Muckloonmodderee is Macloon or McLoon depending which record you are looking at.
Do you know of a Fergus John Navin?
Spelling in the 1901 Census was Vergus John Navin, Fergus Nevin in the 1911.
He was born in Galway lived in Tipperary in 1901 and went back to Galway in 1911, in between he married an Ann Newton.
Turavoggaun this at the cross road at Ballinderry. Muckloonmodderee is the next townland.
Just getting a spreadsheet ready for you.
Maggsie