|Roantree||Quite numerous: Dublin etc. See Rountree.|
|Roundtree||rare: Meath etc. See Rountree.|
|Rountree||Quite numerous: Armagh, Meath etc. Ir. Ó Caorthannáin, caorthann, rowan-tree. The name is English but in Ireland 14 cent. It is now a Yorkshire name, usually Rowntree.|
|Rowantree||rare: Down etc. See Rowntree.|
|Rowntree||fairly rare: Armagh-Down-Monaghan. Evidently an English name, it appeared in Oriel (Armagh-Monaghan) in 14 cent. It now occurs as Rowantree, Rountree, Roundtree and in Irish, by translation, Ó Caorthannáin. SI.|
Parishes where Roundtree and a second surname are found together
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