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Home › Baby Names Directory › Riordan

Riordan

♂ Boy

Pronounced REER-dun /ˈrɪər.dən/Medium

Meaning: From the Irish surname O Riordain (Ó Ríordáin), based on Rioghbhardan — ri, 'king,' plus bard, 'poet' — so 'royal poet; the king's bard.' A genuine Gaelic surname carried into first-name use.Medium

In 30 seconds: A bardic Irish surname: Riordan means 'royal poet; the king's bard' (said 'REER-dun'). Storytelling in a name.
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Origin MediumIrish
MeaningFrom the Irish surname O Riordain (Ó Ríordáin), based on Rioghbhardan — ri, 'king,' plus bard, 'poet' — so 'royal poet; the king's bard.' A genuine Gaelic surname carried into first-name use.
U.S. rank (2023)#7636 ↗ Rising
2023 U.S. births11 boys (0.00% of U.S. boys)
Peak year2013
Total births (all-time)≈ 285

Popularity in the U.S. · SSA data

peak 201319862023

U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.

SSA data updated May 2026. How we source & verify this data.

History & Origin

Riordan descends from the Irish surname Ó Ríordáin, from Rioghbhardan: ri, 'king,' with bard, 'poet.' It named the hereditary poets of a chieftain's household, and moved into given-name use in the surname-name wave. Rare in the U.S. and distinctly Gaelic (said 'REER-dun').

As a first name it appears rarely in the U.S., better known as a surname. Rare, literary, and Irish to the bone.

Did you know? Riordan comes from the Irish for 'royal poet' — ri ('king') plus bard ('poet') — so the name literally carries a court storyteller inside it (said 'REER-dun').
Overall data confidence 55%
References — Riordan — Irish surname O Riordain; 'royal poet'

Variations

ReardonReardenRiordain

Nicknames

RioDanny

Famous Bearers

  • Famous bearers coming soon.

If you like Riordan…

Donovan— a like Irish surname-name
Declan— a like Gaelic pick
Finnegan— a like Irish surname turned first name
Roran— a fellow Irish choice
Regan— shares the -an ending

Explore names like Riordan

By themeheritageirishsurnamepoetic
By meaningRoyal / Noble

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Frequently Asked

What does the name Riordan mean?

Riordan is an Irish surname meaning 'royal poet' or 'the king's bard,' from ri ('king') and bard ('poet').

How do you pronounce Riordan?

It's said REER-dun /ˈrɪər.dən/ — two syllables, stress on the first.

Is Riordan a boy or girl name?

Riordan is used as a boy's name.

How popular is Riordan?

Riordan is a very rare given name in the U.S.

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