List of Famous people with last name Howth

Thomas St Lawrence, 3rd Earl of Howth KP was an Irish peer, styled Viscount St Lawrence until 1822.

William St Lawrence, 2nd Earl of Howth was an Anglo-Irish peer, styled Viscount St Lawrence from 1767 to 1801. He was the eldest son of Thomas St Lawrence, 1st Earl of Howth and Isabella King, daughter of Sir Henry King, 3rd Baronet and Isabella Wingfield.

Thomas St Lawrence, 1st Earl of Howth was Anglo-Irish peer and lawyer.

Nicholas St Lawrence, 4th Baron Howth was a leading Irish soldier and statesman of the early Tudor period, who held the office of Lord Chancellor of Ireland.

Christopher St Lawrence, 10th Baron Howth was an Anglo-Irish statesman and soldier of the Elizabethan and Jacobean era. His personal charm made him a favourite of two successive English monarchs, and he was also a soldier of great courage and some ability, who fought under the Earl of Essex and Lord Mountjoy during the Nine Years' War. However his bitter quarrels with the Lord Deputy of Ireland, his feuds with other leading families of the Anglo-Irish Pale, and his suspected involvement in the conspiracy which led to the Flight of the Earls, damaged his reputation. He is best remembered for the legend that he was kidnapped by the "Pirate Queen" Granuaile when he was a small boy.

Christopher St Lawrence, 5th Baron Howth (c.1485–1542) was an Anglo-Irish nobleman and statesman of the Tudor era.

William St Lawrence, 14th Baron Howth (1688-1748) was an Irish peer and politician, who enjoyed the friendship of Jonathan Swift.

William St Lawrence, 12th Baron Howth (1628–1671) was an Irish nobleman of the Restoration period. He was an intelligent and popular man who would undoubtedly have played an influential role in Irish politics had it not been for his premature death.