| 11 | born | June 20— 1794 | |
| 12 | " | November 25— 1794 | |
| 13 | " | February 5— 1795 | |
| 14 | " | February 17— 1796 | |
| 15 | " | March 26— 1797 | |
| 16 | " | April 7— 1797 | |
| 17 | " | September 27— 1798 | |
| 18 | " | February 25— 1799 | |
| 19 | " | April 3— 1799 | |
| 20 | " | April 14— 1799 | |
| 21 | " | June 23— 1799 | |
| 22 | " | November 22— 1799 | |
| 23 | " | January 14— 1800 | |
| 24 | " | April 10— 1801 | |
| 25 | " | June 14— 1801 | |
| 26 | " | March 14— 1802 | |
| 27 | " | July 7— 1803 | |
| 28 | " | January 16— 1804 |
Other contemporary sources as well as local birth records identify Spencer’s birthdate as 20 July 1794. (Nauvoo Fifth Ward High Priests Quorum, Minutes, 141; West Stockbridge, MA, Town Records, Births, Marriage Intentions, Deaths, ca. 1770–1840, vol. 1, p. 242, microfilm 250,299, U.S. and Canada Record Collection, FHL.)
Nauvoo Fifth Ward High Priests Quorum. Minutes, Dec. 1844–Apr. 1845. CHL. LR 3278 21.
U.S. and Canada Record Collection. FHL.