MallowbyNames

Katielynn

KAY-tee-lin · Modern invented name combining Katie and Lynn

Peak popularity
2006
Usually for
Girls
Trend
Declining since 2007

Declining since 2007.

Popularity of Katielynn since 1980

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

71320198020002020Most births 2006Girls
Data table (by decade)
DecadeGirls
1980s70
1990s103
2000s106
2010s59
2020s5

Meaning & origin

Katielynn is a modern compound name that first appeared in U.S. birth records in 1980, during a wave of creative feminine names built around familiar roots. It reached its peak in 2006, a time when -lynn suffixed names were widely favored. The name combines the diminutive Katie, which itself has been popular for decades, with the suffix Lynn, which originated as a Welsh place name meaning 'lake.' This blend reflects a larger trend in American naming: pairing a short, friendly base with a soft, melodic ending. Since 2007, the name's usage has steadily declined, now falling outside the top 1000. Katielynn has not been strongly associated with any particular U.S. state in the data available, but it follows a trajectory typical of many invented names from the 1990s and 2000s: a sharp rise, a peak, and a prolonged fade.

Katielynn is a modern compound name formed by blending the diminutive Katie (a pet form of Katherine) with the popular suffix Lynn. Katherine itself derives from the Greek name Aikaterine, whose meaning is debated, possibly related to 'katharos' meaning 'pure.' Lynn originates from a Welsh word for 'lake' or 'pool.' This style of name, combining a familiar short form with a trendy suffix, became particularly popular in the United States during the late 20th century.

Nicknames & variants

Nicknames: Katie, Kat, Lynn

Variants: Katelynn, Kaitlynn, Katlynn

Sibling names for Katielynn

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

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

K is for Katielynn, our favorite little girl.

K is for Katielynn…”

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

Make Katielynn's book

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Questions parents ask

What does the name Katielynn mean?
Katielynn is a modern invented name with no traditional meaning. It combines the name Katie, a diminutive of Katherine (possibly meaning 'pure'), with Lynn, derived from a Welsh word for 'lake.'
How popular is Katielynn?
Katielynn was not ranked in the top 1000 names in 2025, but it reached its peak popularity in 2006. Since 2007, its usage has been declining.
Is Katielynn a boy or girl name?
Katielynn is almost exclusively used as a girl's name.