Holiday Calendar

National Charlie Day

Next celebratedWednesday, January 20, 2027

American parents gave Charlie to 19,715 boys and 20,939 girls over the last ten years, and no name that common sits closer to an even split. January 20 covers both columns.

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Last updated September 7, 2026 · by the Holiday Calendar TeamHave an update or spot an error?
YEARLY DATEJanuary 20
OBSERVED INInternationally
CATEGORYNames
ORIGIN

Community Origin

FOUNDING ENTITY
Not documented
FIRST OBSERVED
Not documented
HOW THE HOLIDAY CAME TO BE

Even the listings that publish it disclaim its origin.

No founder, sponsoring organisation or establishing record has been identified for National Charlie Day. It circulates on day-listing and greeting pages rather than through any organised campaign.

+ Know the story? Submit a founder Help us complete this holiday
INTRO

Sixteen names have gone to both sexes every year since 1881

National Charlie Day belongs to a name the American birth record has never sorted into one column. Only sixteen names are listed for both boys and girls in every single year from 1881 through 2025. Charlie is one of them.

Most of the other fifteen are nowhere near even now. Measured across the last ten years, William went to girls 0.10 percent of the time. Leslie went to girls 93.41 percent of the time.

Charlie is one of only two that did not follow them. In that same span American parents gave the name to 19,715 boys and 20,939 girls. No other American name given to as many babies over those ten years sits that close to the middle.

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ORIGINS

Charlie Day history

INTRODUCTION

Charlie is not only a name. Since 1956 it has been the code word for the letter C in the NATO phonetic alphabet. The route from a household short form to an international code word ran through three separate alphabets in fifteen years.

CHAPTER 01

Coca had the letter for five years

The United States adopted the Joint Army/Navy alphabet, called "Able Baker" after its first two code words, across all of its military branches in 1941. That list ran Able, Baker, Charlie, Dog, Easy.

Civil aviation then went a different way. A new IATA list came into effect on 1 November 1951 for civil aviation only, and it ran Alfa, Bravo, Coca, Delta, Echo.

NATO reviewed that list and asked for changes to five of its words, Coca among them. On 21 February 1956 NATO Allies were advised that the new alphabet was to take effect in NATO on 1 March. That list runs Alfa, Bravo, Charlie.

CHAPTER 02

Victor Charlie, then just Charlie

A code word spoken every day picks up uses nobody planned. Within a decade of the alphabet taking effect, American troops had a one-word name for the Viet Cong, and it was Charlie.

The Online Etymology Dictionary dates that sense to 1965 and says it was probably suggested by Victor Charlie, the military communication code for V.C.

The same entry keeps a longer list of jobs the word has held. A London night watchman in 1812. A goatee beard in 1834, from portraits of King Charles I, and a fox in 1857.

CHAPTER 03

The trail stops in October 2022

The observance itself leaves a far thinner record than the word does. Nobody has been identified as its author, and no organisation or campaign has been found running it.

In the Internet Archive, the earliest surviving page that carries the day is a listing captured in October 2022. That date is a floor on when it began circulating rather than a founding date, and the page itself states in its own history section that the origin is not known.

So January 20 arrives each year with a blank where its origin should be, attached to a name whose own record is documented down to the birth.

WHY THIS DAY MATTERS

Why National Charlie Day Matters

RADIO

Say a call sign aloud and the name is already in it.

Since 1 March 1956 the NATO alphabet has used Charlie for the letter C, and the ITU adopted it as the universal phonetic alphabet governing military, civilian and amateur radio. That puts a personal name inside the working vocabulary of anyone who has to spell a call sign out loud.

NAMING

A change in naming you can actually watch

Across the whole American record only 18.0 percent of Charlies are girls, so the near-even split of the last decade is recent rather than old. Sidney is the one other name of the sixteen that is still close to evenly split, and Charlie is more than twelve times its size.

EVIDENCE

The name is documented; the day is not

No founder, sponsoring body or establishing document has been identified for the observance, and the oldest listing that carries it says as much itself. What can be checked is the name, counted year by year in a federal dataset since 1880 and traced word by word in an etymological dictionary.

BY THE NUMBERS

National Charlie Day by the Numbers

184,280
US boys named Charlie, 1880 to 2025
40,359
US girls named Charlie, 1881 to 2025
145th
Charlie's 2025 US boys' ranking
133rd
Charlie's 2025 US girls' ranking

TIMELINE

Timeline

Charlie's best year in America

668 American boys got the name, taking twentieth place ahead of Clarence, which tied it at exactly 668.

Out of the boys' top 100

After fifty-six straight years inside it, Charlie slipped to 103rd among American boys.

Off the girls' top 1,000

The name dropped out of the thousand most common American girls' names, where it had sat since 1881.

Back on the girls' list

Charlie returned to the top 1,000 American girls' names after fifty-three years outside it.

Girls outnumber boys

For the first time in the national record, more American girls than boys were given the name.

Boys take it back

The count ran 2,460 boys to 2,160 girls, ending a nine-year run.

MYTH VS FACT

Common Misconceptions

The myth

Charles comes from the Old English word ceorl.

The truth

It reached English through French and Medieval Latin Carolus, from Middle High German Karl. Old English ceorl grew from the same Proto-Germanic source, which makes it a cousin of the name rather than its ancestor.

The myth

The word behind the name simply means free man.

The truth

Middle High German Karl means man, husband. Old English ceorl meant a peasant, one of the lowest class of freemen, a man without rank, and it is the source of the modern English word churl, while the same word reached the meaning king in Lithuanian, Czech and Polish by way of Charlemagne.

GET INVOLVED

How to Observe National Charlie Day

EDITOR'S PICK

Look the name up in the national birth data

The Social Security Administration publishes one file for every year since 1880, listing each name given to at least five babies of a sex. Find the year someone you know was born and read the row.

SPELL

Spell a name out loud in the NATO alphabet

Work through the code words on NATO's own history page and say your surname the way a pilot would. C is the one to listen for.

READ

Read the dictionary entry behind the name

The Online Etymology Dictionary entry for Charles traces the route from Middle High German through Latin and French. It is three lines long and it settles an argument most name sites get wrong.

ASK

Ask a Charlie how the name was chosen

Ask whether it is short for something longer, or whether it was the name on the certificate from the start. The answer varies far more than most people expect.

CHECK

Check the federal record for yourself

Search the Federal Register for the exact phrase and see what comes back. Comparing that result against a phrase like Loyalty Day shows the difference between an unofficial day and a recognised one.

Test your knowledge

How well do you know National Charlie Day?

1 / 8

How many names appear in both the boys' and the girls' side of the American birth record in every year from 1881 through 2025?

Answer

No. A search of the US Federal Register returns no document that creates or recognises it, and no official status has been found elsewhere. January 20 is a normal working day.

COLOPHON

Sources

How we know what’s on this page. References, not endorsements.

7sources
3primary records
2independently dated
Primary records
U.S. Social Security Administration2025 data release
Popular Baby Names: national data (names.zip)
One file for each year from 1880 to 2025 listing every first name given to at least five American babies of a sex, with the sex and the count. Every figure on this page about how many boys and girls received the name was computed from this dataset and checked twice by separate code paths.
View source
NATO
The NATO Phonetic Alphabet
NATO's own history of the spelling alphabet, tracing it from the ITU lists of the 1920s and 1930s through the 1941 Able Baker alphabet and the 1951 IATA alphabet to the version made effective on 1 March 1956. It names the five IATA code words NATO asked to change and quotes the declassified advisory that set the date.
View source
U.S. Office of the Federal Registerqueried 2026-09-01
Federal Register documents API
Full-text search of every document published in the Federal Register. A query for the exact phrase National Charlie Day returns no documents.
View source
Additional coverage
Online Etymology Dictionary
Charlie
The entry for the name as a word, dating its wartime use for the Viet Cong to 1965 and attributing it to the radio pair Victor Charlie. It also records the older senses the word has carried, from a London night watchman in 1812 to a goatee beard in 1834 and a fox in 1857.
View source
Online Etymology Dictionary
Charles
The line of descent for the formal name, running from Middle High German Karl, literally man and husband, through Medieval Latin Carolus and French into English. The linked entry for carl supplies the Old Norse and Old English relatives of the same root.
View source
Online Etymology Dictionary
Churl
The entry deriving modern English churl from Old English ceorl, a peasant and one of the lowest class of freemen, and noting that the same word arrived at the meaning king in Lithuanian, Czech and Polish by way of Charlemagne.
View source
Behind the Name
Meaning, origin and history of the name Charlie
A reference entry filing Charlie as both masculine and feminine in English usage and as a diminutive or feminine form of Charles, with its spelling variants and famous bearers.
View source
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