Hi I have got some info on mugan from Bahaun Mayo
John Mugan born 1828 wife Mary Nolan.
Michael 27/09/1846 Bohaun Mayo
Now the james married Bridget Maley in Burriscarra Mayo about 1867 and had 7 children 2 where born in Mayo and the rest in Glasgow Scotland,
Think james brother Anthony was in England and then when to the New york and james children when to new york with him.
the spelling for this family has been Mugan Moogan the family in Glasgow and New York spell it as Mougan.
Going to Mayo in next mounth and will see if i can get an more info.