Caius Boy

Popularity: #720 · Trend: ↗ Rising

Name Meaning & Origin Pronunciation: KYE-us //ˈkaɪ.əs//

Origin: Latin; Greek

Meaning: Latin: rejoicer; Greek: from the earth

Historical & Cultural Background

The name Caius has its roots in ancient Roman nomenclature, deriving from the Latin name 'Gaius', which is believed to stem from the Proto-Indo-European root *gʰei- meaning 'to rejoice' or 'to be glad'. The transition from Gaius to Caius is attributed to the phonetic evolution and regional variations in Latin, particularly during the late Roman Empire.

The name was commonly used in Roman society, often associated with notable figures, and it eventually made its way into various languages, including English, through the influence of Latin texts and the Christian tradition. Historically, Caius has been borne by several significant figures in Roman history, including Caius Julius Caesar, the famed general and statesman of the late Roman Republic.

The name also appears in early Christian texts, with Saint Caius, a pope in the 3rd century, contributing to its ecclesiastical significance. The name was further popularized in the Middle Ages through its use in various religious contexts and texts, including the Vulgate, the Latin translation of the Bible completed by Saint Jerome in the late 4th century, which helped disseminate Christian names throughout Europe.

Culturally, Caius has been associated with themes of joy and celebration, reflecting its etymological roots. The name has appeared in various literary works, including Shakespeare's plays, where it is often used to denote characters of nobility or significance.

The diminutive form 'Cai' has also emerged in some contexts, although Caius remains the more historically recognized version. Overall, the name Caius embodies a rich tapestry of historical, cultural, and linguistic significance, reflecting its enduring legacy from ancient Rome through the medieval period and into modern times.

Famous people named Caius

In this section, you will find notable people named Caius. We include individuals across a wide range of fields, including actors known for their work in film, television, and stage productions. You'll also find musicians, directors, and other public figures named Caius who have made a significant impact on popular culture.

We also feature individuals named Caius who have made meaningful contributions to science, politics, athletics, literature, and other areas of public interest.

Please note that not every baby name in our database currently has a famous namesake listed. If you would like to suggest a name we may have missed or submit a correction, feel free to contact us. We review and finalize additions and corrections within 24 hours.

Caius Julius Caesar is a military general and statesman best known for his role in the events that led to the demise of the Roman Republic and the rise of the Roman Empire.

Fictional characters named Caius

The following list of fictional characters named Caius is a work in progress. If you would like to suggest an additional character, please send us the character's name along with a brief, one-sentence description of what they are best known for.

You may also submit corrections, which we will review and update as quickly as possible.

Caius is a fictional character from the video game series Final Fantasy. He is a prominent antagonist in Final Fantasy XIII-2, known for his role as a powerful and manipulative figure in the game's narrative.

Sibling suggestions

If you're looking for sibling name ideas that pair well with Caius, the following options are frequently chosen as complementary choices by parents.

U.S. Historical Usage

The name Caius was first seen in the United States in 1994.

Caius has ranked as high as #1155 nationally, which occurred in 2024, and has been most popular in California, Texas, New York, Florida, and Pennsylvania.

In the past 5 years the name Caius has been trending up compared to the previous 5 years.

Popularity Over Time (National)

The name Caius is part of our comprehensive baby names database, which includes Social Security Administration (SSA) data dating back to 1880—the first official year of state and national tracking. The chart below shows when Caius was first recorded in the United States and illustrates how its popularity has risen and fallen over time.

Top States for Caius (2024)

We track the most popular states for each baby name every year and highlight the locations where the name appears most frequently. In some cases, you may see four or five states listed. However, we only display states where the name represents a significant percentage of births, so the number of states shown can range from one to several.

State Births Share
CA 24
18%
TX 13
10%
OH 9
7%
FL 9
7%
VA 8
6%
PA 7
5%
MN 7
5%
AL 7
5%
OK 6
4%
SC 6
4%
MI 6
4%
TN 6
4%
NY 6
4%
IL 5
4%
KS 5
4%

Popularity Over Time (National) — Table

We track the national popularity of each baby name annually. The table below displays each year along with the number of births reported by the Social Security Administration. This data combines all state-level reporting from the SSA's baby names database to provide a comprehensive view of overall birth counts for Caius.

YearBirths
2024205
2023140
2022150
2021138
2020156
2019137
2018130
2017110
2016153
2015138
2014124
2013109
201274
201144
201049
200943
200827
200729
200615
200523
200414
200315
200213
200116
200010
19997
19945