Katilyn

Girl name

Katilyn has been given to 1,738 babies in the U.S. since 1980. It peaked in 1998.

Popularity over time births per year, 1880–2025

Hover or tap the chart to read any year.

Total babies

1,738

Peak year

1998 (101 babies)

Rank in 2025

Below top 1000

First recorded

1980

10-year trend

▼ -100%

Gender split

All girls

Spellings & variants

Names one letter away from Katilyn — alternate spellings parents actually use.

Katelyngirl

134,206 babies since 1970

Katlyngirl

18,438 babies since 1979

Kailyngirl

14,351 babies since 1981

Kathlyngirl

5,156 babies since 1897

Names with a similar vibe

Same primary gender, peaked around the same years, and roughly as common as Katilyn.

Ivonunisex

1,736 babies since 1907

Anandagirl

1,735 babies since 1968

Chelseegirl

1,742 babies since 1977

Shakaylagirl

1,734 babies since 1982

Karringtongirl

1,734 babies since 1987

Noemygirl

1,733 babies since 1958

Sammigirl

1,732 babies since 1946

Indyagirl

1,731 babies since 1970

FAQ

How popular is the name Katilyn?

Katilyn has been given to 1,738 babies in the U.S. since 1980. It ranked below the top 1000 in 2025.

When did the name Katilyn peak?

Katilyn peaked in 1998, when 101 babies were given the name.

Is Katilyn a girl or boy name?

Katilyn is primarily a girl name (100% of babies named Katilyn are girls).

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