Phi
Meaning
to fly; written Phi
Popularity, 1890–2024
Shape drawn from US Social Security baby-name records. Phi has stayed rare in US records the whole time: no peak decade to name.
When you meet Phi
Most people given the name Phi in the United States were born between 1980 and 1999. The Phi you meet today is most often in his 20s or 30s.
Estimated from US Social Security birth registrations and typical lifespans; a rough guide, not a rule.
The Phi deep dive
Whether you’re naming a baby or exploring your own name’s history, this is a personal letter, not a list: where Phi truly comes from, how it traveled, and what a century of records reveals. If you have grown a tree on nametree, it also considers how Phi fits with your family’s names and surname.
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