The name Iarlaith is a boy's name of Irish origin meaning "ruler, sovereign, lord".

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The name of a 6th saint from Galway whose monastery became a center of learning while he was there, Iarlaith is an undiscovered Irish gem. Undiscovered in the US, that is: Iarlaith is a Top 100 name in Ireland, given to around 55 boys in a recent year.
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Other spellings of the name include Iarlaithe and Iarlflaith, while the Anglicized form is Jarlath, more familiar perhaps thanks to actor Jarlath Conroy of <em>Law & Order</em>. Pronounced as EER-luh or EEYR-luh depending on accent and place, the name has never ranked in the US charts. 

Iarlaith

Popularity of the name Iarlaith

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