Chi Boy & girl

How popular is Chi?

#6,545 girl name in 2025

17 baby girls were named Chi in the US in 2025, making it the 6545th most popular girl name. Another 9 boys got the name (#8,239 for boys).

Compare with other names
1,287living people named Chi (est.)
35median age of people named Chi
1,326babies named Chi since 1880
1 in 127,513US babies born in 2025

Chi popularity over time

02040 18801900192019401960198020002020

Boys Girls

Rank in 2025#6,545 for girls (▼ 154 from 2024)
Babies in 202517 girls, 9 boys
10-year trendRising fast (+70% babies vs 2015)
Earlier ranks#10,143 in 2015, #6,625 in 2020
Peak year2023 (32 girls)
Highest rank#2,506 in 1973
First recorded1970
Boys vs girls (last 10 years)37% boys, 63% girls
Chance a classmate shares it0.0% in a class of 25 kids born in 2025

Chi counting every spelling

Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Chi family of names ranked #3,706 for girls in 2025 (#4,128 the year before), with 22 babies in all.

SpellingGirls in 2025Share
Chi 17 77%
Chy 5 23%

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 Chi is most popular

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

  1. Florida: 0.0 per 1,000 (6 girls)
  2. California: 0.0 per 1,000 (5 girls)

Chi by decade

DecadeBaby girlsBest rank
1970s159#2,506
1980s192#3,171
1990s125#4,115
2000s65#7,495
2010s91#6,410
2020s131#4,361

Girl names about as popular as Chi

Questions

Is Chi a boy or girl name?
Chi is used for both. Over the last 10 years, 37% of babies named Chi were boys and 63% were girls.
How popular is the name Chi?
17 baby girls were named Chi in the US in 2025, making it the 6545th most popular girl name. Another 9 boys got the name (#8,239 for boys).
When was Chi most popular?
Chi peaked in 2023, when 32 girls were given the name. Its highest rank was #2,506 in 1973.
How many people are named Chi?
1,326 babies have been named Chi in the US since 1880. We estimate about 1,287 of them are alive in 2026, with a median age of 35.
Where is Chi most popular?
From 2021 to 2025, Chi was most common in Florida, at 0.0 of every 1,000 girls 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.