boys' name ★ peaked 1998

Cecilio

Gender Boy Rank 2025 #8,374
Rank 2025
#8,374
among boys · ↓2,417 vs 2024
Babies in 2025
9
named Cecilio
How common
1 in 189,786
boys born in 2025
Peak year
1998
39 babies
All-time total
2,411
#2,945 all-time among boys
First recorded
1909
in Social Security records

Cecilio popularity over time

2,411 babies have been named Cecilio since 1909, 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
0.010.020.030.0418801900192019401960198020002020Peak 1909Boys

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 Boys Per year Change Best rank
1880s – – – –
1890s – – – –
1900s 5 1 – #1,489
1910s 84 8 +1580% #1,694
1920s 180 18 +114% #1,549
1930s 126 13 -30% #1,648
1940s 198 20 +57% #1,351
1950s 221 22 +12% #1,490
1960s 239 24 +8% #1,388
1970s 267 27 +12% #1,539
1980s 311 31 +16% #1,601
1990s 322 32 +4% #2,129
2000s 220 22 -32% #2,692
2010s 148 15 -33% #4,499
2020s (to 2025) 90 15 +1% #5,105

The story of Cecilio

Cecilio is rare for boys in the United States, ranked #8,374 in 2025 with 9 babies given the name. It is currently holding steady compared with a decade ago.

Since 1909, 2,411 American babies have been named Cecilio. Its peak came in 1998, when 39 newborns received the name, the signature sound of the 1990s.

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 Cecilio stood among all boys' names in any year, or use the compare tool to plot it against other names.

How old are people named Cecilio?

The median living Cecilio is about 40 years old; half are between 25 and 57. An estimated 1,800 people named Cecilio are alive in the United States today.

median 40 020406080100

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

Cecilio year by year

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

Year Boys Boys rank
2025 9 #8,374
2024 15 #5,957
2023 19 #5,105
2022 12 #6,900
2021 18 #5,149
2020 17 #5,285
2019 12 #6,849
2018 8 #8,968
2017 13 #6,380
2016 22 #4,499
2015 13 #6,392
2014 18 #5,097
2013 12 #6,668
2012 15 #5,761
2011 18 #5,013
2010 17 #5,286
2009 16 #5,600
2008 20 #4,742
2007 28 #3,703
2006 14 #5,831
2005 17 #4,857
2004 14 #5,541
2003 24 #3,642
2002 27 #3,276
2001 35 #2,692
2000 25 #3,318
1995 33 #2,358
1990 33 #2,177
1985 33 #1,800
1980 34 #1,698
1975 25 #1,896
1970 30 #1,548
1965 18 #1,866
1960 20 #1,820
1955 27 #1,490
1950 22 #1,576
1945 24 #1,351
1940 15 #1,812
1935 13 #2,044
1930 18 #1,764
1925 20 #1,749
1920 24 #1,549
1915 13 #2,087
1910 – –
1905 – –
1900 – –
1895 – –
1890 – –
1885 – –
1880 – –

Frequently asked questions

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

How old is the average Cecilio?

The median living Cecilio is about 40 years old. Half of all living Cecilios are between 25 and 57 years old.

How many people named Cecilio are alive today?

An estimated 1,800 people named Cecilio are alive in the United States, based on 2,411 recorded births and Social Security life tables.

How popular is the name Cecilio in 2025?

Cecilio ranked #8,374 among boys' names in the United States in 2025, with 9 babies given the name, according to Social Security Administration data.

How many people are named Cecilio?

2,411 babies have been named Cecilio in the United States since 1909, based on Social Security card applications.

When was the name Cecilio most popular?

Cecilio peaked in 1998, when 39 newborns received the name.

Is Cecilio a boy or girl name?

Cecilio is overwhelmingly a boy's name: 100% of babies with the name.

Is the name Cecilio rising or falling?

Cecilio has been roughly stable over the past decade.

Names like Cecilio

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

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