Given name

Kaarlo

“a free man”

Kaarlo is a variant of Karl. One German interpretation is “a free man.”

Meaning & origin

What it means

Kaarlo is a variant of Karl. One German interpretation is “a free man.”

Explained through its name family

Where it comes from

Kaarlo is a variant of Karl. An origin associated with Karl is German.

Explained through its name family

The story

Published U.S. birth records include this spelling as early as 1919. This is the earliest published observation available here, rather than a date for the name’s origin.

From dated birth records

Kaarlo through the years

Babies since 1880
5
5 boys · 0 girls
Most popular year
1919
5 babies
2025
0
Outside the ranked list
2021–25 vs 2016–20
—
Too few births to compare
0246192019401960198020002025Highest share 19190.0
Kaarlo in U.S. Social Security birth records, 1919–2025, 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 1919. Later missing counts do not mean the name went unused.

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

Kaarlo’s family of names

In Finnish usage, Kaarlo has a diminutive in KALLU. In Finnish usage, Kaarlo has a conventional equivalent in the English form Charles. In Finnish usage, Kaarlo has a conventional equivalent in the Portuguese form Carlos.

Walk Kaarlo’s family in the name graph

KaarloKarlKalleKalluKaarleCharlesCarlosCarlCharel

Inner ring: nicknames and forms · outer: 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.

Around the world

Kaarlo has relatives in 4 languages.

Finnish

5 related names in 4 languages. Point at a dot, or tab to the map and use the arrow keys.

Each dot marks where a language is rooted, not where people with the name live today. Bigger dots hold more names. Language locations from Glottolog (CC BY 4.0); map from Natural Earth.

Nicknames & forms 4

Diminutives, pet forms, short forms and variants used alongside the name.

Across languages 4

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

Similar names

If you love Kaarlo, 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

English · Old-fashioned

Carlyle

“from the fort at Luguvalium”

22RareEasing

82% boys · 18% girls

English

Caldwell

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

20RareRising

>99% boys

German

Arno

“an eagle-wolf”

25RareRising

>99% boys

Slavic · Vintage revival

Casimir

“one who demands peace”

36RareRising fast

>99% boys

Scottish

Parley

“one who negotiates” · “a reluctant man”

19Very rareEasing

93% boys · 7% girls

Old-fashioned

Albin

“from the white hill white-” · “from the white hill; whiteskinned”

19Very rareCooling

>99% boys

Basque

Vasco

“resembling a crow”

19Very rareRising fast

>99% boys

Sibling ideas

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

A brother for Kaarlo

A sister for Kaarlo