Baron Holmes was a title that was created twice in the Peerage of Ireland.
The first creation came on 11 September 1760 when the politician Thomas Holmes was made Baron Holmes, of Kilmallock in the County of Limerick.
In 1797, the barony held by his uncle was also revived when Holmes was raised to the Peerage of Ireland as Baron Holmes, of Kilmallock in the County of Limerick.
[2] Lord Holmes married Elizabeth Tyrrell.
They had one daughter, The Honourable Catherine Holmes, who married Edward Rushworth and had several children by him.