Home / Name Directory / Isiah
How Many People Are Named Isiah?
Estimated people named Isiah living in the U.S. today
19,442
Gender distribution
100% male · 0% female in SSA records.
Name scorecard
- Total U.S. births recorded (1880–2024): 24,598
- Peak year: 2001 (822 births)
- Estimated living today: 19,442
Isiah by age group — who carries the name today?
Isiah popularity over time (1880–2024)
Estimated living bearers by birth decade
About the name Isiah
Isiah has been recorded by the Social Security Administration since the 19th century dataset began. In total, 24,598 babies were given the name in the United States between 1880 and 2024. After adjusting each birth cohort for survival to today, an estimated 19,442 bearers are still living — roughly 1 in 17,580 Americans. The name's strongest decade shapes how old most Isiahs 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 Isiah in the US?
An estimated 19,442 people named Isiah are living in the United States today, based on SSA birth records from 1880 to 2024 adjusted for survival. That makes Isiah rare — about 1 in 17,580 Americans.
Is Isiah a boy or girl name?
In SSA records, Isiah is 100% male and 0% female, so it is predominantly a male name.
When was Isiah most popular?
Isiah peaked in 2001, when 822 babies were given the name. Its current trend is declining compared with the previous decade.
How rare is the name Isiah?
Isiah ranks #1,616 of 104,819 first names recorded by the SSA, with a rarity score of 50 out of 100 (higher means rarer).