Cassady
Cassady was the 15381st most popular name for girls in 2025, given to 5 babies. Its best year was 1995, when it ranked 2130th; the most babies were born in 1999 (67). Over the last ten years it has moved down 3,321 places. More babies were named Cassady in the 1990s than in any other decade.
Meaning (as Cassidy) curly-haired (Irish Ó Caiside) · Irish
- Rank in 2025
- #15,381 girls
- Babies in 2025
- 5girls
- Girls and boys
- Almost always a girl’s name2021–2025
- Peak year
- 199967 babies
- Total since 1880
- 1,172babies recorded
What does the name Cassady mean?
Cassady is a spelling of Cassidy, pronounced the same way, so it shares Cassidy's meaning and origin.
Cassidy is an Irish surname from Ó Caiside, "descendant of Caiside", a byname which Wiktionary derives from cas, "curly", so "curly-haired". Woulfe's 1923 index lists Cassidy and Cassedy among the English forms. As a first name it is used for boys and, since the 1980s in the US, mostly for girls.
Ó Caiside (Irish, “descendant of Caiside”)cas (Irish, “curly”)
How sure is this? Probable. The 'curly' reading is given by Wiktionary; it needs an Irish dictionary check.
Related names: Cassie, Cass, Kassidy.
See also: Irish names.
Sources for this meaning
- Wiktionary, entry 'Cassidy', Wiktionary (Wikimedia Foundation)
- Patrick Woulfe, Sloinnte Gaedheal is Gall: Irish Names and Surnames (1923), index of Irish surnames and their anglicized forms, M. H. Gill & Son (Internet Archive scan)
Cassady popularity since 1880
A few boys are given the name too: 87 since 1981.
| Year | Rank (girls) | Babies (girls) |
|---|---|---|
| 2025 | #15,381 | 5 |
| 2020 | — | — |
| 2010 | #8,354 | 14 |
| 2000 | #2,310 | 67 |
| 1990 | #4,542 | 21 |
| 1980 | #8,287 | 7 |
| 1970 | — | — |
| 1960 | — | — |
| 1950 | — | — |
| 1940 | — | — |
| 1930 | — | — |
| 1920 | — | — |
| 1910 | — | — |
| 1900 | — | — |
| 1890 | — | — |
| 1880 | — | — |
How popular is Cassady, counting every spelling?
Cassady is a spelling of Cassidy, a name family that ranked #400 for girls in 2025 once every spelling is counted together, compared with #15,381 for Cassady on its own. Together these spellings went to 824 girls in 2025.
| Spelling | Babies 2025 | Official rank | Babies 2021–2025 |
|---|---|---|---|
| Cassidy | 558 | #541 | 3,140 |
| Kassidy | 240 | #1,039 | 1,536 |
| Kassidi | 15 | #7,310 | 99 |
| Cassidee | 6 | #13,534 | 30 |
Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.
How many kids will share the name Cassady?
5 of the 3,606,400 babies born in the US in 2025 were named Cassady (0.00 per 1,000 births). For a girl named Cassady born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 1,661 (of 430 pupils) would have a child named Cassady.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Cassady?
About 1,100 people born in the US named Cassady are alive today, with a median age of 27; half are between 22 and 32. That makes Cassady mostly worn by children and young adults.
Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.
Cassady by state
How common Cassady was among girls born in each state in 1997–2001, around its peak. It is notably more common than nationally in Ohio (4.0×). In 46 states fewer than five girls a year got the name, too few for SSA to publish, so those states show as zero.
Names with a similar history
These names rose and fell in step with Cassady: their share of US girls followed the most similar curve since 1880. If you like Cassady, they share its era and feel.
Questions about the name Cassady
What does Cassady mean?
Cassady is a spelling of Cassidy, which means “curly-haired (Irish Ó Caiside)” (Irish origin). Certainty: probable.
How popular is the name Cassady?
Cassady was the 15381st most popular name for girls in 2025, given to 5 babies. Its best year was 1995, when it ranked 2130th; the most babies were born in 1999 (67). Over the last ten years it has moved down 3,321 places. More babies were named Cassady in the 1990s than in any other decade.
Is Cassady a boy or girl name?
In 2021–2025, almost always a girl’s name given the name Cassady in the US.
Where was Cassady most popular?
In 1997–2001, Cassady was most common in Ohio (0.13 per 1,000 girls), followed by Alabama and New Jersey.