MallowbyNames

Cait

KAYT · Of uncertain origin; possibly a diminutive of Catherine (from Greek katharos, meaning 'pure') or an Irish variant of Caitlin.

Peak popularity
2005
Usually for
Girls
Trend
Holding steady

Holding steady.

Popularity of Cait since 2000

Babies named Cait per year in U.S. Social Security records.

51116200020102020Most births 2005Girls
Data table (by decade)
DecadeGirls
2000s94
2010s46
2020s13

Meaning & origin

Cait is a short, crisp name that gained modest use in the early 2000s, first recorded in U.S. data in 2000. Its peak year was 2005, after which its trajectory has been stable, suggesting a steady but niche appeal. Although Cait's origins are not fully certain, it is most commonly understood as a streamlined variant of Caitlin or Catherine, connecting it to the long history of the 'pure' meaning. Because the name is rare, there is no recent one-in-N statistic available, and no top states have been recorded for its usage. For parents seeking a simple Irish-flavored alternative to Caitlin or Kate, Cait offers a modern, unadorned option.

Cait is a short form or variant of Caitlin, itself an Irish form of Catherine. Catherine derives from the Greek Aikaterine, which has been linked to the word katharos ('pure') since early Christian times. Cait has been used independently in English-speaking countries since the late 20th century, often as a simplified spelling.

Cait” around the world

Where Cait lands in the latest official birth statistics abroad, matched to the U.S. spelling.

  • Ireland

    19

    babies in 2025

Sources: CSO Ireland (Ireland).

Nicknames & variants

Variants: Cate, Kate, Kait

Sibling names for Cait

Names that share Cait's style, for a brother or sister.

Sisters: Niamh, Maeve, Aoife, Erin, Bridget

Brothers: Sean, Declan, Finn, Liam, Kieran

A parent animal hugging its little one, the personalized name page

C is for Cait, our favorite little girl.

C is for Cait…”

In a Mallowby alphabet book, Cait's letter becomes Cait's page: hand-illustrated, printed hardcover or paperback, made just for them.

Make Cait's book

Books for siblings or grandkids? The second book is 15% off.

Questions parents ask

What does the name Cait mean?
Cait is often considered a short form of Catherine, which is traditionally linked to the Greek word katharos, meaning 'pure.' However, the etymology is debated, and Cait may also derive from the Irish name Caitlin.
How popular is Cait today?
Cait first appeared in U.S. records in 2000 and reached its peak popularity in 2005. It has since remained stable but is uncommon, typically ranking outside the top 1000 in recent years.
Is Cait a boy's or girl's name?
Cait is almost exclusively used as a girl's name.