O Hampson or O Hamsey. An English name used by the O Hansons - Irish / Ua hAmhsaigh who had their territory in Co. Derry in the north - east of the Ulster Province to anglicize their own name. An earlier form was O Hampsey now still in use in the north of Ulster as Hamsey.

Hampton. Those in Co. Down in the south - east of the Ulster Province came into Ireland in the 17th Century AD during the ethnic and religious cleansing under James 1st the Stuart English King and the Confiscation of the 3,500,000 acres of the Heremonian Ui Cobhthaigh Dal Cuinn "Northern" Ui Niaill territories there and the Foreign non - Catholic Plantations there.

Hamrogue or Hamrock. See under - Shamrock.

O Hanafin - Irish / Ua hAinbhtin / Ua hAinifin - ainbioth / storm. A Sept / Family branch, who had their territory in Co. Kerry in Iar Mhumhain in the south - west of the Munster Province. Cognate with Hanvey in the west of Co. Cork in Southern Munster.

O Hanahan - Irish / Ua hAnnachain. A Sept / Family branch, who had their territory in Co. Limerick in the mid - north - west of Thomond / Tuaiscert Mhumhain / Northern Munster. Many also changed to O Hannon.

O Hanahoe or O Hanahy - Irish / Ua hEanchadha. A Clerical Sept / Family branch, who had their territory in the north of Co. Mayo in the mid - west of the Connacht Province in the diocese of Killala. May also be cognate with Heanue, which see.

Hanbury or Hambery - Irish / Ua hAinmhire - ainmire / freedom from levity - mire / madness. A Sept / Family branch, who had their territory in Co. Galway in Southern Connacht and in adjacent territory in Co. Clare in the north - west of Thomond / Tuaiscert Mhumhain / Northern Munster. Ansboro used as a synonym in Co. Galway, and Hambrogh and Hambrock used in Co. Mayo nearby in the mid - west of the Connacht Province.

Hand. English origins. Used for Claffey, Mac Clave, Glavy and Lavan, which see, as their Irish names were confused with hand / lamh.

O Haneen or O Henheen - Irish / Ua hAinchin. A Heremonian Ui Cobhthaigh Dal Cuinn Ui Maine Siol Anmchadha Clerical Sept / Family branch, who had their territory in Co. Clare in the north west of Thomond / Tuaiscert Mhumhain / Northern Munster and adjacent territory in Co. Galway in Southern Connacht. Sometimes also changed to O Hannon. Ancestors - *86.Maine "Mor"(Ui Maine), *85.Murray / Muiredach  "Tireach" the 122nd King of Tara / Ireland,  *80.Conn of the Hundred Battles the 110th King of Tara / Ireland (Dal Cuinn).

O Hangley. Used as a variant for O Hanley, which see, in Co. Roscommon in the east of the Connacht Province.

Hankard. A variant used for the Norman name, Tancred, which see, and elsewhere anglicized as Tankard. They have been in the south - east of Co. Cork in Southern Munster since the 16th Century AD and Gaelicized their name as na hAncardaih.

O Hanley or O Hanly or O Handly - Irish / Ua hAinle - ainle / beauty. An important Sept / Family branch, who had their territory in Co. Roscommon in the east of the Connacht Province with one of their branches also migrating to Co. Cork in Southern Munster. O Hanley used  in Co. Tipperary in the north - east of the Munster Province may be a different Sept. See also Jago.

O Hanlon / Ua hAnluain - Luan / Champion. A very important Heremonian Ui Cobhthaigh Dal Cuinn Colla da Crioch Airthir Ui Niallain Clann Cernaich Sept / Family branch, who had their territory at Oneilland East and West in Co. Armagh in the south - east of the Ulster Province (Orier). They were the Kings of Airthir / Orior  prior to the Confiscation of the 3,500,000 acres of the Heremonian Ui Cobhthaigh Dal Cuinn "Northern" Ui Niaill territories in Ulster in the early 17th Century AD and the ethnic and religious cleansing of the Irish and the non - Catholic Plantations there by James 1st the Stuart English King. Their fortress was at Tanragee. Recently they were also in the west of the Munster Province. Kinsmen to the Mac Alindon / Mheic Gilla Fhiondain, O Carney / O Carny / Ui Cearnaigh, Mac Conkeel / Mac Enhill / Woods / Mheic Concaille, O Furey / O Fury / Ui Foirredh, O Hare / O Hair / O Haire / Ui hEoir. O Larkin / O Lorking / O Lorcan / O Lorcayne / O Lurkan / O Lurkayne / Ui Lorcain, O Herane / Ui hUidhrin, O Hagan / O Hegan / O Eakin / O Eaken / Ui hAedhagain, O Moynan / O Monan / O Monane / O Monayne / O Monyne / O Moonan / O Moyne / Ui Muanain, Mac Reevy / Mac Crevey / Mac Greevey / Mheic Riabhaigh, Mac Tinney / Mac Atinney / O Tinney / Mac Tinny / Mac Asheeny / Mheic an tSionnaigh.  Ancestors - *89.Niallan, *88.Feicc, *87.Felim / Feidlimid, *86.Fiachrach "Cassain," *85.Colla "da Crioch / Focrith" - of the Two Countries, *84.Eochy / Echu "Doimhlen," *83.Cairbre "Liffeachair" the 116th King of Tara / Ireland.