Kaithlyn
First Name Meaning, Usage, Popularity & Related Names
Kaithlyn is a Greek name associated with the meaning “pure”. It is a rare name, overwhelmingly used for girls, with 100% female usage.
Meaning & Origin of the name Kaithlyn
Kaithlyn is a contemporary spelling of the popular feminine name Caitlin, which is the Irish form of Katherine. The name Katherine has ancient Greek roots, derived from *Aikaterine*, and is widely understood to mean "pure." Historically, Caitlin became widely popular in Ireland and later globally, especially in its Anglicized forms like Katelyn or Kathleen. Kaithlyn maintains the beautiful meaning of "pure" while offering a distinctive visual and phonetic twist, appealing to parents looking for a familiar sound with a unique modern touch. It carries a sense of timeless elegance and pristine character.
Meaning Comments
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Gender Usage of the Name Kaithlyn
Overall Gender Classification Methodology
Kaithlyn is overwhelmingly used as a name for girls. Approximately 100% of recorded bearers are female. This classification is supported by a large number of recorded bearers.
Popularity of the Name Kaithlyn
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
Kaithlyn is listed under Rare Girl Names worldwide. Its popularity varies considerably across the available regional markets, with the strongest usage in United Kingdom.
| Region | Popularity | Birth Frequency |
|---|---|---|
| United States | Rare | 1 in every 3.53M births |
| United Kingdom | Uncommon | 1 in every 285K births |
| Canada | Common | 1 in every 653K births |
| Australia | Rare | 1 in every 15.7M births |
Ranking OverviewMethodology
Kaithlyn ranked #14,941 on the Popular Girls’ Names Worldwide List (2025). This year the name appears in the official list for this region after being absent in the prior official year. Newly recorded in the latest official lists, Kaithlyn shows early signs of usage.
Historically, its best recorded position was #532 in 2000. Its lowest recorded position was #14,941 in 2025. Over the last 11 years (2014–2025) the name fell -1827 places (from #13,114 to #14,941).
Name StyleMethodology
Kaithlyn is classified as Vintage Girl Names because its historical peak was 2000, followed by a decline to 0% of that peak and a recent recovery to 3x the preceding level.Characteristics of the Name Kaithlyn
Pronunciation & StructureMethodology
- Phonetic Source
- Namedary
- Syllables
- 2 syllables — Two-Syllable Girl Names
- Length
- 8 letters — Long Girl Names
- Starts with
- K — Girl Names Starting with K
- Ends with
- n — Girl Names Ending in “n”
Name AestheticMethodology
Kaithlyn maintains a two-syllable count with a strong-weak stress pattern, utilizing a crisp terminal consonant. The phonetic structure represents the contemporary shift toward modified spellings, common among early 21st-century digital media creators who prioritize visual uniqueness. These traits establish a Sleek & Modern aesthetic.
Middle Names For Kaithlyn
Middle names used with KaithlynMethodology
Kaithlyn is most frequently used with: Kaithlyn Pasildo
Middle name suggestions for KaithlynMethodology
Based on observed first-middle-name pattern combinations, Kaithlyn is most frequently associated with girl middle names that have Strong stress pattern, 5 letters, and a starting sound of “m”.
Examples: Kaithlyn Moore · Kaithlyn Mills · Kaithlyn Marsh · Kaithlyn Marks · Kaithlyn Moose. View all 101 suggested middle names.
Names Similar to Kaithlyn
Sound Like Kaithlyn Finder
Names with the exact same overall pronunciation and sound: Kathleen · Cathleen · Kathlyn · View all 39 names
Spelled Like Kaithlyn Finder
Names with similar spelling patterns and letter sequences: Kaithlynn · Kathlyn · Kaithlin · View all 11 names
Same Starting Sound Finder
Names that begin with a similar phonetic sound: Karen · Kimberly · Carol · View all Top 100 names
Rhymes With Kaithlyn 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
More Info
How to Spell Kaithlyn in ASL
- K
- a
- i
- t
- h
- l
- y
- n
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