Róisín (Irish)

Where does "Róisín" come from?

The Irish female given name 'Róisín' is formed natively in Irish by combining the base name 'Róis' with the diminutive suffix '-ín'[1]. The root name 'Róis' itself derives from Anglo-Norman forms like 'Roese' or 'Rohese', or alternatively from the Latinized version 'Rohesia'[2].

Open questions

• The exact Anglo-Norman or Latinized source form among Roese, Rohese, and Rohesia that gave rise to the Irish name Róis is not definitively specified. [2]

Full etymology tree

• Róisín (Irish), 'a diminutive of the female given name Róis'
  • suffix Róis (Irish), 'a female given name, equivalent to English Rose'
    • derived Roese (Anglo-Norman)
    • derived Rohese (Anglo-Norman)
    • derived Rohesia (Latin)
  • suffix -ín (Irish), 'Suffix used to form diminutive nouns, sometimes with semantic shift from the original noun.'

Ancestors

• Róis (Irish)
• -ín (Irish)

Related words

• Niamh (Irish)

Sources

1. Róisín (Irish) - Wiktionary
2. Róis (Irish) - Wiktionary

Updated October 2026

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Etymology data from Wiktionary, CC BY-SA 4.0 · About Miraris