Earl of Glengall

List of title holders

Barons Cahir, First creation (1542)

• Thomas Butler, 1st Baron Cahir, son of Thomas Butler of Cahir. His brother Piers would supply later barons when his own line failed to produce male heirs.
• Edmund Butler, 2nd Baron Cahir, son of the 1st Baron who died without issue.

  Barons Cahir, Second creation (1583)

• Theobald Butler, 1st Baron Cahir, son of Piers Butler and nephew of the 1st Baron. He died in 1596 having had six sons of whom the three elder were Thomas, Piers and Edmund.
• Thomas Butler, 2nd Baron Cahir, son of the 1st Baron. Died without male issue in 1627.
• Thomas Butler, 3rd Baron Cahir, son of Piers Butler, nephew of the 2nd Baron and grandson of the 1st Baron.
• Pierce Butler, 4th Baron Cahir, grandson of the 3rd Baron. Pierce's father, Edmund, predeceased the 3rd Baron. He died in 1676 without male issue.
• Theobald Butler, 5th Baron Cahir, the son of Edmund who was the third son of the 1st Baron. He succeeded on the extinction of the line of the 1st Lord's second son. He died in 1700.
• Thomas Butler, 6th Baron Cahir, son of the 5th Baron.
• James Butler, 7th Baron Cahir, son of the 6th Baron who succeeded in 1744 and died without issue in 1746.
• Pierce Butler, 8th Baron Cahir, brother of the 7th Baron. He died without issue on 10 June 1788, ending the line of Theobald.
• James Butler, 9th Baron Cahir, son of Richard Butler of Ballinahinch who was the grandson of the above Edmund,. He was in India at the time of his predecessor's death and so never received the news of his elevation as he died a month later in July 1788.
• Richard Butler, 10th Baron Cahir, son of the 9th Baron.

  Earls of Glengall (1816)

• Richard Butler, 1st Earl of Glengall and 10th Baron Cahir, was the son of the 9th Baron. He died in 1819.
• Richard Butler, 2nd Earl of Glengall and 11th Baron Cahir. The titles became extinct at the death of the second Earl who was buried in the Church of Ireland church, Cahir built by John Nash.