Fitch. Used as a variant for Fitz Patrick and Fitz Simons, which see, in Co. Down in the south - east of the Ulster Province.

Fitton. English origins into Ireland in the 13th Century AD, but some also came later in the 16th Century AD and supported James 11 the Catholic English King against the William of Orange Invasion.

Fitz Dermot - Irish / Mheic Giolla Mo Cholmog. Heremonian Ui Laoghaire Ui Lughaidh Cu Corb Ui Dunchada Sept / Family branch who had their territory in Co. Dublin and Co. Kildare in Southern Leinster who took up a Norman version of Mac.

Fitzelle. Norman origins in Co. Antrim in the north - east of the Ulster Province in the 17th Century AD after the confiscation of the Heremonian Dal Cuinn 3,500,000 acres there and the foreign non - Catholic plantations there. Also used for Fizzel, which see, in Co. Kerry in the south - west of Western Munster.

Fitz Gerald or Fitz Girald / Geradini - Italian Norman origins. Gaelicized as Mac Gerailt (Descended from a son of Gerald) They came with the Anglo - Norman Invasion in the 12th Century AD and formed into two main branches, Desmond / Des Mhumhain / Southern Munster in Co. Cork, Co. Limerick and Co. Kerry as the Knights of Kerry and the Knights of Glin, and the English Earls of Kildare in Co. Kildare in Central Southern Leinster who both took turns at controlling Ireland for the English Kings until 1537 AD when they were first obliterated by Henry V111, and then Elizabeth 1st as 32 of them were then either executed or Attainted (Off with their Heads).  (One of the interesting Fitz Gerald women was to be Catherine Fitz Gerald the Countess of Desmond / Southern Munster, who was originally from Dromna in Co. Waterford in the south - east of the Munster Province, who was to be married to the future 12th Earl of Desmond and she was to be able to somehow manage to survive the reign of 9 English Kings, and had also previously danced with Richard 111).

Fitz Gerlad -

Fitz Gerot or Gerrot -

Fitz Gibbon. Anglo - Norman origins who were a branch of the de Burghs through the Burkes, which see, who had their Estates in Co. Mayo in the mid - west of the Connacht Province.

Fitz Harris or Fitz Henry in Co. Wexford in the south - east of Southern Leinster.

Fitz Henry. Norman origins. Gaelicized as Mheic Einri / Mac Henry in the Connacht Province who were descended from Myler Fitz Henry an Anglo - Norman Baron who was subject to Hugh de Lacy during the 1172 Anglo Norman Invasion by Henry 11 with their Estates at Magherneran Rathkevin and Athinorker / Ardnurcher in Midhe in Northern Leinster. See also Fitz Harris and Henry.

Fitz James -

Fitz John -

Fitz Leonard -

Fitz Leons or Fitz Lions -

Fitz Maurice or Fitz Moris or Fitz Morish or Fitz Morys. A branch of the Fitz Geralds, which see, who were the Anglo - Irish Lords of Lixnaw who had their Estates in Co. Kerry in the south - west of Iar Mhumhain / South Western Munster. Gaelicized as Mac Muiris. They stood out in the resistance to the ethnic and religious oppression of Elizabeth 1st in the 16th Century AD.

Fitz Maurice. English origins a branch of the anglo Norman Prendergasts, which see, who had their Estates in Co. Mayo in the mid - west of the Connacht Province.

Fitz Patrick - Irish / Mheic Giolla Phadraig (Descended from 114.Donough / Donnchadh a son of 113.Giolla Padraig (The servant of St. Patrick) Heremonian Ui Laoghaire Ui Connla Sept / Family branch who were the Kings of Upper Ossory in Co. Kilkenny in the south - west of Southern Leinster who were originally known as Gil Patrick, which is their correct Irish name. Due to their proximity to the English Pale around Dublin in Co. Dublin in the north - east of Southern Leinster they came to use the French term "fils" for son, which was expressed by the Normans as "Fitz" instead. In the 10th Century AD as the Kings of Ossory in their kingdom of Upper Ossory they controlled parts of Co. Laois as well as Co. Kilkenny. In the16th Century AD the leading Sept accepted the English title of Lord Baron of Upper Ossory from Henry VIII and became non - Catholic, which enabled them to hold onto most of their territory there until the 19th Century AD. Ancestors: *60.Laoghaire Lorc the 68th King of Tara / Erinn through 77.Breasal Breac the father of 78.Connla who inherited the south from him with the territory there extending from the River Barrow to the sea. Later his descendant 87.Angus / Aonghus Osruighe became the direct male line ancestor of the aristocratic Gaelic Milesian Kings of Ossory who were also based on the original Fir Bolg tribe there. 78.Connla's brother, 78.Lewy / Ui Lughaidh also became the direct male line ancestor of the Heremonian Ui Laoghaire Cu Corb Ui Dunlainge and Ui Cheinnselaig Kings of Leinster, as their father also gave him the territory on the north side of the River Barrow from Drogheda in Co. Louth in the north - east of Northern Leinster down to Co. Wicklow in the south - east of Southern Leinster. They were to eventually lose their territory in Co. Kilkenny / Ossory after the Anglo - Norman Invasion in the 12th Century AD.

Fitz Patrick. They were in the Heremonian Dal Cuinn Ui Breifne kingdom of East Breifne in Co. Cavan in Southern Ulster and were a Sept / Family branch of the Fitz Patricks in the kingdom of Ossory in Co. Kilkenny in Southern Leinster.

Fitz Patrick. Heremonian Dal Cuinn Colla Da Crioch Sept / Family branch of the Maguires, which see, who had their territory in Co. Fermanagh in the south - west of the Ulster Province. Ancestors: 88.Murray / Muireadach Colla da Crioch - Champion of the Two Countries, 87.Eochy / Echu Doimhlen, *86.Cairbre Liffeachair - of the Liffey the 117th King of Tara / Ireland.

Fitz Phillip -

Fitz Pillys -