Eabha is from the Irish Éabha — Irish rendition of Eve — from the Hebrew Ḥawwāh (mother of all living). Eabha is one of the Irish-language feminine names — consistently in the top 10 Irish girls' names of the 2010s-2020s. The biblical Eve (Genesis 2-3) is the first woman in Abrahamic religions — central to Christian, Jewish, and Islamic traditions.
Eabha 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 Eabha reduce to 8, The Visionary. This is a traditional interpretive system, not a factual claim about the name.