This article includes a list ofgeneral references, butit lacks sufficient correspondinginline citations. Please help toimprove this article byintroducing more precise citations.(December 2014) (Learn how and when to remove this message)

Baron Rathcavan, of The Braid in theCounty of Antrim, is a title in thePeerage of the United Kingdom.^[1] It was created on 11 February 1953 for theUnionist politicianSir Hugh O'Neill, 1st Baronet. He had already been created aBaronet, of Cleggan in the County of Antrim, on 17 June 1929 (seeO'Neill baronets).^[2] O'Neill was the third son ofEdward O'Neill, 2nd Baron O'Neill (see theBaron O'Neill for earlier history of the family) and the uncle of thePrime Minister of Northern IrelandTerence O'Neill, Baron O'Neill of the Maine. Lord Rathcavan was also a male-line descendant ofEdward Chichester, 1st Viscount Chichester (see theMarquess of Donegall). He was succeeded by his eldest surviving son, the second Baron. He succeeded his father as UnionistMember of Parliament forAntrim in 1952, a seat he held until 1959, and was later a member of theParliament of Northern Ireland. As of 2014^[update] the titles are held by his son, the third Baron, who succeeded in 1994.

The HonourableSir Con O'Neill, second son of the first Baron, was a diplomat. His daughterBaroness O'Neill of Bengarve is a philosopher.

The family seat isCleggan Lodge, nearBallymena,County Antrim.^{[citation needed]}

• (Robert William) Hugh O'Neill, 1st Baron Rathcavan (1883–1982)
• Phelim Robert Hugh O'Neill, 2nd Baron Rathcavan (1909–1994)
• Hugh Detmar Torrens O'Neill, 3rd Baron Rathcavan (born 1939)

Theheir apparent and sole heir to the peerage is the present holder's son, the Hon. Francois Hugh Nial O'Neill (born 1984).^[3]

Coat of arms of Baron Rathcavan

Crest 1st an arm embowed in armour the hand grasping a sword all Proper 2nd a stork rising with a snake in its beak all Proper. Escutcheon Quarterly 1st & 4th per fess wavy the chief Argent and the base representing the waves of the sea in chief a dexter hand couped at the wrist Gules in base a salmon naiant Proper 2nd & 3rd chequy Or and Gules a chief Vair a mullet for difference. Supporters On either side a heron Proper standing on a billet fesswise wavy Argent charged with a bar wavy Azure. Motto Invitum Sequitur Honor; Lamh Dearg Eirin[4]

• Baron O'Neill
• Earl O'Neill
• Baron O'Neill of the Maine
• List of Northern Ireland Members of the House of Lords
• Marquess of Donegall
• O'Neill dynasty

• Kidd, Charles & Williamson, David (editors).Debrett's Peerage and Baronetage (1990 edition). New York: St Martin's Press, 1990,^{[page needed]}
• Leigh Rayment's Peerage Pages^{[self-published source][better source needed]}

• Cleggan Lodge

• Baronies in the Peerage of the United Kingdom
• Noble titles created in 1953
• Peerages created for UK MPs
• Chichester family

• Articles with short description
• Short description matches Wikidata
• Use dmy dates from April 2022
• Articles lacking in-text citations from December 2014
• All articles lacking in-text citations
• Articles containing potentially dated statements from 2014
• All articles containing potentially dated statements
• All articles with unsourced statements
• Articles with unsourced statements from June 2020
• Wikipedia articles needing page number citations from February 2013
• All accuracy disputes
• Accuracy disputes from February 2012
• All articles lacking reliable references
• Articles lacking reliable references from February 2012
• Wikipedia articles incorporating an LRPP template without an unnamed parameter