O Hanna. Highland Scottish origins. Gaelic / Ua hAnnaidh. They were in the north - east of the Ulster  Province. This is one of the few Scottish O names (descended from.)

O Hannavan - Irish / Ua hAinbheain. A Sept / Family branch, who had their territory in Co. Monaghan in Southern Ulster. Cognate with Hanvey in the Heremonian Ui Cobhthaigh Dal Cuinn 3 Colla kingdom of Orghialla / Oriel in Southern Ulster and adjacent territory in Co. Louth in the north - east of Northern Leinster.

Hannaway or Hanway. Used as variants for Hanvey, which see, in the south of Co. Down in the south - east of the Ulster Province.

O Hannay or O Hanney. A Heremonian Ui Cobhthaigh Dal Cuinn Colla da Crioch Sept / Family branch, who had their territory on the border regions of Co. Armagh and Co. Down in the south - east of the Ulster Province. Especially see - O Hanvey.

Hannick or Hanwick. Origins unknown as yet. May be the O Halveys - Irish / Ui hAilmhic, which see. A Sept / Family branch, who had their territory in Co. Mayo in the mid - west of the Connacht Province .

O Hannify or O Hanify. A variant used for O Hanvey, which see. A Sept / Family branch, who had their territory in Co. Galway in Southern Connacht.

O Hannigan. Specific origins as yet unknown - Irish / Ua hAnnagain. A Sept / Family branch, who had their territory in Co. Waterford in the south - east of the Munster Province.

O Hannigan. Origins as yet unknown - Irish / Ua hAnnagain. A Sept / Family branch, who had their territory in Co. Tyrone in Central Ulster.

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

O Hannon. Used for O Haneen, which see, in the Connacht Province.

O Hanraghty. The most important Heremonian Ui Cobhthaigh Dal Cuinn Colla da Crioch  Ui Meith Macha (Ui Meith Tire Sept / Family branch, who had their territory in Co. Monaghan in their kingdom of Oirghialla / Oriel in Southern Ulster and adjacent territory in Co. Louth in the north - east of Northern Leinster. Now found in the north of Co. Louth and nearby in Co. Armagh in the south - east of Ulster Province where they were Chiefs. Especially see - O Hanratty.

O Hanrahan - Irish / Ua hAnrachain. A Heberian Dal gCais Sept / Family branch, who had their initial territory in Co. Clare and nearby in Co. Limerick in Thomond / Tuaisceart Mhumhain / Northern Munster. Also used as a variant for O Hourahan - Irish / Ua hAnradhain. Known as O Handrahan in the south of Co. Tipperary in the north - east of Ormond / Aur Mhumhain / Eastern Munster Munster. In the north - east of Glanworth in Co. Cork in Southern Munster is their Caherdrinny Castle.They were also in Co. Westmeath in the south - west of Northern Leinster. Ancestor - *91.Cas (Dal gCais) the King of Thomond.

O Hanratty or O Hanraghty - Irish / Ua hInnreachtaigh / Ua hAnrachtaigh - anrachtach / unlawful. The most important Heremonian Ui Cobhthaigh Dal Cuinn Colla da Crioch  Ui Meith Macha (Ui Meith Tire Sept / Family branch, who had their territory in Co. Monaghan in their kingdom of Oirghialla / Oriel in Southern Ulster and adjacent territory in Co. Louth in the north - east of Northern Leinster. Now found in the north of Co. Louth and nearby in Co. Armagh in the south - east of Ulster Province where they were Chiefs. Kinsmen to the Ui Seaain (Ui Ainfeith) Ui Meath Mara (Omeath). O Beck / O Beaky / O Bakey / Ui Beice, O Garvey / Ui Gairbhith, O Hanvey / O Hannay / O Hanney / Ui hAinfeith, O Horish / O Horisky / O Houriskey / O Whoriskey / Waters / Caldwell / Ui hUarghuis, O Marron / O Marran / O Marrane / O Marren / O Mearn / Ui Mhearain, O Mulready / O Mulbreedy / O Mulbride / O Mulreedy / O Murready / O Mulreddy / Ui Mael Brighdhe, O Smollen / O Smullen / Ui Smollain. Ancestors - *107.Imar, *106.Murtough / Muirchertach, *105.Dubhdarach, *104.Scannlan, *103.Indrechtach, *102.Gairbidh, *101.Ainbhith, *100.Mael "Brigte, *99.Duibinnracht, *98.Teague / Taidg, *97.Innreachtach, *96.Murray / Muiredach, *95.Mailimuchair, *94.Scannlan, *93.Fingin, *92.Aedha, *91.Fiachrach, *90.Fiachrach, *89.Eogan, *88.Brion, *87.Murray / Muiredach "Meith" (Ui Meith), *86.Imchada, *85.Murray / Muiredach "Colla da Crioch / Focrith" - of the Two Countries, *84.Eochy / Echu "Doimhlen," *83.Cairbre "Liffeachair" the 116th King of Tara / Ireland.

 Hanrick. See - Henrick.

O Hanvey - Irish / Ua hAinbhith - ainbioth / storm. A Sept / Family branch, who had their territory  in Co. Meath in the south - east of Northern Leinster and were also Chiefs in the adjacent territory in Co. Westmeath in the south - west of Northern Leinster.

O Hanvey - Irish / Ua hAinbhith - ainbioth / storm. A Sept / Family branch, who had their territory in the west of Co. Cork in Desmond / Des Mhumhain / Southern Munster.

Haol. They were in Co. Kilkenny in the south - west of Southern Leinster.