MallowbyNames

Kathelyn

KATH-uh-lin · A respelling of Catherine, meaning 'pure'.

Peak popularity
1990
Usually for
Girls
Trend
Rising since 2022

Rising since 2022.

Popularity of Kathelyn since 1983

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

612181990200020102020Most births 1990Girls
Data table (by decade)
DecadeGirls
1980s57
1990s71
2000s82
2010s28
2020s6

Meaning & origin

Kathelyn is a modern respelling of Catherine, one of the most enduring names in Western naming tradition. Its first recorded use in the United States dates to 1983, and it experienced modest popularity during the 1990s, peaking in 1990. After a period of decline, the name has shown a slight upward trend again since 2022, though it remains very rare, with no rank in the national data and a 1-in-N ratio too low to report. Unlike the peak years of the 1990s, when top states like California and New York saw the most use, Kathelyn today is so infrequent that no top states can be identified. The spelling reflects a broader taste for unique variants of classic names, blending Irish-inspired phonetics with the familiar Katherine base. For parents seeking a name that feels both traditional and distinct, Kathelyn offers a gentle departure without straying far from a beloved original.

Kathelyn is a modern phonetic respelling of Catherine, which itself derives from the Greek name Aikaterine. The meaning has long been associated with 'pure' (from the Greek katharos) through folk etymology, though the origin remains debated. This spelling emerged in the late 20th century, likely influenced by Irish variants like Caitlín, and gained modest use in the United States starting in the 1980s.

Nicknames & variants

Nicknames: Kathy, Kat, Lyn, Katie

Variants: Catherine, Kathryn, Katherine, Katheryn, Cathleen, Kaitlin

Sibling names for Kathelyn

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

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

K is for Kathelyn, our favorite little girl.

K is for Kathelyn…”

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

Make Kathelyn's book

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

Questions parents ask

What does the name Kathelyn mean?
Kathelyn is a variant of Catherine, which traditionally means 'pure'.
How popular is the name Kathelyn?
Kathelyn has never ranked in the top 1,000 names in the United States. Its peak year was 1990, and it has seen a slight rise in usage since 2022.
Is Kathelyn a boy or girl name?
Kathelyn is predominantly a girl's name.