Kairo Boy

How popular is Kairo?

#226 boy name in 2025

1,577 baby boys were named Kairo in the US in 2025, making it the 226th most popular boy name. Another 34 girls got the name (#4,171 for girls).

Compare with other names
11,479living people named Kairo (est.)
4median age of people named Kairo
11,519babies named Kairo since 1880
1 in 2,058US babies born in 2025

Kairo popularity over time

01,0002,000 18801900192019401960198020002020

Boys Girls

Rank in 2025#226 for boys (▲ 12 from 2024)
Babies in 20251,577 boys, 34 girls
10-year trendRising fast (+1823% babies vs 2015)
Earlier ranks#1,815 in 2015, #280 in 2020
Peak year2025 (1,577 boys)
Highest rank#226 in 2025
First recorded1995
Boys vs girls (last 10 years)97% boys, 3% girls
Chance a classmate shares it1% in a class of 25 kids born in 2025

Kairo counting every spelling

Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Kairo family of names ranked #151 for boys in 2025 (#162 the year before), with 2,592 babies in all.

SpellingBoys in 2025Share
Kairo 1,577 61%
Cairo 965 37%
Kairoh 33 1%
Kayro 6 0%
Qairo 11 0%

Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.

Where Kairo is most popular

Babies named Kairo per 1,000 boys born in each state, 2021 to 2025. Darker means more common.

  1. District of Columbia: 4.4 per 1,000 (65 boys)
  2. Delaware: 2.8 per 1,000 (43 boys)
  3. Maryland: 2.3 per 1,000 (280 boys)
  4. Georgia: 2.1 per 1,000 (538 boys)
  5. South Carolina: 1.8 per 1,000 (188 boys)

Kairo by decade

DecadeBaby boysBest rank
1990s48#4,606
2000s208#2,893
2010s2,491#307
2020s8,477#226

Boy names about as popular as Kairo

Questions

Is Kairo a boy or girl name?
Kairo is mostly a boy name. Over the last 10 years, 97% of babies named Kairo were boys.
How popular is the name Kairo?
1,577 baby boys were named Kairo in the US in 2025, making it the 226th most popular boy name. Another 34 girls got the name (#4,171 for girls).
When was Kairo most popular?
Kairo peaked in 2025, when 1,577 boys were given the name. Its highest rank was #226 in 2025.
How many people are named Kairo?
11,519 babies have been named Kairo in the US since 1880. We estimate about 11,479 of them are alive in 2026, with a median age of 4.
Where is Kairo most popular?
From 2021 to 2025, Kairo was most common in District of Columbia, at 4.4 of every 1,000 boys born there.

Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.