Kailo: Name Popularity, History & Rankings (1880

Rank 2025

#1,953

among boys · ↑293 vs 2024

Babies in 2025

named Kailo · +23% vs 2024

How common

1 in 21,621

boys born in 2025

Peak year

2022

99 babies

All-time total

600

#7,191 all-time among boys

First recorded

2010

in Social Security records

Kailo popularity over time

600 babies have been named Kailo since 2010, 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

BoysGirls

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	–	–	–	–	–	–
1990s	–	–	–	–	–	–
2000s	–	–	–	–	–	–
2010s	–	99	99	10	–	#3,393
2020s (to 2025)	17	484	501	84	+743%	#1,766

Where Kailo is heading

A five-year projection from the recent trend in births per 1,000 boys (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 boys	Implied rank
2026	90	0.05	outside top 500
2027	101	0.06	outside top 500
2028	111	0.07	outside top 500
2029	121	0.07	outside top 500
2030	130	0.08	outside top 500

Where Kailo is most popular

Boys named Kailo per 1,000 boys born in each state, 2021–2025. National average: 0.048 per 1,000. Strongest in Florida, California, and Ohio.

Vs national average

well below below near national above well above no data

All 50 states and DC, sorted by rate. Counts are boys named Kailo born 2021–2025; the per-1,000 rate makes states of different sizes comparable, and the last column shows each state against the national average.

State	Boys 2021–2025	Per 1,000	vs national
Florida	44	0.093	+95%
California	53	0.058	+22%
Ohio	13	0.049	≈ national
Texas	39	0.044	-7%
Colorado	5	0.039	-19%
Arizona	5	0.031	-36%
New York	10	0.023	-52%
Pennsylvania	5	0.019	-61%
Alaska	–	–	–
Alabama	–	–	–
Arkansas	–	–	–
Connecticut	–	–	–
District of Columbia	–	–	–
Delaware	–	–	–
Georgia	–	–	–
Hawaii	–	–	–
Iowa	–	–	–
Idaho	–	–	–
Illinois	–	–	–
Indiana	–	–	–
Kansas	–	–	–
Kentucky	–	–	–
Louisiana	–	–	–
Massachusetts	–	–	–
Maryland	–	–	–
Maine	–	–	–
Michigan	–	–	–
Minnesota	–	–	–
Missouri	–	–	–
Mississippi	–	–	–
Montana	–	–	–
North Carolina	–	–	–
North Dakota	–	–	–
Nebraska	–	–	–
New Hampshire	–	–	–
New Jersey	–	–	–
New Mexico	–	–	–
Nevada	–	–	–
Oklahoma	–	–	–
Oregon	–	–	–
Rhode Island	–	–	–
South Carolina	–	–	–
South Dakota	–	–	–
Tennessee	–	–	–
Utah	–	–	–
Virginia	–	–	–
Vermont	–	–	–
Washington	–	–	–
Wisconsin	–	–	–
West Virginia	–	–	–
Wyoming	–	–	–

State counts come from the Social Security Administration's state files, which omit any state-year with fewer than five babies of a name, so small states can undercount slightly.

The story of Kailo

Kailo is rare for boys in the United States, ranked #1,953 in 2025 with 79 babies given the name. It is currently rising compared with a decade ago.

Since 2010, 600 American babies have been named Kailo. Its peak came in 2022, when 99 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 Kailo stood among all boys' names in any year, or use the compare tool to plot it against other names.

How old are people named Kailo?

The median living Kailo is about 3 years old; half are between 2 and 5. An estimated 600 people named Kailo are alive in the United States today.

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

Kailo 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	–	–	79	#1,953
2024	–	–	64	#2,246
2023	–	–	90	#1,792
2022	5	#16,441	94	#1,766
2021	6	#14,308	85	#1,828
2020	6	#14,239	72	#1,987
2019	–	–	34	#3,393
2018	–	–	23	#4,424
2017	–	–	10	#7,861
2016	–	–	15	#5,917
2015	–	–	–	–
2014	–	–	5	#13,050
2013	–	–	–	–
2012	–	–	–	–
2011	–	–	6	#11,554
2010	–	–	6	#11,461
2009	–	–	–	–
2008	–	–	–	–
2007	–	–	–	–
2006	–	–	–	–
2005	–	–	–	–
2004	–	–	–	–
2003	–	–	–	–
2002	–	–	–	–
2001	–	–	–	–
2000	–	–	–	–
1995	–	–	–	–
1990	–	–	–	–
1985	–	–	–	–
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 Kailo, drawn from the same Social Security data as the charts above.

How old is the average Kailo?

The median living Kailo is about 3 years old. Half of all living Kailos are between 2 and 5 years old.

How many people named Kailo are alive today?

An estimated 600 people named Kailo are alive in the United States, based on 600 recorded births and Social Security life tables.

How popular is the name Kailo in 2025?

Kailo ranked #1,953 among boys' names in the United States in 2025, with 79 babies given the name, according to Social Security Administration data.

How many people are named Kailo?

600 babies have been named Kailo in the United States since 2010, based on Social Security card applications.

When was the name Kailo most popular?

Kailo peaked in 2022, when 99 newborns received the name.

Is Kailo a boy or girl name?

Kailo is overwhelmingly a boy's name: 97% of babies with the name.

Is the name Kailo rising or falling?

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

Will Kailo become more popular?

Kailo is trending upward. If the recent trend holds, we project roughly 130 boys named Kailo in 2030, which would rank outside the top 500. Forecasts assume the current trend continues and become less certain further out.

Names like Kailo

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

Compare Kailo with similar names → More names starting with K →