Kassidi
Kassidi was the 7310th most popular name for girls in 2025, given to 15 babies. Its best year was 1998, when it ranked 2324th with 61 babies. Over the last ten years it has moved down 2,765 places. More babies were named Kassidi in the 2000s than in any other decade.
Meaning (as Cassidy) curly-haired (Irish Ó Caiside) · Irish
- Rank in 2025
- #7,310 girls, down 3,091 places since 2020
- Babies in 2025
- 15girls
- Girls and boys
- Almost always a girl’s name2021–2025
- Peak year
- 199861 babies
- Total since 1880
- 1,241babies recorded
What does the name Kassidi mean?
Kassidi 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)
Kassidi popularity since 1880
| Year | Rank (girls) | Babies (girls) |
|---|---|---|
| 2025 | #7,310 | 15 |
| 2020 | #4,219 | 33 |
| 2010 | #4,149 | 36 |
| 2000 | #2,838 | 51 |
| 1990 | #5,970 | 15 |
| 1980 | — | — |
| 1970 | — | — |
| 1960 | — | — |
| 1950 | — | — |
| 1940 | — | — |
| 1930 | — | — |
| 1920 | — | — |
| 1910 | — | — |
| 1900 | — | — |
| 1890 | — | — |
| 1880 | — | — |
How popular is Kassidi, counting every spelling?
Kassidi is a spelling of Cassidy, a name family that ranked #400 for girls in 2025 once every spelling is counted together, compared with #7,310 for Kassidi 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 Kassidi?
15 of the 3,606,400 babies born in the US in 2025 were named Kassidi (0.00 per 1,000 births). For a girl named Kassidi 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 554 (of 430 pupils) would have a child named Kassidi.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Kassidi?
About 1,200 people born in the US named Kassidi are alive today, with a median age of 20; half are between 12 and 28. That makes Kassidi 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.
Kassidi by state
How common Kassidi was among girls born in each state in 2021–2025. In 50 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 Kassidi: their share of US girls followed the most similar curve since 1880. If you like Kassidi, they share its era and feel.
Questions about the name Kassidi
What does Kassidi mean?
Kassidi is a spelling of Cassidy, which means “curly-haired (Irish Ó Caiside)” (Irish origin). Certainty: probable.
How popular is the name Kassidi?
Kassidi was the 7310th most popular name for girls in 2025, given to 15 babies. Its best year was 1998, when it ranked 2324th with 61 babies. Over the last ten years it has moved down 2,765 places. More babies were named Kassidi in the 2000s than in any other decade.
Is Kassidi a boy or girl name?
In 2021–2025, almost always a girl’s name given the name Kassidi in the US.
Where is Kassidi most popular?
In 2021–2025, Kassidi was most common in Alabama (0.05 per 1,000 girls).