How Many People Are Named Caitlyn?
Complete statistics for the name Caitlyn: rarity score, gender breakdown, age distribution, historical popularity, worldwide data, meaning and origin.
Caitlyn means 'pure' and has origins in Irish Gaelic, making it both rare and meaningful among female names. It's estimated that 1 in 6,364 Americans today are named Caitlyn, totaling around 51,854 people. The majority, 65%, are under 30, showing its status as a genuinely modern name.
📖 Meaning & Origin
Life path number 3 symbolizes creativity, self-expression, and joy.
🌍 Worldwide Usage
⚥ Gender Distribution
📊 Births by Age Group
Avg Cohort Age: 26All 52,565 recorded US births for this name, grouped by the age those individuals would be today. Not adjusted for survival, so the number living today is lower (see the living estimate above).
📈 Popularity Over Time
Peak: 1998Annual US births from SSA records · Trend: Declining
🏆 Name Scorecard
Scores 0–100 based on statistical analysis of US and worldwide name frequency
📜 Caitlyn Through the Generations
Caitlyn peaked in popularity in 1998 with 2,943 births, marking a high point in its adoption. Since then, the trend has been declining, reflecting its nature as a newer-generation name. Currently, there are 33,982 people under 30 and 18,583 aged between 30 and 60, indicating a younger demographic that's still growing but at a slower pace compared to its peak.
📍 State Distribution (Top 10)
🌿 Related Names by Origin
Other names sharing Caitlyn's Irish Gaelic roots
📄 About the Name Caitlyn
How Many People Have the Name Caitlyn?
Based on Social Security Administration birth records and age-adjusted survival modeling, approximately 51,854 people in the United States currently share the name Caitlyn. That works out to roughly 1 in every 6,364 Americans, placing it in the Rare category.
Is Caitlyn a Common or Rare Name?
Caitlyn is classified as Rare. The rarity scale runs from Very Common (shared by millions) through Common, Uncommon, Rare, and Very Rare. Understanding where a name sits helps parents gauge uniqueness, genealogists narrow down records, and individuals settle debates about their own name's distinctiveness.
What Does the Name Caitlyn Mean?
Caitlyn means "pure" and comes from Irish Gaelic origins. The name carries a life-path numerology number of 3.
Gender Breakdown
Of all recorded bearers of Caitlyn in SSA data, approximately 0% are male and 100% are female.
When Was Caitlyn Most Popular?
The name Caitlyn reached peak popularity in 1998, with 2,943 babies registered that year. Current trend: Declining.
How Is This Data Calculated?
All figures are statistical estimates, not exact government headcounts. The underlying data comes from the SSA National Baby Names dataset. Full methodology is explained on the methodology page.
❓ Frequently Asked Questions
How many people are named Caitlyn?
Approximately 51,854 people named Caitlyn live in the United States today. All-time US births on record total 52,565. That works out to roughly 1 in 6,364 Americans.
Is Caitlyn a rare name?
Caitlyn is classified as Rare in the United States. Approximately 1 in every 6,364 Americans has this name.
What does the name Caitlyn mean?
Caitlyn means "pure" and comes from Irish Gaelic origins.
Is Caitlyn more male or female?
Based on SSA records, 0% of people named Caitlyn are male and 100% are female.
When was Caitlyn most popular?
Caitlyn peaked in 1998 with 2,943 births that year. Current trend: Declining.
How accurate are these statistics?
All figures are statistical estimates based on SSA birth records and age-adjusted modeling. See the methodology page for full details.