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Karlo

#3,702 in 2025Boys' name

Free man

Karlo has been given to 1,061 babies in the U.S. since 1959. In 2025 it ranked #3,702 of 13,926 boys’ names in use. Its peak year was 2010, with 39 recorded.

Babies named Karlo, 2025

1 in 111,000

Karlo over time, 1880–2025

Boys
01020304018801900192019401960198020002020

Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Karlo: meaning, origin, and history

Free man

Proto-Germanic

What Karlo means

Karlo means “free man”, associated with karlaz.

Origin, language, and formation

Karlo is used in Esperanto. Its origins include Proto-Germanic.

Karlo comes through Proto-Germanic *karlaz and Proto-Germanic *karilaz.

Related names and everyday forms

Related names include Charles.

Pronunciation and spelling

In Esperanto, Karlo is pronounced /ˈkarlo/.

American usage and historical context

In the United States, 1,061 boys were recorded with the name Karlo between 1959 and 2025. Its highest annual count was 39 in 2010; its best national rank was #2,773 in 1985.

Over 5 years its rank rose, from #5,137 in 2020 to #3,702 in 2025. Over 10 years its rank rose, from #5,870 in 2015 to #3,702 in 2025.

Sources & methodologyReferences, data & attribution

Meaning, origin, and language notes draw on the references below.

American popularity figures use published Social Security Administration records for this exact spelling. Counts below five for a name, sex, and year are omitted.

Wiktionary material is available under CC BY-SA 4.0.

How common is Karlo?

Everything below is computed from the 2025 data — the most recent year available.

Among all babies, 2025
1 in 111,000
30 of 3,315,165 births
Among boys only
1 in 56,900
<0.01% of boys
Rank, 2025
#3,702
of 13,926 boys’ names in use
Coin-flip room size
76,598 kids
Even odds of a second one

Where Karlo sits on the popularity scale

Rarest published (5 a year)#1 — Liam (20,818)

Chance at least one other child shares the name

If the other children were drawn at random from the 2025 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%
Class of 30Under 1%
Grade of 100Under 1%
School of 500Under 1%

Put another way: gather 76,598 children born in 2025 and it's an even bet that one of them is another Karlo. In a class of 30 the chance is Under 1%.

When Karlos were born

Half of everyone ever recorded as Karlo was born before 2006 — so the typical Karlo is around 19 today.

Median birth year
2006
About 19 years old
Biggest decade
2000s
25.6% of all use
Born in the last 25 years
64.5%
A modern name
Recorded since 1950
1,061
People you could plausibly meet
Choose a decade

2000s — 25.6% of all recorded uses (272).

Is Karlo rising or falling?

Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.

Rank vs 1 year ago
−278
Places dropped
Rank vs 5 years ago
+1,435
Places climbed
Rank vs 10 years ago
+2,168
Places climbed
Births vs 10 years ago
2.00×
More babies than then
Share of its own peak
76.9%
Peak was 2010 (39)
Years since peak
15
Years
Year-to-year steadiness
Shifting
24.7% average annual change
Best rank ever
#2,773
1985

Spellings of Karlo

Karlo is not the most common spelling — Carl is, with 29.6% against Karlo's 0.06%.

Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.

Where Karlo is used

Across 1910–2025, Karlo was most concentrated in California — about 1 in 100,000 boys, against 1 in 125,506 across all states with data. It was least common in New York (1 in —).

01 per 100,000

Most concentrated

  1. 1California1 in 100,000
  2. 2Texas1 in 100,000
  3. 3Florida1 in —
  4. 4New York1 in —

Shading is the share of that state's recorded boys given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings. Karlo has too little recent state data to map, so this covers all years from 1910.

Karlo around the world

Where Karlo ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.

  • England & Wales
    1997–2025
    #2,664
    in 2025
  • France
    2010–2010
    #6,291
    in 2010
  • Canada
    1997–2019
    #2,943
    in 2019
  • South Australia
    1958–2012
    #771
    in 2012

Popularity data from Office for National Statistics, Institut national de la statistique et des études économiques, Statistics Canada and Consumer and Business Services (South Australia). ONS data under Open Government Licence v3.0. INSEE data under Licence Ouverte / Etalab 2.0. StatCan data under Statistics Canada Open Licence. CBS SA data under CC BY 4.0.

Karlo by the numbers

The raw record for each sex the name is used for.

As a boy's name

Rank in 2025
#3,702
Trend vs 5 yrs ago
Up 1,435
Best rank ever
#2,773
1985
Peak year
2010
39 that year
First recorded
1959
Last recorded
2025
All-time count
1,061
Count in 2025
30

Names similar to Karlo

Matched on shared beginnings and endings, similar length, and comparable popularity.

KaranKaramKarasKarelKariKaronKarmaKarlosKartikKarolKarverKarlinKarinKarryKarsynKarmeloKarthikKareyKarimKarsenKarderKartierKarsinKaren

Sibling names for Karlo

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

Explore around Karlo

Top names of 2010, Karlo's peak yearThe 2010s in fullOther names that peaked in 1985Boys' names starting with KGeorgian Boy Names