Feigele is from the Yiddish פֿייגעלע — feigl (bird) + -ele (diminutive) — little bird. Feigele is one of the Yiddish feminine diminutives — central to traditional Ashkenazi Jewish heritage across Eastern Europe (Poland, Lithuania, Belarus, Ukraine, Russia, and Hungary). Closely related to Feiga + Tzipora (Hebrew bird). The Yiddish Feigele Lieder (little bird songs) are works of traditional Yiddish folk music.
Feigele 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 Feigele reduce to 4, The Builder. This is a traditional interpretive system, not a factual claim about the name.