How rare is the name Cecilio?

5,081 people in the United States have the first name Cecilio, about 1 in 59,443. It ranks #3,866 of 53,615 first names in the 2020 Census, tied with 2 others.

first name

CECILIO

#3,866

of 53,615 first names recorded in the 2020 Census

People
5,081
About
1 in 59,443
This common or more
83.2%
Who bears it

Of the 5,081 people named Cecilio, 90.8% reported their origin as Hispanic or Latino, 6.3% as Asian or Pacific Islander and 1.5% as White. 99.2% are male. These count how people described themselves on the 2020 Census, not where the name comes from.

Cecilio peaked in 1998, when 39 babies got the name.

Births per year, SSA records 1880–2025
19092025
Peak year
1998
Births that year
39
In 2025*
9 ▼77%
Recorded as
almost entirely male

At least 2,411 babies have been given the name since 1909. Years SSA withheld, because fewer than 5 were born, are skipped rather than drawn as zero. * 2025 is the newest year published and it undercounts: a card application is filed some time after a birth.

Cecilio by decade

Among all names given to American babies, its best decade was the 1940s, when it ranked #3,399. The largest share of babies named Cecilio, 20.5%, were born between 1981 and 1996, as millennials.

1900s#4,9315
1910s#4,56384
1920s#3,721180
1930s#4,106126
1940s#3,399198
1950s#3,742221
1960s#3,959239
1970s#4,463267
1980s#4,722311
1990s#5,766322
2000s#9,446220
2010s#13,018148
2020s#12,47090
Greatest Generation 1901–2710%
Silent Generation 1928–4511.2%
Baby boom 1946–6417.3%
Generation X 1965–8017.6%
Millennials 1981–9620.5%
Generation Z 1997–1215.5%
2013 and later7.8%

Rank counts both sexes together, among every name SSA recorded that decade; the number under it is births. The 2020s run only to 2025. Generation years follow Pew Research Center, which has not named a generation after 2012.

Where Cecilio is most common

Compared with all babies born in each state since 1910, Cecilio has been most common in Texas (8.6×), California (2.4×), and New York (0.95×), and least common in New York (0.95×).

1,323 births recorded by state, 1910–2025. 2× means twice as common as nationally. States with fewer than 30 such births are left blank, and SSA withholds any year with fewer than 5 in a state, so small states read low.

Exactly as common as Cecilio

2 other first names also have 5,081 people.

#3,866 Kam · 5,081#3,866 Sommer · 5,081

Either side of Cecilio

#3,864 Joi · 5,086#3,865 Hezekiah · 5,084#3,866 Kam · 5,081#3,866 Sommer · 5,081

Spelled almost the same

8 first names in the 2020 Census spelled within a letter or two of Cecilio, most common first.

#517 Cecilia · 109,389#1,101 Cecil · 37,487#1,226 Cecelia · 31,176#2,512 Cecile · 9,689#3,074 Cecily · 7,194#10,167 Cecila · 1,325#10,917 Cecille · 1,198#14,701 Cesilia · 797

Also a last name

As a last name, Cecilio ranks #28,136 of 156,621, with 903 people. See Cecilio as a last name

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