The title of Earl of Limerick was created in the Peerage of Ireland in 1803, and previously in 1686. The earlier title became extinct in 1715, but the later one is still extant.

The Earl bears the subsidiary titles of Viscount Limerick (1800) and Baron Glentworth (1790) in the Peerage of Ireland and Baron Foxford (1815) in the Peerage of the United Kingdom. Until 1999, he sat in the House of Lords as Baron Foxford.

Earls of Limerick, First Creation (1686)

• William Dongan, 1st Earl of Limerick (d. 1698)
• Thomas Dongan, 2nd Earl of Limerick (1634-1715)

Barons Glentworth (1790)

• William Cecil Pery, 1st Baron Glentworth (1721-1794), Bishop of Limerick 1784-1794
• Edmund Henry Pery, 2nd Baron Glentworth (1758-1844), elected a Representative Peer in 1800, created Viscount Limerick later that year, later created Earl of Limerick (below)

Earls of Limerick, Second Creation (1803)

• Edmund Henry Pery, 1st Earl of Limerick (1758-1844)
• William Henry Tennison Pery, 2nd Earl of Limerick (1812-1866)
• William Hale John Charles Pery, 3rd Earl of Limerick (1840-1896)
• William Henry Edmund de Vere Sheaffe Pery, 4th Earl of Limerick (1863-1929)
• Edmond Colquhoun Pery, 5th Earl of Limerick (1888-1967)
• Patrick Edmund Pery, 6th Earl of Limerick (b. 1930)