For background on how the map was made (and its flaws), see the relevant blog entry.
|Greer||Very numerous: Ulster etc. Ir. Mac Grioghair, equivalent to the Scottish MacGregor. In Ulster 17 cent. Also as Grier and Grierson. MIF.|
|Grier||Quite numerous: Donegal, Mayo, Down. Ir. Mac Grioghair. See Greer.|
|Mac Grioghair||Greer, Grier: an-líonmhar in Ulaidh & rl. Athleagan de Mac Griogair a tháinig anonn sa 17 céad.|
|MacGreer||rare: Dublin. Ir. Mac Grioghair. Analogous with Scots Mac Gregor, q.v.|
DEDs where Greer and a second surname are found together