| Family Name | Source of Relationship |
|---|---|
| Fanning | A Co. Monaghan, Ireland family with a DNA connection to me and my extended family. |
| Farrelly | There are currently two known Farrelly families that have DNA connections to me. |
| Fascenelli | Related through my great, great uncle Henry McCabe of Dunleer area of Co. Louth. |
| Feketics | Related thru my great, great grandparents Dennis and Mary (nee Vale/Veal/Veale) Murphy. |
| Finnegan | There are several Finnegan families related to me, some thru marriage, some thru DNA testing. |
| Fitzgerald | A Co. Kerry, Ireland Fitzgerald family, with at least one descendant with a DNA connection to me. |
| Flaherty | Related through my 2x great aunt and uncle, Margaret (nee Murphy) and John McCabe. |
| Flanagan | One family related through DNA. One family probably related through my Ebbitt Family Connection. |
| Flicker | Related through Alice McCabe, daughter of James and Catherine (nee Morrissey) McCabe. |
| Flinn/Flynn | I have several possible Flynn/Flinn families connected to my McCabe family. |
| Ford | Related through my Jecker family. |
| Fowler | Related through the family of my great aunt Mary (nee O'Brien) Murphy. |
| Fynes | Related through my great uncle John Kernan's family. |