| # |
Last Name, Given Name(s)  |
Person ID |
Born/Christened  |
Location |
Tree | Branch |
| 1 |
 CREWITT, Isaac Dorland | I2524 | b. 1 Jul 1841 | Paradise Furnace, Huntingdon, Pennsylvania  | Zentmeyer Main Tree |
| 2 |
DORLAND, Isaac Jr. | I3634 | b. 1758 | Smithfield (now Somerton) Pennsylvania | Zentmeyer Main Tree |
| 3 |
GATES, Isaac | I2748 | b. 7 Sep 1818 | Berks, Pennsylvania | Zentmeyer Main Tree |
| 4 |
HOBART, Isaac | I3522 | b. 15 Feb 1757 | Hollis, Hillsbrough, New Hampshire | Zentmeyer Main Tree |
| 5 |
HOBART, Isaac Newton | I1887 | b. 10 Jan 1835 | Fountain Green, Hancock, Illinois | Zentmeyer Main Tree |
| 6 |
HOBART, Isaac | I2845 | b. 17 Mar 1776 | Groton, Grafton, New Hampshire | Zentmeyer Main Tree |
| 7 |
NEWHOUSE, Isaac A. | I87194 | b. 17 Dec 1850 | Rushville, Rush, Indiana | Zentmeyer Main Tree |
| 8 |
PALMER, Isaac L | I2397 | | | Zentmeyer Main Tree |
| 9 |
REGER, Isaac | I2024 | b. 19 Aug 1782 | Hampshire, Virginia (now West Virginia) | Zentmeyer Main Tree |
| 10 |
SANTMYER, Isaac Benton | I0119 | b. Nov 1878 | Pennsylvania | Zentmeyer Main Tree | Descendants of Jacob Santmyer |
| 11 |
SANTMYERS, Isaac F. | I1142 | b. 1841 | Warren Co., Virginia | Zentmeyer Main Tree | Descendants of Jacob Santmyer |
| 12 |
STRAHORN, Isaac S. | I327 | b. 8 Apr 1843 | New Garden, Chester, Pennsylvania | Zentmeyer Main Tree |
| 13 |
STRAHORN, Isaac Wilbur | I1122 | b. 30 Nov 1882 | Fair Hill, Cecil, Maryland | Zentmeyer Main Tree |
| 14 |
ZENTMYER, Isaac | I1846 | b. 20 Nov 1788 | Cumberland Twp, York Co., Pennsylvania | Zentmeyer Main Tree |
| 15 |
ZENTMYER, Isaac | I1823 | b. 25 Mar 1840 | Warwick Twp., Lancaster Co., Pennsylvania | Zentmeyer Main Tree |
| 16 |
ZENTMYER, Isaac Enck | I2057 | b. Apr 1822 | Lancaster Co., Pennsylvania | Zentmeyer Main Tree |
| 17 |
ZENTMYER, Isaac Enck | I1365 | b. 30 Sep 1881 | Philadelphia, Philadelphia, Pennsylvania | Zentmeyer Main Tree |
| 18 |
ZENTMYER, Isaac Newton (Burns) | I2213 | b. 30 Jan 1880 | Franklin Co., Pennsylvania | Zentmeyer Main Tree |
