Zoi
Girl name · #5140 in 2025 · Very rare
How old is the name Zoi? In official American birth records, Zoi has been tracked continuously since 1970, giving it 55 years of documented American history.
Zoi is currently the #5140 girl name in the United States — 25 babies received it in 2025. A decade ago it stood at #4144, so the name has been falling over the past ten years. Roughly one in every 72,000 girls born in 2025 was named Zoi.
The 55-year story
Zoi first appears in the Social Security records in 1970, when 6 girls received the name. Its peak came in 2010, when 44 girls were named Zoi — good for #3572 that year. Today's parents encounter it on its way down the popularity curve, which for many parents is exactly the appeal. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.
Babies named Zoi per year. Source: Official national birth records.
Unlock the 5-year forecast and compare Zoi against up to 5 other names.
Uniqueness: will there be another Zoi in class?
On our rarity read — which blends how common Zoi is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Zoi will likely be the only one in the room, with the occasional spelling-out as the price.
Where Zoi is most common
State-level data for Zoi is too sparse in 2025 to rank by rate — in most states its count falls below the SSA's per-state reporting threshold (counts under 5 are withheld).
Names like Zoi
Statistically, parents drawn to Zoi tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Zoee, Aili, Pari, Mali, and Zada.
ZoeeAiliPariMaliZadaTanviZamyaEmari
Rank history (last 25 years)
| Year | Babies named Zoi | Rank |
|---|---|---|
| 2025 | 25 | #5099 |
| 2024 | 25 | #5148 |
| 2023 | 24 | #5248 |
| 2022 | 29 | #4671 |
| 2021 | 21 | #5748 |
| 2020 | 25 | #5003 |
| 2019 | 24 | #5306 |
| 2018 | 22 | #5619 |
| 2017 | 29 | #4695 |
| 2016 | 40 | #3777 |
| 2015 | 35 | #4144 |
| 2014 | 35 | #4178 |
| 2013 | 43 | #3573 |
| 2012 | 39 | #3915 |
| 2011 | 29 | #4807 |
| 2010 | 44 | #3572 |
| 2009 | 35 | #4269 |
| 2008 | 42 | #3779 |
| 2007 | 29 | #4944 |
| 2006 | 39 | #3854 |
| 2005 | 40 | #3646 |
| 2004 | 22 | #5555 |
| 2003 | 25 | #4943 |
| 2002 | 27 | #4498 |
| 2001 | 21 | #5364 |
Frequently asked questions
How old is the name Zoi?
In official American birth records, the name Zoi first appeared in 1970 (over 55 years ago), when 6 newborn girls received the name. It has been tracked in modern national records for 55 years.
Is Zoi a popular girl name?
Zoi ranked #5140 among girls in 2025 with 25 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #4144.
When was the name Zoi most popular?
Zoi peaked in 2010, when 44 American girls received the name (ranked #3572 that year). Since 2010 the name has declined from that high.
How rare is the name Zoi?
In 2025, roughly 1 in 72,000 newborn American girls was named Zoi. On our rarity scale (rarity blended with momentum) we classify it as "very rare".
Data source: Official American birth records, 1880–2025, national and state files. Counts reflect registered birth records for American families.