Given name & surname

Castulo

Castulo is used as a given name and a surname.

Meaning & origin

A reliable meaning for Castulo isn’t established in our sources yet. Rather than guess, we show what is recorded: how the name is used, how often, and the names it’s connected to.

The story

Published U.S. birth records include this spelling as early as 1914. This is the earliest published observation available here, rather than a date for the name’s origin.

From dated birth records

Castulo through the years

Babies since 1880
116
116 boys · 0 girls
Most popular year
1924
9 babies
2025
0
Outside the ranked list
2021–25 vs 2016–20
—
Too few births to compare
051015192019401960198020002025Highest share 19140.0
Castulo in U.S. Social Security birth records, 1914–2025, per million boys born. Years with fewer than five births for a sex are not published and appear as zero. Use the arrow keys to step through years.

By the numbers

The most recent published U.S. birth count for boys is 5 in 2018. Later missing counts do not mean the name went unused. Its largest published annual count for boys was 9 in 1924. Published U.S. population figures for this spelling include 508 as a first name in 2020; 165 as a surname in 2020.

From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.

CastuloCasto

The ring: across languages.

Hover or tab through the constellation to see how each name is related. Bigger dots are names more people in the U.S. share.

Across languages 1

Equivalents and cognates in other languages, plus older forms it grew from.

Similar names

If you love Castulo, these share its style, era, origin or sound, from outside its own family.

 

Camillo

“a ceremonial attendant; a noble virgin” · “one who is born free; one who is noble”

21RareRising fast

>99% boys

 

Cosimo

“the order of the universe”

20RareRising

>99% boys

English · Old-fashioned

Carlyle

“from the fort at Luguvalium”

22RareEasing

82% boys · 18% girls

 

Constantino

“one who is steadfast; firm”

23RareRising

>99% boys

Slavic · Vintage revival

Casimir

“one who demands peace”

36RareRising fast

>99% boys

English

Caldwell

“of the cold well” · “from the cold spring”

20RareRising

>99% boys

Old-fashioned

Armond

“of the army; a soldier”

21RareEasing

>99% boys

Latin · Old-fashioned

Gaetano

“a man from Gaeta”

25RareSteady

>99% boys

Sibling ideas

Names that share Castulo’s feel without repeating its first letter or rhyming with it.

A brother for Castulo