Casey

Anglicized from the Irish surname O Cathasaigh, descendant of Cathasach, a byname meaning watchful or vigilant. It serves as a first name for either sex.

Casey in 2025

Casey was given to 1,300 babies in the United States in 2025 — 1,072 boys and 228 girls, making it the 516th most popular name of the year. That is roughly one in every 2,550 babies born.

The history of Casey

Casey reached its highest point in 1987, when 7,510 babies were given the name, ranking 97th that year.

Across the 138 years of records since 1888, 194,775 babies have been named Casey. Half of them were born before 1989, which places the name's centre of gravity with Millennials.

Casey by decade

DecadeBabies named CaseyBest rank
1880s61,960
1890s371,735
1900s891,632
1910s4441,252
1920s3572,112
1930s2772,201
1940s6191,273
1950s3,087780
1960s5,682552
1970s27,633115
1980s63,88697
1990s55,154104
2000s21,382219
2010s9,173570
2020s6,949503

Where Casey is heading

Casey has risen 51% over the past decade, from 860 babies in 2015 to 1,300 in 2025.

Names like Casey

Names that rose and fell at the same time as Casey.

Browse the most popular baby names