| SIGBERT, Agnes | B. 930 | |||
| SIGEFERTH, UNK | ||||
| SIGEFUGEL, UNK Mrs. | ||||
| SIGEGEAT | ||||
| SIGIBERT, Gibert | ||||
| SIGMUNDSSON, Sigurd 'Fafnisbana' | B. Abt 730 | |||
| SIGRIDSSON, Peter Archbishop | ||||
| SIGURD | B. Abt 930 | |||
| SIGURDSDOTTIR, Aslaug Or Kraka | B. Abt 760 | D. Dec 783 | ||
| SIGURDSDOTTIR, Gunnhild | ||||
| SIGURDSDOTTIR, Ingrid | ||||
| SIGURDSSDOTTIR, Ranghild | B. 840 | D. Abt 845 | ||
| SIGURDSSON, Guthorm | ||||
| SIGURDSSON, Halfdan | ||||
| SIGURDSSON, Halfdan | B. 995 |
| SIGURDSSON, Viking-Kari | ||||
| SILURIA, Bran Fendigaid 'The Blessed' King of | B. Abt 0020 B.C. | D. Aft 36 | ||
| SILURIA, Branwen of | ||||
| SILURIA, Eurgain UNK Mrs. Cyllin of | ||||
| SILURIA, St. Cyllin 1st King of Ewyas King of | D. Abt 99 | |||
| SILVA, Martim Gomes da | ||||
| SILVA, Mistress Aldonca Martins da | ||||
| SIMMONS, Beatrice | ||||
| SIMMONS, Lena Evelyn | B. 16 Jun 1877 | D. 2 Mar 1973 | ||
| SIMON, Sophia Maria Caroline | B. 1820 | D. 1895 | ||
| SIMPSON, Alice | B. 1582 | |||
| SIMPSON, Sarah | B. 27 Aug 1754 | |||
| SIMPSON, Wallis Warfield | ||||
| SINAAR, Lomna bint | D. 2004 B.C. | |||
| SINCLAIR, Agnes | D. 6 Nov 1619 |
| SINCLAIR, Beatrice | ||||
| SINCLAIR, Eleanor | ||||
| SINCLAIR, George 4th Earl of Caithness | ||||
| SINCLAIR, George 5th Earl of Caithness | B. 1566 | D. Feb 1642/43 | ||
| SINCLAIR, Henry 1st Earl of Orkney | ||||
| SINCLAIR, Henry 2nd Earl of Orkney | D. 1420 | |||
| SINCLAIR, Isabel | ||||
| SINCLAIR, Janet Heiress of Northrig | ||||
| SINCLAIR, John | D. 1330 | |||
| SINCLAIR, Lady Elizabeth | B. Abt 1575 | D. Abt 1654 | ||
| SINCLAIR, Margaret | ||||
| SINCLAIR, Sir Henry | B. 1260 | D. Bef 28 Jan 1336 | ||
| SINCLAIR, Sir John | ||||
| SINCLAIR, William | B. 1283 | D. 25 Aug 1330 | ||
| SINCLAIR, William 1st Earl of Caithness | B. 1410 | D. 1480 |
| SINCLAIR, William of Westerhall | ||||
| SINCLAIRE, Jane | B. 1470 | |||
| SINGLETARY, Hannah | B. 23 May 1685 | D. 25 Dec 1753 | ||
| SINGLETON, Matilda de | B. 1158 | D. 1219 | ||
| SINKLER, Sarah | B. 1700 | D. 1746 | ||
| SINNOTT, Grace May | B. 6 Jul 1860 | D. 10 Feb 1897 | ||
| SISK, Joan C. | ||||
| SISTER, Azura | ||||
| SITRICSSON, Edgyth UNK Mrs. Harald | B. 930 | D. 1035 | ||
| SITRICSSON, Harald | B. 925 | D. 940 | ||
| SIWARD, Elfeda UNK Mrs. Walroef OR | B. Abt 965 | |||
| SKAKKE, Erling | D. 19 Jun 1179 | |||
| SKAKKE, UNK Concubine of Erling | ||||
| SKALDSPILLER, Eyvind Finnsson | ||||
| SKANE, Guoroor King of |