First Name
in the U.S.
since 1880
Last Name
in the U.S.
in 2010
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How to Pronounce Caius

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Meaning and Origin

What does the name Caius mean? Find out below.

Origin and Meaning of Caius

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From Etruscan 𐌂𐌀𐌉𐌄 (Caie), from an era when the letter C represented the phonetic value /ɡ/.

  1. (archaic or hypercorrect) Alternative form of Gaius

Notable Persons Named Caius

Caius was a pope. He died on April 22nd, 0296.


Caius Gabriel Cibber is an artist. Caius was born in Flensburg.


He passed away in 140.


Caius was born on April 25th, 1879. He died in 1953.


Notable Persons With the Last Name Caius

Caius was a pope. He died on April 22nd, 0296.


John Caius was a scientist in the field of medicine. John was born on October 6th, 1510 in Norwich. He passed away on July 29th, 1573.


Thomas was born in England. He breathed his last breath in 1572.


How popular is the baby name Caius in the U.S.?

Click Here to Show Chart Data
Year Total Babies Born Girls Born Boys Born
1994 5 0 5
1999 7 0 7
2000 10 0 10
2001 16 0 16
2002 13 0 13
2003 15 0 15
2004 14 0 14
2005 23 0 23
2006 15 0 15
2007 29 0 29
2008 27 0 27
2009 43 0 43
2010 49 0 49
2011 44 0 44
2012 73 0 73
2013 109 0 109
2014 124 0 124
2015 138 0 138
2016 151 0 151
2017 108 0 108

Where is the name Caius popular?

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Popularity of Caius as a first name

The map shows the absolute popularity of the name Caius as a first name in each of the states. See other popular names in California, Texas, or Pennsylvania.

Fun Facts about the name Caius

  • How Popular is the name Caius? Caius is the 10,476th most popular name of all time.
  • How many people with the first name Caius have been born in the United States? From 1880 to 2017, the Social Security Administration has recorded 1,013 babies born with the first name Caius in the United States. That's more than enough people named Caius to occupy the territory of Niue (New Zealand) with an estimated population of 1,000 (as of July 1, 2012).
  • What year were 5 or more babies first named Caius? The name was first given to 5 or more babies in the year 1994 when it was given as a first name to 5 new born babies.
  • When was Caius first recorded in the United States? The oldest recorded birth by the Social Security Administration for the first name Caius is Wednesday, October 12th, 1870.
  • What year had the most people named Caius born? The highest recorded use of the first name Caius was in 2016 with a total of 151 babies.
  • Random Caius Factoid: According to the 2017 U.S. Social Security Administration data, the first name Caius is not a popular baby boy's name in California. Imagine that, only 9 babies in California have the same name as you in 2017.
  • Weird things about the name Caius: Your name in reverse order is Suiac. A random rearrangement of the letters in your name (anagram) will give Csiau. How do you pronounce that?

What Caiuss Have Visited This Page?

Name poster for Caius

Name poster for Caius(click to save the high quality version)

Most Popular Names

All Name Lists

  • Sources:
  • U.S. Census Bureau: Frequently Occurring Surnames from the Census 2000 (public domain).
  • U.S. Social Security Administration: Popular Baby Names, Death Master File (public domain).
  • Wiktionary: Titles and License.
  • Notable persons via Wikipedia: Titles and License. Click each image for the attribution information.