Cathleen vs. Kathleen: which name is older?
The average Cathleen is 61 and the average Kathleen is 64, so Kathleen is the older name, by about 3 years.
Cathleen and Kathleen sound alike, so the spelling is the clue: a Kathleen is more likely to have been born in the early 1950s, and a Cathleen in the late 1950s.
Cathleen
Kathleen
When was each name popular?
Kathleen peaked first, in 1951 (in the early 1950s). Cathleen peaked in 1958, 7 years later.
Which name is more common?
There are about 24,000 Cathleens and about 500,000 Kathleens alive in the US, so there are about 21 times as many Kathleens as Cathleens.
Boys or girls?
Both are girls' names: 100% of living Cathleens and over 99% of living Kathleens are women.
Names the same age as Cathleen
Names the same age as Kathleen
Think you can guess a Cathleen's age?
Ten names, one slider each. Share your score.
Cathleen or Kathleen: questions
Which is older, Cathleen or Kathleen?
The average Cathleen is 61 and the average Kathleen is 64, so Kathleen is the older name, by about 3 years.
How old is the average Cathleen?
The average Cathleen in the US is 61; half of all living Cathleens are between 55 and 71.
How old is the average Kathleen?
The average Kathleen in the US is 64; half of all living Kathleens are between 57 and 75.
Which is more common, Cathleen or Kathleen?
There are about 24,000 Cathleens and about 500,000 Kathleens alive in the US, so there are about 21 times as many Kathleens as Cathleens.
Estimates from Social Security Administration baby-name records (births 1880–2025) and SSA cohort life tables (2026 Trustees Report). How we calculate this