Irish Gaelic Names that Start With O

  1. Oisín
    • Origin:

      Irish Gaelic
    • Meaning:

      "little deer"
    • Description:

      The name of the son of the legendary Finn McCool is often Anglicized to Ossian, but the original has recently been revived in Ireland and is currently among the most popular boys' names there.
  2. Orlaith
    • Origin:

      Irish
    • Meaning:

      "golden princess"
    • Description:

      In early, pre-Norman Ireland, this name was borne by both a sister and a niece of high king Brian Boru. Now, the English form Orla is more commonly used.
  3. Orlagh
    • Origin:

      Irish
    • Meaning:

      "golden princess"
    • Description:

      A variation of Orla and a fast rising choice in England and Wales in 2022.
  4. Orfhlaith
    • Description:

      Orfhlaith is a traditional feminine Irish name with ancient Gaelic origins, pronounced approximately as 'OR-la' or 'OR-lah.' It derives from the Gaelic elements 'or' meaning 'gold' and 'flaith' meaning 'princess' or 'sovereignty,' thus translating to 'golden princess' or 'golden lady.' This name dates back to medieval Ireland and was borne by several noble women in Irish history. While the original spelling Orfhlaith remains rare outside Ireland, its modernized form Orla has gained more international recognition. The name connects deeply to Irish heritage and Celtic traditions. Despite its challenging spelling for non-Irish speakers, it carries a sense of historical dignity and cultural richness that appeals to those with Irish ancestry or appreciation for Celtic heritage.
  5. Onóra
    • Origin:

      Irish Gaelic
    • Meaning:

      "honor"
    • Description:

      Lovely variation of an upstanding classic.
  6. Orflaith
    • Description:

      Orflaith is a feminine name of Irish origin, derived from the Old Irish words "or" meaning "gold" and "flaith" meaning "princess" or "sovereignty," thus translating to "golden princess" or "golden lady." This ancient Gaelic name was borne by several notable women in Irish history and mythology, including princesses and noble ladies during medieval times. While considered rare even in Ireland today, Orflaith (sometimes anglicized as Orlagh or Orla) carries a sense of regal elegance and cultural heritage. The pronunciation (OR-flah or OR-la) may present challenges outside Ireland, but its unique sound and meaningful etymology make it an attractive choice for parents seeking a name with authentic Celtic roots and historical significance.