Adya (आद्या) is the Sanskrit word for "first" or "original." In Hindu tradition, Adya is an epithet of the Goddess (Devi) in her primordial form — the original creative power.
Adya is widely used across India as a feminine name.
Adya 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 Adya reduce to 4, The Builder. This is a traditional interpretive system, not a factual claim about the name.