This is a list of surnames in which the usage is Irish; and the first letter is H.
Halloran IrishFrom Irish
Ó hAllmhuráin meaning
"descendant of Allmhurán". The given name
Allmhurán means "stranger from across the sea".
Heffernan IrishFrom Irish
Ó hIfearnáin meaning
"descendant of Ifearnán". The byname
Ifearnán means "little demon".
Hickey IrishAnglicized form of Irish
Ó hÍcidhe meaning
"descendant of the healer".
Higgins IrishFrom Irish
Ó hUiginn meaning
"descendant of Uiginn".
Uiginn is a byname meaning "Viking".
Hines IrishAnglicized form of Irish
Ó hEidhin meaning
"descendant of Eidhin", a given name or byname of unknown origin.
Hogan IrishFrom Irish
Ó hÓgáin meaning
"descendant of Ógán". The given name
Ógán is a diminutive of
óg meaning "young".