant County, Wisconsin, United States (Age 18 years) |
|
1805 - 1858 (53 years)
