O Summaghan - Scythes
O Summaghan or O Summers. See O Somahan.
O Summerly. Used as a variant for O Somahan - Irish / Ua Somachain, which see, in the Connacht Province with some there also changing to Somerville in Co. Galway.
Summers. Especially see Mac Govern.
Sunderland - English toponymic origins from Yorkshire in England in the early 18th Century AD into Co. Wexford in the south - east of Southern Leinster where it was also used as a synonym with Sutherland, which see.
Supple / Suipeal / de la Chapple with Strongbow / Richard de Clare during the Anglo - Norman Invasion in 1169 AD and were in Co. Cork in Southern Munster and nearby in Co. Limerick in the mid - north - west of the Munster Province.
Surgenor. English occupational name in the Ulster Province since the 17th Century AD after the English confiscation of the 3,500,000 acres of the Heremonian Ui Cobhthaigh Ui Felim Dal Cuinn "northern" Ui Niaill territories there and the foreign non - Catholic plantations there.
Surtill. Used as a variant for Shortall, which see.
Sutor or Sutter. See Soutar.
Sutton or Sotton / de Sutun. May be of Irish toponymic origins. They have been in Co. Kildare in Central Southern Leinster and nearby in Co. Wexford in the south - east of Southern Leinster since the 13th Century AD.
Swan. See Mac Swayne.
Swanton. English toponymic origins in the west of Co. Cork in Southern Munster in the 17th Century AD and were to be found among the "Wild Geese."
Swarth -
Swayne - swein (servant). Norse English origins in the Leinster Province since 1288 AD.
Mac Swayne. Used as a synonym for Mac Sweeney, which see.
Mac Sweeney or Mac Sweeny or Mac Swiney or Mac Swyn or Mac Swain or Mac Swine or Mac Swyny. Gaelic / Mac Suibhne (pleasant). Heremonian Ui Cobhthaigh Ui Felim Dal Cuinn "northern" Ui Niaill Cenel nEogain Sept / Family branch (Directly descended from the Highland Scottish Chief, Shuibhne / Sweeney who was from Argyle (The Land of the Gael) in the Highlands of Scotland. They were to become Lords and Chiefs in Co. Donegal in the north - west of the Ulster Province and were also later to be in Co. Kerry in the south - west of the Munster Province. Around the 1200’s they were of mixed Viking and Celtic Gaelic Irish blood and were to later act as galloglasses / mercenaries in both of these Counties for the leading Irish Septs there. Initially they arrived into Ireland from the Scottish Highlands around 1302 AD under Suibhne’s great - great - grandson, Murrough / Murchad Maer Mac Suibhne and settled into Fanad the territory near Loch Swilly in Co. Donegal in the north - west of Ulster and a castle at Rathmullan. The Heremonian Ui Cobhthaigh Dal Cuinn "northern" Ui Niaill Cenel Conaill O Donnells had invited them to resettle at Sheys Haven near Creslough in Co. Donegal where they built Doe Castle. In the 14th Century AD they split into 2 Septs, the Mheic Shuibhne Fanad and Mheic Shuibhne na Tuath who were to support the "northern" Ui Niaill Cenel Conaill O Donnells as the Chiefs of their galloglasses and their Marshalls for nearly 3 Centuries. Mac Sweeney Boghainach / Tir Boghaine / Barony of Banagh who had a castle at Rathain who also had Reachrain Muintir Birn / Rathlin O Beirne Islands. Mac Sweeney na dTuath - of the Territories / Tuatha Toraighe / Tory Island / Barony of Kilmacrenan. In the late 15th Century AD members from both Mac Sweeney Septs also moved to the south of Co. Cork in Southern Ireland to support the Heberian Eoghanacht Chaisil Mac Carthys where they became Chiefs also and had territory there at Muskerry. Red Aed / Hugh O Donnell in the late 15th Century AD, who took the English head on, was a foster son of Eoghan Oge - the Younger Mac Swiney. The Mac Sweeneys initially were also in the south of Co. Sligo in the north - west of the Connacht Province where they held the Ard na Glass Castle of the Heremonian Ui Cobhthaigh Ui Felim Dal Cuinn "northern" Ui Fiachrach Muaide Sept of the O Dowds under their control at Skreen. Their Castle at Dun Kineely in Co. Donegal is still there to see and a memorial to Niall Mor Mac Swiney is in the Catholic Church at Killybegs on Donegal Bay were they had originally settled in the territory around Fanad. Ancestors: 91.Eogan the 1st King of Aileach (Cenel nEogain), 92.Murray / Muireadach the 2nd King of Aileach, *93.Murtough / Muirchertach mac Ercae, *94.Donnell Ilchegach, *95. Aed Uardidnach, 96.Mael Fithrich, 97.Mael Duin, *98.Fergal the 156th King of Tara / Ireland, *99.Niall Frossach, *100.Aed Oirdnide, *101.Niall Caille, *102.Aed Findliath, *103. Niall Glun Dubh (O Neills of Ulster), 104.Murtough / Muirchertach - of the Leather Cloaks, *105.Donnell / Domhnall Ua Niaill, 106.Murtough / Muirchertach, 107.Flaherty / Flaithbertach an Trostain Ua Niaill, 108.Aedh Athlaman, 109.Anrathan / Anradhan, 110.Aedh Alaidh Buirche, 111.Sweeney / Suibhne of Castle Sween in Scotland (Clann Suibhne), 112.Maoilmore an Sparainn - of the Purse, 113.Murcadh, 114.Maoilmore, 115.Murchad Mor, arrived in Co. Donegal in 1134 AD, 116.Maoilmore, 117.Dubhgaill, 118.Eoghan / Owen and his sons, 119.Turlough, 119.Eoin, 119.Donough, 119.Dubhgall, 119.Gofrig, 119.Donnsliebe.
Sweetman / Suatman. Danish Norse origins in Co. Kilkenny / Ossory in the south - west of Southern Leinster in the 12th Century AD.
Sweetnam. English toponymic origins from Swettenham. Also sometimes used as a variant of Sweetman, which see. They were in Co. Cork in Southern Munster.
Swift. Used for Foody, which see, in Co. Mayo in the mid - west of the Connacht Province.
Swift. English origins in Ireland in Medieval Times but some also arrived later on in the early 17th Century AD.
Mac Swiggan / Swen / Swegen. Gaelic Irish / Mheic Suigin. Originally of Irish origins they later came directly from Galloway in the Scottish Highlands and were in Co. Tyrone in Central Ulster.
Mac Swine or Mac Swiney. See Mac Sweeney.
Switzer. German Palatine origins -
O Swords or O Sord or O Sourdes or O Suard - Irish / Ui Suaird. Gaelic Milesian Irian Ui Laeghis / Ui Laoighis Sept / Family branch of the O More / O Moore / Ui Mordha Sept / Family branch, who had their territory in Co. Laois in the mid - north - west of Southern Leinster where they were one of "7 Septs of Leix" and the adjacent country nearby in Co. Offaly in the north - west of Southern Leinster. Kinsmen to O Brophys / O Brofie / Ui Broithe, O Cashin / O Kissane / Ui Casain, O Deegan / Ui Duibhgainn, O Doran / O Dorrian / Ui Deoradhain, O Dowling / Ui Dunlaing, Mac Gahan / Mac Geehan / Mageehan / Mheic Gaethain, Mac Keady / Mac Keadie / Mac Keddy / Mac Keedie / Mac Keedy / Mackeady / Mheic Ceadach, O Harrigan / O Harraghan / O Harahan / Ui hArraghain, Ui Liathain, O Lalor / Lawler / Lawlor / Ua Leathlobhair. Mac Lee / Mac Lea / Ui Laoidhigh, They ruled there along with the O Deevys, the O Dorans, Mac Evoys, O Kellys and O Mores and O Dowlings even after the Anglo - Norman Invasion. The alliance between the Septs began after the 3rd Century AD when the direct ancestor of the O Mores came into Co. Laois from out of the Ulster Province led by 69.Laoighseach Cean Mor a son of 68.Conall Cearnach - of the Victories from the Red Branch Warriors of Ulster. (Co. Laois is named for 69.Laoighseach.) He assisted 86.Cu Corb the direct male line ancestor of the Heremonian Ui Laoghaire Ui Lughaidh Cu Corb Kings of Leinster to drive the Septs from the Munster Province out of Mogha's Half there. They became the sub - Kings there and they held together all through the six ethnic and religious rebellions under Elizabeth 1st until they were dispersed and relocated elsewhere. They were to be cleared out of Cloneagh in Co. Laois twice by the English. Ancestors: 83.Fachtna, 82.Milige, 81.Bran, 80.Eircc hUbulchind, 79.Felim / Feidlimid mac Finnchad, 78.Fiachach Uanchind, 77.Daire, 76.Rossa, 75.Ogomain, 74.Fergus, 73.Muleist, 72.Fachtna, 71.Milige ancestor of the Ui Baccan Sept, 70.Intait, 69.Lugdach Loichsi / Laoiseach Ceann Mor the ancestor of the O More / Moore / Siol Morda Sept in Co. Laois (named for him) in the north - west of Southern Leinster who were among the 7 Septs of Laois, 68.Conall Cernach - of the Victories the leader of the Knights of the Red Branch of Ulster who is the direct male ancestor also of the Mac Guinness, Mac Gowan and many other Irian Families in the Ulster Province and the Connacht Province. (He was a contemporary of Cuchulainn), 67.Aimhirgin Larghiunach, 66.Cas, 65.Fachtna, 64.Cathbladh, 63.Cionga, *62.Rory / Ruaidri Mor - the Greater who died in 218 BC as the Irian 86th King of Tara / Erinn (Clann - na - Rory), 37.Ir (Irians).
Swords. Also used as a synonym for Clavin, which see, by mistranslation using claidheamh (sword).
Swords - Irish toponymic taken from the village in Co. Dublin in the north - east of Southern Leinster were it was used in Medieval Times.
Mac Swyn. See Mac Sweeney.
Sydes or Scythes (dweller by the slope) English locative origins in Co. Kilkenny / Ossory in the south - west of Southern Leinster and the surrounding regions. Sides was also used as a variant in Co. Dublin in the north - east of Southern Leinster.
Symons or Simens or Simonds. See Fitz Simons.
Synan or Synon or Shynan / Sionnan. Anglo - Norman origins in Doneraile in Co. Cork in Southern Munster since the 13th Century AD.
Synge / Sing. English origins into Ireland in the 17th Century AD and were involved in Ecclesiastical and Literary pursuits.
Synnot. See Sinnott.
Syron. See Sheeran.
Sythes. See Sydes.