Baby Names of Ireland

Irish Girl Names Starting with R

9 Irish girl names beginning with R, with what each one means and how to say it.

Updated September 2026

There are 9 Irish girl names starting with R here. The ones readers look up most are Roisin, Riona and Rionach.

The R names for girls on this page that the most babies were given in 2025, by the Central Statistics Office’s ranking.

  1. No. 29 girlsRóisín135 babies
  2. No. 80 girlsRíadh61 babies
  3. No. 103 girlsRóise46 babies

Irish girl names starting with R

Regan

pronounced REE-gan

Comes from ri “sovereign, king” and the diminutive -in and means “the king’s child” or may come from riogach “impulsive, furious.” Regan may be used for a boy or a girl.

More about Regan

Riadh

pronounced REE-a

Ríadh is one of the newest Irish girls’ names, and dictionaries and name references give no settled meaning for it. It shares its ending and sound pattern with Fiadh.

More about Riadh

Rionach

pronounced REE-in-ock

From rionach meaning “queenly.” In legend Rionach was the wife of “Niall of the Nine Hostages” and as such is the maternal ancestor of many of the great Irish family dynasties.

More about Rionach

Roise

pronounced ROE-sha

Róise is an Irish form of Rose, and it has long been linked with rós, the Irish word for the flower.

More about Roise

Roisin

pronounced ro-SHEEN

From the Latin name Rosa and means “little rose.” Records show that the name has been in use in Ireland since the sixteenth century.

More about Roisin

Ryanne

pronounced RYE-an

Ryanne is a modern feminine form of Ryan, created in English rather than in Irish. Ryan comes from the Irish surname Ó Riain, “descendant of Rian.”

More about Ryanne

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