MallowbyNames

Kae

KAY · Of uncertain origin; possibly a variant of Kay or a diminutive of names like Katherine, or a standalone name.

Peak popularity
1937
Usually for
Girls
Trend
Holding steady

Holding steady.

Popularity of Kae since 1923

Babies named Kae per year in U.S. Social Security records. Raw births topped out in 1953, but relative to how few babies were recorded back then, Kae's real moment was 1937.

9172619602000Most births 1953Girls
Data table (by decade)
DecadeGirls
1920s5
1930s108
1940s195
1950s203
1960s116
1970s26
1980s24
1990s20
2000s20
2010s11
2020s25

Meaning & origin

The name Kae is a short, simple name that saw its highest usage in the late 1930s, peaking in 1937, according to U.S. Social Security data. However, its first recorded appearance dates back to 1923, and its trajectory has been stable but extremely low, with no births in the latest year of data (2025). The name is so rare that it does not even register a one-in-N statistic, and it does not appear among any top states. Kae likely functions as a variant of the more common Kay, which itself can be a diminutive of Katherine or a surname. Despite its obscurity, Kae retains a certain appeal for parents seeking a concise, vowel-friendly name with a vintage flair. Its simplicity means it pairs well with many middle names, and while it has no famous bearers, it carries a quiet charm for those who encounter it.

Kae is a short, simple name of uncertain derivation. It may have originated as a variant spelling of Kay, which itself can be a diminutive of Katherine or a surname. Alternatively, it could be a modern coinage or a respelling of the letter 'K'. The name saw modest use in the United States in the early 20th century, with a peak in 1937, but has since become rare.

Nicknames & variants

Variants: Kay, Kaye, Cae

Sibling names for Kae

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

Sisters: Mae, Rae, Fae, Lea, Jo

Brothers: Ray, Jay, Lee, Beau, Clyde

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

K is for Kae, our favorite little girl.

K is for Kae…”

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

Make Kae's book

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

Questions parents ask

What does the name Kae mean?
The meaning of Kae is uncertain. It may be a variant of Kay, which can be a diminutive of Katherine, or a standalone name of unknown origin.
How popular is the name Kae?
Kae has never ranked in the U.S. top 1000 names. Its peak usage was in 1937, but it remains very rare today, with no recorded births in recent years.
Is Kae a boy's or girl's name?
Kae is predominantly used for girls, though it can be considered unisex.