Kasiah
Boy name · #2570 in 2025 · Very rare
How old is the name Kasiah? In official American birth records, Kasiah has been tracked continuously since 2016, giving it 9 years of documented American history.
In 2025, 52 baby boys were named Kasiah, placing it at #2570 in the official national rankings. It has appeared in the national data since 2016. Roughly one in every 34,615 boys born in 2025 was named Kasiah.
The 9-year story
Kasiah first appears in the Social Security records in 2016, when 12 boys received the name. Its all-time peak is essentially right now: 2024, with 59 babies and a rank of #2370. Names at their peak can keep climbing — or be one trend cycle from the long slide that eventually hits most popular names. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.
Babies named Kasiah per year. Source: Official national birth records.
Unlock the 5-year forecast and compare Kasiah against up to 5 other names.
Uniqueness: will there be another Kasiah in class?
On our rarity read — which blends how common Kasiah is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Kasiah will likely be the only one in the room, with the occasional spelling-out as the price.
Where Kasiah is most common
State-level data for Kasiah is too sparse in 2025 to rank by rate — in most states its count falls below the SSA's per-state reporting threshold (counts under 5 are withheld).
Names like Kasiah
Statistically, parents drawn to Kasiah tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Kessiah, Osiah, Yosiah, Ezaiah, and Ezekiah.
KessiahOsiahYosiahEzaiahEzekiahNasiahArsiahEzariah
Rank history (last 25 years)
| Year | Babies named Kasiah | Rank |
|---|---|---|
| 2025 | 52 | #2539 |
| 2024 | 59 | #2370 |
| 2023 | 20 | #4886 |
| 2022 | 22 | #4570 |
| 2021 | 15 | #5776 |
| 2020 | 15 | #5699 |
| 2019 | 9 | #8215 |
| 2016 | 12 | #6726 |
Frequently asked questions
How old is the name Kasiah?
In official American birth records, the name Kasiah first appeared in 2016 (over 9 years ago), when 12 newborn boys received the name. It has been tracked in modern national records for 9 years.
Is Kasiah a popular boy name?
Kasiah ranked #2570 among boys in 2025 with 52 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked outside the reported range.
When was the name Kasiah most popular?
Kasiah peaked in 2024, when 59 American boys received the name (ranked #2370 that year). That peak is current — the name is at or near its all-time high right now.
How rare is the name Kasiah?
In 2025, roughly 1 in 34,615 newborn American boys was named Kasiah. On our rarity scale (rarity blended with momentum) we classify it as "very rare".
Data source: Official American birth records, 1880–2025, national and state files. Counts reflect registered birth records for American families.