MallowbyNames

Katlin

KAT-lin · A variant spelling of Caitlin, traditionally meaning 'pure'.

Peak popularity
1993
Usually for
Girls
Trend
Declining since 1994

Declining since 1994.

Popularity of Katlin since 1981

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

1282573851990200020102020Most births 1993Girls
Data table (by decade)
DecadeGirls
1980s911
1990s3,310
2000s1,014
2010s100
2020s0

Meaning & origin

Katlin entered the U.S. naming landscape in 1981, a late arrival in the wave of phonetic variants of the classic Irish name Caitlin. Its peak year, 1993, saw the highest number of baby girls named Katlin, but it quickly fell out of fashion starting in 1994. Unlike the more enduring Caitlin and Kaitlyn, Katlin never cracked the top 1000 national rankings and has become increasingly rare in the 21st century. The spelling reflects the broader late-20th-century trend of simplifying traditional names by removing silent letters and using 'K' for a modern feel. While it never achieved wide geographic spread, it remains a clear example of how phonological spelling reshapes family naming traditions.

Katlin is a modern English respelling of Caitlin, the Irish form of Catherine. Catherine derives from the Greek Aikaterine, whose meaning is debated but traditionally associated with katharos, meaning 'pure'. This spelling emerged in the late 20th century as part of a trend of phonetic spellings for Caitlin.

Where Katlin is most popular

Births per 100,000 girls by state. Press play or drag the slider to watch it move across the decades. The lightest shade means too few recorded births.

2020s
Fewermore per 100k girlstoo few births

Nicknames & variants

Nicknames: Kat, Katie, Katy, Lin

Variants: Caitlin, Kaitlyn, Katelyn, Katlyn

Sibling names for Katlin

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

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

K is for Katlin, our favorite little girl.

K is for Katlin…”

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

Make Katlin's book

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

Questions parents ask

What does the name Katlin mean?
Katlin is a variant of Caitlin, which is traditionally interpreted as 'pure' from the Greek katharos.
How popular is the name Katlin?
Katlin first appeared in U.S. birth records in 1981, peaked in 1993, and has been declining in use since 1994. It is no longer ranked in the top 1000.
Is Katlin a boy or girl name?
Katlin is almost exclusively used for girls.