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How Many People Are Named Kay?
Estimated people named Kay living in the U.S. today
55,038
Gender distribution
2% male · 98% female in SSA records.
Name scorecard
- Total U.S. births recorded (1880–2024): 102,497
- Peak year: 1942 (3,719 births)
- Estimated living today: 55,038
Kay by age group — who carries the name today?
Kay popularity over time (1880–2024)
Estimated living bearers by birth decade
About the name Kay
Kay has been recorded by the Social Security Administration since the 19th century dataset began. In total, 102,497 babies were given the name in the United States between 1880 and 2024. After adjusting each birth cohort for survival to today, an estimated 55,038 bearers are still living — roughly 1 in 6,210 Americans. The name's strongest decade shapes how old most Kays you meet will be, which the age-group breakdown above shows directly. All figures are statistical estimates from public records; see our methodology for sources, the survival model, and the limits of the data (names given to fewer than five babies in a year are not published by the SSA).
Frequently asked questions
How many people are named Kay in the US?
An estimated 55,038 people named Kay are living in the United States today, based on SSA birth records from 1880 to 2024 adjusted for survival. That makes Kay rare — about 1 in 6,210 Americans.
Is Kay a boy or girl name?
In SSA records, Kay is 2% male and 98% female, so it is predominantly a female name.
When was Kay most popular?
Kay peaked in 1942, when 3,719 babies were given the name. Its current trend is steady compared with the previous decade.
How rare is the name Kay?
Kay ranks #848 of 104,819 first names recorded by the SSA, with a rarity score of 44 out of 100 (higher means rarer).