Holiday Calendar

National Marc Day

Next celebratedThursday, February 11, 2027

America registered 162 boys named Marc in 2025; Catalonia, one region of Spain, registered 371. February 11 is an American day for a spelling other languages never stopped using.

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Last updated September 7, 2026 · by the Holiday Calendar TeamHave an update or spot an error?
YEARLY DATEFebruary 11
OBSERVED INUnited States
CATEGORYNames
ORIGIN

Community Origin

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

The paper trail is one listing page from 2024.

No founder or formal establishment record has been identified for National Marc Day. The earliest archived listing of the day was captured in February 2024, which dates that listing rather than the observance.

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

An American holiday for a name Catalonia kept

In 2025 the Social Security Administration recorded 162 American boys named Marc. Catalonia's statistics office counted 371 in that same year, in one region of Spain.

National Marc Day is an American observance. Of the three registries that count the name, only the Catalan one still had it near the top in 2025.

Marc is not a misspelling and not a nickname. It has its own line in each of those official birth records, and the line looks different in every one.

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ORIGINS

Marc Day history

INTRODUCTION

Marc arrived late in the United States. The Social Security Administration has published a file for every birth year since 1880, and Marc is missing from twenty-nine of the first thirty-two.

When it finally appears, six boys carry it. That is the whole American record of the name at the turn of the century.

CHAPTER 01

Nine years at the top of the list

The climb was slow. Marc did not reach the American top 100 until 1968, when it placed 84th among boys.

Two years later it hit 60th. Then it turned, and by 1976 it had slipped to 99th and out.

Across the entire 1880 to 2025 series, those are the only nine years Marc spent inside the American top 100. Nothing before, nothing after.

CHAPTER 02

A different curve in France

France ran its own version of the story, and ran it earlier. Insee's file, which covers births from 1900, puts Marc's high point in 1959, at 17th.

By 2025 the name had fallen to 380th there. France crested in 1959, and the United States would not crest until 1970.

CHAPTER 03

The day, and what is not under it

National Marc Day has no such paper trail. No founder, no proclamation and no establishment record of any kind has been identified for it.

What survives instead is an archived listing page from early 2024, held by the Internet Archive. A listing dates a listing, and says nothing about when a day began.

So the observance rests on a name with a deep documentary record and an origin with none at all. The registries kept counting either way.

TIMELINE

Timeline

The name enters the American record

The Social Security Administration's 1901 file is the first to list Marc at all. It is the earliest point in the American record of the name.

France reaches its high point

Marc ranked 17th among French boys born that year, its largest recorded count in Insee's series. No later year in the file matches it.

Marc enters the American top 100

Marc placed 84th among American boys, the first time it had ever reached the top 100. Both ranking conventions in use give the same place.

The American peak

Marc reached 60th, the highest it has placed in any year of the 1880 to 2025 series. The decline began the following year.

The last top 100 year

Marc finished 99th and dropped out. It has not reappeared in the top 100 in any file through 2025.

Catalonia's series opens with Marc first

Idescat's newborn-name record begins in 1997, and Marc sits at the top of it. That year it was registered 1,484 times.

BY THE NUMBERS

National Marc Day by the Numbers

5,009
Marc's US peak, 1970 births
140,604
US boys named Marc, 1880-2025
6,640
Marc's French peak, 1959 births
238,230
French boys named Marc, 1900-2025

GOOD TO KNOW

National Marc Day Around the World

Catalonia

the most common boys' name in every year from 1997 through 2021, twenty-five in a row, and third again in 2025 at 13.24 per 1,000 newborn boys

Five Catalan comarques

Alt Penedes, Baix Ebre, Girones, Montsia and Pla d'Urgell, where Marc was still the most-given boys' name in 2025; the Alt Penedes rate of 33.04 per 1,000 newborn boys was the highest anywhere

France

130 boys were registered with the name in 2025, the thin tail of a curve Insee has tracked since 1900

WHY THIS DAY MATTERS

Why We Love National Marc Day

RECORDS

Zero Federal Register documents. Three national statistical series.

Statistical agencies in the United States, France and Catalonia each publish Marc's numbers every year. No document in the Federal Register has ever carried the phrase National Marc Day.

LANGUAGE

One spelling of a much older name

The standard reference entry for the name runs two sentences. Behind the Name gives Marc three usages, French, Catalan and Welsh, and one named bearer.

AUTHORSHIP

Nobody is running it

No sponsoring organisation, registrar or campaign was found behind the observance. Nothing on the record says who keeps it, or why the date falls where it does.

GET INVOLVED

How to Celebrate National Marc Day

EDITOR'S PICK

Look up the year your Marc was born

The agency's national name data are broken out one year at a time, back to 1880. Find the right year and see how many boys shared the name.

COMPARE

Compare the name in the French and Catalan registries

Insee has published France's counts since 1900 and Idescat has published Catalonia's since 1997. The same four letters have a completely different shape in each.

ASK

Ask a Marc where the spelling came from

The registries count the name but record nothing about where any one of them came from. That part only exists in the family.

HEAR

Hear the two ways the name is said

Behind the Name gives Marc a French pronunciation and a Catalan one. The four letters are identical and the sound is not.

GIVE

Give the name its own day at the table

A name day is a second date that everyone sharing the name can keep. Dinner, a card or a phone call all count.

Test your knowledge

How well do you know National Marc Day?

1 / 8

In which year does Marc first appear in the Social Security Administration's data?

Answer

No. It is an unofficial observance with no legal standing anywhere it has been checked, so schools, banks and offices stay open.

COLOPHON

Sources

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

8sources
7primary records
7independently dated
Primary records
Social Security Administration2025
Popular Baby Names: Beyond the Top 1000 Names
Every US first name given to at least five babies a year, 1880 onward.
View source
Insee2026-07
Fichier des prenoms, edition 2025
French first-name counts from 1900 to 2025, rounded to the nearest five.
View source
Idescat2025
Noms dels nadons: MARC (nen). Evolucio, Catalunya 1997-2025
Marc's Catalan frequency, rank and rate per 1,000, year by year since 1997.
View source
Idescat2025
Noms dels nadons: MARC (nen). Per comarques i Aran, 2025
The 2025 breakdown of the name Marc across Catalonia's comarques.
View source
Idescat2025
Anuari estadistic de Catalunya: Noms mes frequents dels nadons
Catalonia's full 2025 top-20 newborn names with rates per 1,000.
View source
Federal Register2026
Documents API
Full-text search across every document published in the Federal Register.
View source
Nominis, Eglise catholique en France2026
25 Avril
The French Catholic name-day calendar entry listing Marc on 25 April.
View source
Additional coverage
Behind the Name
Meaning, origin and history of the name Marc
The reference entry filing Marc as the French, Catalan and Welsh form of Marcus.
View source
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