Surname Morgan

Hi Marea

Sloinne.ie gives the following information:

• 1. Descendant of muireagán' (diminutive of some name commencing with muir-); the name of one of the chief families of teffia, in the present counties of Westmeath and Longford, and sometimes lords of all that district. about the beginning of the 12th century, they disappeared from history, and apparently dispersed to different parts of ireland. in the 16th century, the name was most numerous in Down and Armagh. it is still common in many parts of Ireland, (Sloinnte Gaedheal is Gall )
  2. Descendant of muireán' (diminutive of some name commencing with muir-); possibly a variant of Ó muireagáin, the name of a family of ui fiachrach, in the west of Co. Mayo; also common in many other parts of Ireland, (Sloinnte Gaedheal is Gall )
  3. Descendant of murchadhán' (diminutive of murchadh, sea-warrior); the name (1) of an Offaly family who were formerly chiefs of magh aoife, in the barony of east Offaly, and are still numerous in Kildare and Offaly, but often disguised as morrins and morans; and (2) of a family of ui maine in Connacht. the name is not uncommon in co. Leitrim, (Sloinnte Gaedheal is Gall)
  4. Son of morgan' (a welsh personal name). this surname, though fairly common in Ireland, is apparently not older than the 16th century, (Sloinnte Gaedheal is Gall )

Hope this helps!