Poland (surname) cases, particularly in Ireland, the English "Poland" is a variant of "Polin", which is in turn an Anglicised form of the original Gaelic spelling of "Mac Póilín", which translated from Irish means "son of little Paul". This Irish surname originated as a patronymic, derived from a pet form of the Irish "Pól" (the English form of which is "Paul"). There are multiple formulations of the anglicised spelling quite often with the 'Mac' or 'Mc' removed, including: (Mc)Poland, (Mc)Polin, (Mc)Polland, (Mc)Pullen, (Mc)Pullin, (Mc)Polan which in Ireland come from the same original Gaelic. The variety in spelling of this Irish surname and
McKinley (surname) nickname given the deposed MacDunleavy dynasty royals while exiled in Tirconnell and elsewhere. Being, also, one of Ireland's ancient hereditary medical families, the MacDunleavy (variant English spelling MacDonlevy) were in Tirconnell accorded the high Gaelic status of "ollahm leighis" or the official physicians to the O'Donnell clan in County Donegal and practiced as physicians while exiled in Argyll, Scotland. The nickname was Mac an Leigh. Per this scenario the Gaelic language patronymic forming prefix "Mac" (meaning "descended of") is joined to the Gaelic language "Léigh" meaning leech, but denoting a physician. Leeching (medical) having been for millennia, in Gaelic Ireland