For background on how the map was made (and its flaws), see the relevant blog entry.
|Mac Mhadóg||Waddock, Maddock: líon beag: Loch Garman & rl. Ainm Breatnach Madoc a chiallaíonn: séanmhar, sona. Shíolraigh siad ó Mhac Murchadha.|
|Maddocks||rare: Belfast etc. Welsh : madog, goodly. There is also an Irish name Mac Mhadóg, associated with the Mac Murroughs of Wexford. SI, SGG & DBS.|
DEDs where Maddock and a second surname are found together