| # |
Last Name, Given Name(s)  |
Person ID |
Born/Christened  |
Location |
| 1 |
 F | I9642 | | |
| 2 |
King of Leinster Faelain Maccolmain | I2592 | b. 590 | |
| 3 |
King of Leinster Faelain Macmurchada | I2588 | b. 712 | |
| 4 |
Fafertach | I10012 | b. 620 | |
| 5 |
King of Ireland Faildeargdoid | I4443 | b. 1360 BC | |
| 6 |
Fastrada of Quentin | I8247 | | |
| 7 |
Fathochta | I9985 | | |
| 8 |
King of Ireland Fearcorb | I4422 | b. 526 BC | |
| 9 |
High King of Ireland Fearghus Dubdetach | I9372 | b. Abt 170 | Ulster, , Ireland  |
| 10 |
King of Gothia Febric Glas | I4310 | b. 2133 BC | |
| 11 |
King of Ancient scotland Fedelmid | I4236 | b. 264 | |
| 12 |
King of Ancient scotland Fedelmid Aislingich | I4234 | b. 312 | |
| 13 |
Fedelmid Fortren Macferguis of Ireland | I4390 | b. 400 BC | |
| 14 |
Fedelmid mac Fiachrach | I9413 | b. Abt 390 | Airther, Oriel, Ireland |
| 15 |
King of Ireland Fedelmid Rechtmar | I4342 | b. 0070 | |
| 16 |
Fedlim Foltchain Nicbrien of Connacht | I4363 | b. 450 | |
| 17 |
Fer Ap Confer of Alclud | I4462 | b. 260 | |
| 18 |
King of Munster Fer Corb | I5131 | b. 220 | |
| 19 |
Feradach of Scots | I3750 | | |
| 20 |
Feradach Culdub mac Amalgaid | I9409 | b. Abt 555 | Airther, Oriel, Ireland |
| 21 |
Feradach Macailill O'Haongus of Ancient Scotland | I4263 | b. 360 BC | |
| 22 |
King of Scots Ferchar Fota | I3751 | | |
| 23 |
King of Scots Ferchar Macconnad | I3754 | | |
| 24 |
King of Castile Ferdinand III | I813 | b. 1199 | Castile, Spain |
| 25 |
King of Ireland Feredach Fionn-Feachtnach | I4345 | b. 0010 | |
| 26 |
Fergus | I16142 | | |
| 27 |
Fergus | I16134 | | |
| 28 |
Fergus of Scots | I3749 | | |
| 29 |
Lord of Galloway Fergus | I3566 | b. 1058 | Carrick, Argyll, Scotland, United Kingdom |
| 30 |
Fergus Altleathan | I16147 | | |
| 31 |
Fergus Fairce Macnuadu of Ireland | I5085 | b. 167 BC | |
| 32 |
King of Ireland Fergus Fortamail | I4391 | b. 454 BC | |
| 33 |
Fergus mac Aedan | I9385 | b. Abt 615 | Ulster, , Ireland |
| 34 |
Fergus mac Conall | I9528 | b. Abt 455 | , , , Ireland |
| 35 |
King of Scots Fergus Maceochaid | I3770 | | |
| 36 |
King of Ancient Scotland Fergus Macferadach | I4262 | b. 345 BC | |
| 37 |
Fergus Macmuiredeach of Connacht | I5107 | b. 480 | |
| 38 |
Fergus Macrogallach of Connacht | I5102 | b. 620 | |
| 39 |
King of Scots Fergus Mor Macerc | I2075 | b. 430 | Dalriada, Argyll, Scotland, United Kingdom |
| 40 |
Fernando Alfonso of Leon | I8219 | | |
| 41 |
Fernando Alfonso of Leon | I8232 | b. 1211 | |
| 42 |
Archdean of Santiago Fernando Alfonso | I8234 | b. 1215 | Salamanca, Spain |
| 43 |
King of Castile Ferninand II | I905 | b. 1137 | , , , Spain |
| 44 |
Ferreolos of Rome | I4730 | b. 390 | Rome, , Lazio, Italy |
| 45 |
Fetjuir of Troy | I4508 | b. 1275 BC | |
| 46 |
Ffrwdwr Ap Gwrfawr of Dumnonia | I4976 | b. 432 | |
| 47 |
Fiacha | I16140 | | |
| 48 |
King of Ireland Fiacha Labhrainn | I4290 | b. 1510 BC | |
| 49 |
King of Ireland Fiacha Scrabhtaine | I4367 | b. 235 | |
| 50 |
King of Ireland Fiacha Tolgrach | I4278 | b. 895 BC | |
