Richard Butler, 1st Viscount Mountgarret
Richard Butler, 1st Viscount Mountgarret (1500 – 20 May 1571) was the son of Piers Butler, 8th Earl of Ormond and Lady Margaret Fitzgerald.
He married his half first cousin Eleanor Butler, daughter of Theobald Butler of Polestown, the illegitimate brother of the 8th Earl of Ormond.
He was created 1st Viscount Mountgarret in 1550.
James Butler (military adventurer)
James Butler( fl. 1631–1634) was an Irish military adventurer, one of the many members of the Irish house of Butler who, in the seventeenth century, gained reputation as soldiers.
At least six officers of the name appear to be distinguishable in the imperial service during the Thirty Years' War.
The James Butler in question is said to have belonged to the branch of his house which traced its origin to Richard Butler, 1st Viscount Mountgarret, the second son of Piers Butler, 8th Earl of Ormond.
Edmund Butler, 4th Viscount Mountgarret
Edmund Butler, 4th Viscount Mountgarret( 1595 – 1679) was the son of Richard Butler, 3rd Viscount Mountgarret.
He acceded to his title on the death of his father in 1651 and retained his lands in the north and east of Kilkenny while many others whose families had been involved in the Catholic Confederacy lost theirs.
His father had been heavily involved in the rebellion but Edmund received a pardon for all treasons and rebellions from King Charles II and was restored to his estates.
John Butler (Irish Confederate)
Colonel John Butler was an officer of the Irish Confederate Army of the 1640s during the War of the Three Kingdoms.
He was the younger brother of Richard Butler, 3rd Viscount Mountgarret and part of the powerful Butler family of the Munster-Leinster border area.
Of Old English descent, like most of the family he was a Roman Catholic.
Butler took part in the unsuccessful 1644 Ulster Campaign as part of the Ulster Army under the command of James Tuchet, 3rd Earl of Castlehaven and Owen Roe O'Neill.
He was a cousin of James Butler, 1st Duke of Ormonde, the Lord Lieutenant and commander of the Royalist Irish Army.
Edmund Butler, 1st Earl of Kilkenny
Edmund Butler, 1st Earl of Kilkenny, 12th Viscount Mountgarret (6 January 1771 – 16 July 1846) was created Earl of Kilkenny on 20 December 1793.
The son of Edmund Butler, 11th Viscount Mountgarret and Henrietta Butler, he was thus a member of the powerful Butler Dynasty descended from the illustrious House of Butler of Ormond, who purchased and resided at Kilkenny Castle from 1391 to 1967.
He married Mildred Fowler, daughter of Robert Fowler, Archbishop of Dublin, without issue.
On his death the Earldom thus became extinct and his nephew, Henry Edmund Butler, became the 13th Lord Viscount Mountgarret in 1846.
Edmund Butler, 2nd Viscount Mountgarret
Edmund Butler, 2nd Viscount Mountgarret( c. 1562 – 1602), was the son of Richard Butler, 1st Viscount Mountgarret and Eleanor Butler.
Richard Butler, 3rd Viscount Mountgarret
Richard Butler, 3rd Viscount Mountgarret( 1578 – 1651) was the son of Edmund Butler, 2nd Viscount Mountgarret and Grany or Grizzel, daughter of Barnaby Fitzpatrick, 1st Baron Upper Ossory.
He is best known for his participation in the Irish Confederate Wars on behalf of the Irish Confederate Catholics.
Piers Butler, 8th Earl of Ormond
Piers Butler, 8th Earl of Ormond, 1st Earl of Ossory (146726 August 1539) also known as (Irish "Piers Ruadh")
Red Piers, was from the Polestown branch of the Butler family of Ireland.
Richard Butler, 1st Earl of Arran
Richard Butler, 1st Earl of Arran, Baron Butler of Cloughgrenan, Viscount Tullough( 15 July 1639 – 25 January 1685 /1686) was an Irish peer, the fourth son of James Butler, 1st Duke of Ormonde.
Edmund Butler, 11th Viscount Mountgarret
Edmund Butler, 11th Viscount Mountgarret( 27 July 1745 – 16 July 1793) was an Irish peer and politician.
He was the son of Edmund Butler, 10th Viscount Mountgarret and Charlotte Bradstreet, daughter of Sir Simon Bradstreet, 1st Bart.
He married with Henrietta Butler, daughter of Somerset Hamilton Butler, 1st Earl of Carrick on 7 October 1768 and had issued.
He was a Member of Parliament( MP) in the Irish House of Commons for Kilkenny County from 1776 to 1779.

Question: When did Richard Butler, 1St Viscount Mountgarret's father die?
Answer: 1539