Hetherington. English origins. They were in Ireland in the 16th Century AD in Co. Laois in the mid - north - west of Southern Leinster. They are now mostly found in Co. Tyrone in Central Ulster. An Irish Catholic member of their Family was executed because he refused to be transplanted to the Connacht Province in 1655 AD.

Hevaghan.See - Hevican.

O Hever - Irish / Ua hIomhair. (A Norse personal name.) A Heremonian Ui Cobhthaigh Dal Cuinn Ui Fiachrach Sept / Family branch, who had their territory in Co. Sligo in the north - west of the Connacht Province. See also Howard. Ancestors - *87.Fiachra the original 2nd King of Connacht (Ui Fiachrach), *86.Eochy "Mugmedon" the 124th King of Tara / Ireland.

O Heverin or O Hevron. Used as variants for O Heffron, which see, in Co. Mayo in the mid - west of the Connacht Province.

O Hevican or O Havigan. May be variants of O Hevaghan / Irish - Ui hEimheachain. A Sept / Family branch of the Ui Fiachra Tuath / Family region. Ancestor - *87.Niall of the Nine Hostages the 126th King of Tara / Ireland (Ui Niaill).

Hewitt. English name. A diminutive of Hugh. Gaelicized as Huighead. Originally in the Munster Province and Co. Dublin in the north - east of Southern Leinster since 1295 AD. Now in the Ulster Province.

Hewston. A variant used for Houston in the Ulster Province.

O Heyne - Irish / Ua hEidhin. An important Heremonian Ui Cobhthaigh Dal Cuinn "Southern" Ui Fiachrach Sept / Family branch, who had their territory at Aidhne in Co. Galway in Southern Connacht. They were at Kinvarra Bay, and at Inis Cealtra in Co. Clare in the north - west of the Munster Province was their Family Church. *Flan O Hyne was the Prince of Hy / Ui Fiachrach Aidhne in Co. Galway. In 1548 AD they built Dungory Castle on an islet at the head of Kinvarra Bay in Co. Galway. Hynes is now used as a synonym. Ancestors - *87.Fiachra the original 2nd King of Connacht (Ui Fiachrach), *86.Eochy "Mugmedon" the 124th King of Tara / Ireland.

Hickenson -  

O Hickey - Irish / Ua hIcidhe - iceadh / healer (a Descendant of the Healer). A Heberian Dal gCais Sept / Family branch, who had their territory in the east and in the center of Co. Clare in the north - west of Thomond / Tuaisceart Mhumhain / Northern Munster and in the north of Co. Tipperary in the north - east of the Munster Province were they were Chiefs. They were the hereditary physicians of the Ui mBriain O Brians and are now also in Co. Limerick in the mid - north - west of Munster. Ballyhickey is situated in the Parish of Clooney (The Meadow) in Co. Clare where St. Rican was the patron Saint there where the church is known as The Church of the Meadow. Two other burial grounds are also there with one at Killoghan and there is also a graveyard in which un - baptized children were interred. There are also 3 Holy Wells  Tober - Cill near Killoghan church, Tober  - Buran and St. Patrick's Well.  Ancestor: *91.Cas (Dal gCais) the King of Thomond.

Hickman. A servant of Hick / Richard. English origins. They have been in Ireland since the 17th Century AD in Co. Clare in the north - west of the Munster Province.

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O Higgins - Irish / Ua hUigin. A Heremonian Ui Cobhthaigh Dal Cuinn Colla da Crioch Sept / Family branch. Ancestors - *85.Murray / Muiredach "Colla da Crioch / Fo Crith " - of the Two Countries, * 84.Eochy / Echu "Doimhlen," *83.Cairbre "Liffeachair" the 116th King of Tara / Ireland.

O Higgins - Irish - Ua hUigin. A Viking personal name. A Heremonian Ui Cobhthaigh Dal Cuinn "Southern" Ui Niaill Sept / Family branch, who had their territory in Co. Westmeath in the south - west of Northern Leinster where they were Chiefs. Descended directly from *89.Uigin who was a grandson of *87.Niall of the Nine Hostages the 126th King of Tara / Ireland in the 4th Century AD. They later migrated from Co. Westmeath to Co. Sligo in the north - west of the Connacht Province where they were Brehon Lawyers and also into Co. Mayo in the mid - west of the Connacht Province. They were also nearby in Co. Longford in the north - west of Northern Leinster. The O Higgins of South American fame were from Ballinary in Co. Sligo. Ancestors - *89.Uigin, *87.Niall of the Nine Hostages the 126th King of Tara / Ireland (Ui Niaill).