Baby Names US
Unisex name ★ peaked 2025

Colbi

Gender Unisex · 90% girls Rank 2025 #4,681 Trend ↑ Rising 48%
Rank 2025
#4,681
among girls · ↑5,017 vs 2024
Babies in 2025
29
named Colbi
How common
1 in 55,423
girls born in 2025
Peak year
2025
29 babies
All-time total
669
#10,552 all-time among girls
First recorded
1985
in Social Security records

Colbi popularity over time

669 babies have been named Colbi since 1985, according to official Social Security records. Switch measure to see births per year or the yearly rank.

Measure
Births per 1,000 babies of that sex, comparable across eras
0.010.010.020.0218801900192019401960198020002020GirlsBoys
GirlsBoys

By decade. Change compares yearly averages, so the current partial decade is on equal footing. Best rank is the name's best yearly rank within the decade.

Decade Girls Boys Total Per year Change Best rank
1880s – – – – – –
1890s – – – – – –
1900s – – – – – –
1910s – – – – – –
1920s – – – – – –
1930s – – – – – –
1940s – – – – – –
1950s – – – – – –
1960s – – – – – –
1970s – – – – – –
1980s 56 – 56 6 – #5,119
1990s 130 16 146 15 +161% #4,710
2000s 142 41 183 18 +25% #5,625
2010s 163 7 170 17 -7% #5,459
2020s (to 2025) 109 5 114 19 +12% #4,681

Where Colbi is heading

A five-year projection from the recent trend in births per 1,000 girls (damped so it flattens over time), converted to babies at today's birth totals. The implied rank places that projection in the 2025 field. A projection, not a promise: real trends bend.

Year Projected babies Per 1,000 girls Implied rank
2026 32 0.02 outside top 500
2027 34 0.02 outside top 500
2028 36 0.02 outside top 500
2029 38 0.02 outside top 500
2030 40 0.02 outside top 500

The story of Colbi

Colbi is rare for girls in the United States, ranked #4,681 in 2025 with 29 babies given the name. It is currently rising compared with a decade ago.

Since 1985, 669 American babies have been named Colbi, about 90% girls and 10% boys, making it a genuinely unisex name. Its peak came in 2025, when 29 newborns received the name, the signature sound of the 2020s.

The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Colbi stood among all girls' names in any year, or use the compare tool to plot it against other names.

How old are people named Colbi?

The median living Colbi is about 18 years old; half are between 10 and 28. An estimated 700 people named Colbi are alive in the United States today.

median 18 020406080100

Estimated from births per year and Social Security period life tables; an approximation of the living age distribution, by age in years.

Colbi year by year

Every year since 2001, and five-year steps back to 1880. Rank is within each sex.

Year Girls Girls rank Boys Boys rank
2025 29 #4,681 – –
2024 10 #9,698 – –
2023 16 #7,001 – –
2022 19 #6,269 – –
2021 18 #6,461 5 #12,494
2020 17 #6,698 – –
2019 12 #8,707 – –
2018 8 #11,631 – –
2017 11 #9,458 – –
2016 18 #6,717 – –
2015 14 #8,103 – –
2014 21 #6,033 – –
2013 16 #7,473 – –
2012 17 #7,213 – –
2011 21 #6,194 7 #9,818
2010 25 #5,459 – –
2009 14 #8,543 – –
2008 22 #6,176 5 #12,870
2007 15 #8,192 – –
2006 7 #13,914 – –
2005 7 #13,319 5 #11,764
2004 11 #9,393 7 #9,119
2003 13 #8,093 5 #11,202
2002 15 #7,132 7 #8,621
2001 20 #5,625 5 #10,882
2000 18 #5,996 7 #8,346
1995 21 #4,710 6 #7,969
1990 15 #5,888 – –
1985 9 #7,067 – –
1980 – – – –
1975 – – – –
1970 – – – –
1965 – – – –
1960 – – – –
1955 – – – –
1950 – – – –
1945 – – – –
1940 – – – –
1935 – – – –
1930 – – – –
1925 – – – –
1920 – – – –
1915 – – – –
1910 – – – –
1905 – – – –
1900 – – – –
1895 – – – –
1890 – – – –
1885 – – – –
1880 – – – –

Frequently asked questions

Quick answers about Colbi, drawn from the same Social Security data as the charts above.

How old is the average Colbi?

The median living Colbi is about 18 years old. Half of all living Colbis are between 10 and 28 years old.

How many people named Colbi are alive today?

An estimated 700 people named Colbi are alive in the United States, based on 669 recorded births and Social Security life tables.

How popular is the name Colbi in 2025?

Colbi ranked #4,681 among girls' names in the United States in 2025, with 29 babies given the name, according to Social Security Administration data.

How many people are named Colbi?

669 babies have been named Colbi in the United States since 1985, based on Social Security card applications.

When was the name Colbi most popular?

Colbi peaked in 2025, when 29 newborns received the name.

Is Colbi a boy or girl name?

Colbi is used for both: about 90% of babies named Colbi have been girls and 10% boys.

Is the name Colbi rising or falling?

Colbi is on the rise, noticeably more popular now than a decade ago.

Will Colbi become more popular?

Colbi is trending upward. If the recent trend holds, we project roughly 40 girls named Colbi in 2030, which would rank outside the top 500. Forecasts assume the current trend continues and become less certain further out.

Names like Colbi

Names that sound and feel close to Colbi: shared sounds, similar era, similar popularity. Each links to its full history.

Compare Colbi with similar names → More names starting with C →