Farai is from the Shona farai — be happy, rejoice, be joyful (imperative form). Farai is one of the Shona unisex names — central to traditional Zimbabwean Christian + Indigenous Bantu heritage. The Shona fara (happiness, joy) is central to Zimbabwean cultural emotional expression heritage + the mufaro (joy) concept central to Shona-language Christian theology.
Farai 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 Farai reduce to 8, The Visionary. This is a traditional interpretive system, not a factual claim about the name.