Caysi
Girls' nameMeaning not yet documented
Caysi has been given to 10 babies in the U.S. since 1988. It was used fewer than 5 times in 2025, so it doesn't appear in the latest year's list — today it's a genuinely uncommon pick. Its peak year was 1988, with 5 recorded.
Babies named Caysi, 1993
1 in 754,000
Caysi over time, 1880–2025
Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.
How common is Caysi?
Caysi had fewer than 5 recorded uses in 2025, so these figures use 1993, the last year it was published.
- Among all babies, 1993
- 1 in 754,000
- 5 of 3,768,729 births
- Among girls only
- 1 in 362,000
- <0.01% of girls
- Rank, 1993
- Unranked
- Fewer than 5 uses
- Coin-flip room size
- 522,458 kids
- Even odds of a second one
Where Caysi sits on the popularity scale
Chance at least one other child shares the name
If the other children were drawn at random from the 1993 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.
Put another way: gather 522,458 children born in 1993 and it's an even bet that one of them is another Caysi. In a class of 30 the chance is Under 1%.
When Caysis were born
Half of everyone ever recorded as Caysi was born before 1988 — so the typical Caysi is around 37 today.
- Biggest decade
- 1980s
- 50.0% of all use
- Born in the last 25 years
- 100.0%
- A modern name
- Recorded since 1950
- 10
- People you could plausibly meet
1980s — 50.0% of all recorded uses (5).
Is Caysi rising or falling?
Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.
- Rank vs 1 year ago
- —
- Not ranked then
- Rank vs 5 years ago
- New entry
- Not ranked then
- Rank vs 10 years ago
- —
- Not ranked then
- Births vs 10 years ago
- —
- Not published both years
- Share of its own peak
- 0%
- Peak was 1988 (5)
- Years since peak
- 37
- Years
- Year-to-year steadiness
- Not enough data
- Too few years
Spellings of Caysi
Caysi is not the most common spelling — Cassie is, with 24.7% against Caysi's <0.01%.
Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.
Caysi by the numbers
The raw record for each sex the name is used for.
Names similar to Caysi
Matched on shared beginnings and endings, similar length, and comparable popularity.
Sibling names for Caysi
Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.