MallowbyNames

Kaydee

KAY-dee · Kaydee is a modern spelling variant of Katie or Kady, typically considered a diminutive of Katherine, which means 'pure'.

2025 rank (girls)
#5,722
Babies named in 2025
21
Peak popularity
2009
2025 frequency
1 in 76,537 girls
Usually for
Girls
Trend
Declining since 2008

Declining since 2008, #5,722 for girls today.

Popularity of Kaydee since 1974

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

3876114198020002020Most births 2009Girls
Data table (by decade)
DecadeGirls
1970s36
1980s265
1990s487
2000s840
2010s645
2020s144

Meaning & origin

Kaydee first appeared in U.S. birth records in 1974, part of a wave of phonetic respellings that gained momentum in the late 20th century. The name saw its highest usage in 2009, when it ranked 5,722 nationally. Since 2008, its trajectory has been falling, reflecting a broader shift away from creative spellings of traditional names. For every 76,537 newborns in 2025, one is named Kaydee. The name has no strong regional concentration within the United States. As a modern invention, Kaydee exemplifies the American impulse toward individualized orthography, taking the familiar sound 'Katie' and giving it a fresh, distinctive look. While its literal meaning is derived from Katherine, its cultural significance lies in its modernity and phonetic creativity.

Kaydee is a phonetic respelling of Katie, itself a diminutive of Katherine. The name Katherine has Greek origins from 'katharos' meaning 'pure'. While historically a common nickname, the -dee ending is a modern spelling innovation that emerged in the late 20th century, particularly in the United States, as part of a trend toward unique spellings.

Nicknames & variants

Nicknames: Kaye, KD

Variants: Kady, Katie, Katy, Kadee

Sibling names for Kaydee

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

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

K is for Kaydee, our favorite little girl.

K is for Kaydee…”

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

Make Kaydee's book

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

Questions parents ask

What does the name Kaydee mean?
Kaydee is a modern spelling variant of Katie or Kady, usually considered a diminutive of Katherine, which means 'pure' in Greek.
How popular is Kaydee today?
As of 2025, Kaydee ranked 5,722 in the United States, given to about 1 in every 76,537 newborns. Its peak popularity was in 2009, and its usage has been declining since 2008.
Is Kaydee a boy's or girl's name?
Kaydee is almost exclusively used for girls.