Cai
4 countries#650 in England & Wales, 2021Popularity across 4 countries
Each line is scaled to its own peak, so you can compare when Cai was in fashion in each country, whatever the population size.
Country by country
🇬🇧 United Kingdom
2,650 births recorded 1996–2025 · currently #844 · peaked in 2006 with 195 births (England & Wales + Scotland + Northern Ireland combined)
Source: ONS, National Records of Scotland & NISRA (combined), official birth-registration data
🏴🏴 England & Wales
2,552 births recorded 1996–2021 · currently #650 · peaked in 2006 with 195 births
Source: Office for National Statistics, official birth-registration data
🇺🇸 United States
1,945 births recorded 1989–2025 · currently #2108 · peaked in 2022 with 131 births
Most common in: Texas, Florida, California, Georgia, North Carolina
Source: Social Security Administration, official birth-registration data
🏴 Scotland
75 births recorded 2001–2025 · currently #762 · peaked in 2015 with 6 births
Source: National Records of Scotland, official birth-registration data
Northern Ireland
23 births recorded 1999–2023 · peaked in 2023 with 6 births
Source: NISRA, official birth-registration data
England & Wales rank history
Cai’s rank among boys’ names, most recent 20 years on record.
| Year | Rank | vs. prior yr |
|---|---|---|
| 2002 | #272 | — |
| 2003 | #233 | ↑39 |
| 2004 | #271 | ↓38 |
| 2005 | #236 | ↑35 |
| 2006 | #214 | ↑22 |
| 2007 | #275 | ↓61 |
| 2008 | #289 | ↓14 |
| 2009 | #299 | ↓10 |
| 2010 | #349 | ↓50 |
| 2011 | #375 | ↓26 |
| 2012 | #460 | ↓85 |
| 2013 | #412 | ↑48 |
| 2014 | #463 | ↓51 |
| 2015 | #445 | ↑18 |
| 2016 | #512 | ↓67 |
| 2017 | #526 | ↓14 |
| 2018 | #590 | ↓64 |
| 2019 | #655 | ↓65 |
| 2020 | #568 | ↑87 |
| 2021 | #650 | ↓82 |
Frequently asked questions about Cai
Is Cai a popular name?
Yes — Cai currently ranks #650 among boys’ names in England & Wales as of 2021, based on official birth records.
Is Cai more common for boys or girls?
Cai is recorded predominantly as a boys’ name in official England & Wales birth data.
When was Cai most popular?
Cai peaked in 2006 in England & Wales, with 195 recorded births that year.
Is Cai rising or falling in popularity?
In England & Wales, Cai’s popularity is falling — its rank has slipped from #435 in 1996 to #650 in 2021.
How many babies have been named Cai?
At least 4,595 babies have been recorded with the name Cai across official birth statistics in 4 countries.
Is Cai popular in more than one country?
Yes — Cai appears in official birth records in 4 countries: England & Wales, United States, Scotland, Northern Ireland.
What names are similar in popularity to Cai?
Based on real 2021 ranking data in England & Wales, names ranked closest to Cai include Artist, Ayven, Dakoda, Darryl.
Similar names right now
Ranked directly next to Cai in England & Wales, 2021 — a real popularity match, not a subjective list.