Aoibheann (sometimes Aoibhinn) is an Irish name meaning "beautiful" or "radiant beauty." From the Irish aoibh (smile, lovely face).
Aoibheann is widely used in modern Ireland.
Aoibheann does not currently appear in the US Social Security Administration's top 1,000 girls' names, so we don't publish a US rank or birth count for it. That says nothing about the name's standing elsewhere in the world — only that it sits outside the ranked US data we rely on.
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In Pythagorean numerology the letters of Aoibheann reduce to 6, The Nurturer. This is a traditional interpretive system, not a factual claim about the name.