Meaning & Origin of the name Caitlyn

Caitlyn is an Irish variant of Caitlin, which is the Gaelic form of the Greek name Katherine. The core etymology is the Greek word katharos, signifying purity. Its emergence as a standard spelling reflects the evolution of Irish names within international naming trends over the last several decades.

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Gender Usage of the Name Caitlyn

Overall Gender Classification Methodology

Caitlyn is overwhelmingly used as a name for girls. Approximately 99.98% of recorded bearers are female. This classification is supported by extensive records and is considered highly reliable.

Popularity of the Name Caitlyn

Note: Green bars show popularity (% of births); the violet line shows historical ranking. Data is based on official government birth records. Click any chart to view details by year and region.

Overall PopularityMethodology

Caitlyn is listed under Popular Girl Names worldwide. Its popularity is relatively consistent across the available regional markets.

Popularity of Caitlyn by region
RegionPopularityBirth Frequency
United StatesCommon1 in every 5.4K births
United KingdomPopular1 in every 1.7K births
CanadaPopular1 in every 7.6K births
AustraliaPopular1 in every 8.1K births

Ranking OverviewMethodology

Caitlyn ranked #1,697 on the Popular Girls’ Names Worldwide List (2025). It fell from #464 in 2024 — a drop of 1,233 places. Caitlyn shows meaningful recent movement in rank, though it remains uncommon overall.

Historically, its best recorded position was #89 in 2000. Its lowest recorded position was #5,153 in 1981. Over the last 5 years (2020–2025) the name fell -1168 places (from #529 to #1,697).

Name StyleMethodology

Caitlyn is classified as Classic Girl Names because it appears in 40% of available years and remains active today, averaging 728 births per year after a historical peak in 1998.

Characteristics of the Name Caitlyn

Pronunciation & StructureMethodology

Phonetic Source
Namedary
Syllables
2 syllables — Two-Syllable Girl Names
Length
7 letters — Long Girl Names
Starts with
C — Girl Names Starting with C
Ends with
n — Girl Names Ending in “n”

Name AestheticMethodology

Caitlyn utilizes a two-syllable design with a sharp consonant-to-liquid transition that sounds precise and intentional. It is prominently associated with Caitlyn Jenner, a high-profile media figure. This recognition provides the name with a Sleek & Modern aesthetic.

Middle Names For Caitlyn

Middle names used with CaitlynMethodology

Caitlyn is most frequently used with these girl middle names: Caitlyn Marie · Caitlyn Elizabeth · Caitlyn Nicole · Caitlyn Rose · Caitlyn AnnView all 378 girl middle names.

Middle name suggestions for CaitlynMethodology

Based on observed first-middle-name pattern combinations, Caitlyn is most frequently associated with girl middle names that have Strong stress pattern, 5 letters, and a starting sound of “m”.

Examples: Caitlyn Moore · Caitlyn Mills · Caitlyn Marsh · Caitlyn Marks · Caitlyn Moose. View all 101 suggested middle names.

Names Similar to Caitlyn

Sound Like Caitlyn Finder

Names with the exact same overall pronunciation and sound: Kaitlyn · Caitlin · Katelyn · View all 82 names

Spelled Like Caitlyn Finder

Names with similar spelling patterns and letter sequences: Caitlynn · Caitlyne · Caitlynd · View all 20 names

Same Starting Sound Finder

Names that begin with a similar phonetic sound: Karen · Kimberly · Carol · View all Top 100 names

Rhymes With Caitlyn Finder

Names that share similar ending sounds and rhymes: Susan · Karen · Helen · View all Top 100 names

Same Rhythm & Syllables Finder

Names with matching syllable stress and pronunciation rhythm: Mary · Linda · Sarah · View all Top 100 names

Dictionary & Etymology of “Caitlyn”

Dictionary Meaning of "Caitlyn"Methodology

More Info

How to Spell Caitlyn in ASL

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