Michael O’Callaghan1 
Daniel O’Callaghan, The O’Callaghan1 
He held the position of Chief of the Name from.1 He lived at Mountallen, County Clare, Ireland.1
Children of Daniel O’Callaghan, The O’Callaghan and Catherine Purcell
- Donogh O’Callaghan+2 d. c Apr 1767
- Ellis O’Callaghan1
- Jane O’Callaghan1 d. 1772
Teige O’Callaghan1 
Connor O’Callaghan1 
Cahir O’Callaghan1
He lived at Leatharden, Ireland.1
Children of Cahir O’Callaghan and Elena FitzGerald
- John O’Callaghan+2 d. 1712
- Ellen O’Callaghan2
- Cornelius O’Callaghan+2 b. 1693, d. 1741
Maurice FitzGerald1
Child of Maurice FitzGerald
Elena FitzGerald1
Her married name became O’Callaghan.
Children of Elena FitzGerald and Cahir O’Callaghan
- John O’Callaghan+2 d. 1712
- Ellen O’Callaghan2
- Cornelius O’Callaghan+2 b. 1693, d. 1741
John O’Callaghan1 
He gained the rank of Captain in the Irish regiment of King Louis XIV’s armies.1
Children of John O’Callaghan
James Louis O’Callaghan1
He was Master of the Hunt to Margrave of Baden-Baden.1 He gained the title of Graf O’Callaghan [Baden-Baden].
Louis Denis O’Callaghan1
He was Master of the Hunt to Margrave of Baden-Baden.1 He gained the title of Graf O’Callaghan [Baden-Baden].
