Sai
Boy name · #1858 in 2025 · Very rare
How old is the name Sai? In official American birth records, Sai has been tracked continuously since 1972, giving it 53 years of documented American history.
Sai is currently the #1858 boy name in the United States — 85 babies received it in 2025. A decade ago it stood at #2429, so the name has been rising over the past ten years. Roughly one in every 21,176 boys born in 2025 was named Sai.
The 53-year story
Sai first appears in the Social Security records in 1972, when 5 boys received the name. Its all-time peak is essentially right now: 2025, with 85 babies and a rank of #1852. 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 Sai per year. Source: Official national birth records.
Unlock the 5-year forecast and compare Sai against up to 5 other names.
Uniqueness: will there be another Sai in class?
On our rarity read — which blends how common Sai is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Sai will likely be the only one in the room, with the occasional spelling-out as the price.
Where Sai is most common
State-level data for Sai 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 Sai
Statistically, parents drawn to Sai tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Esai, Masai, Cai, Ori, and Nakai.
EsaiMasaiCaiOriNakaiAdonaiAsaiAkai
Rank history (last 25 years)
| Year | Babies named Sai | Rank |
|---|---|---|
| 2025 | 85 | #1852 |
| 2024 | 68 | #2156 |
| 2023 | 72 | #2064 |
| 2022 | 73 | #2060 |
| 2021 | 62 | #2253 |
| 2020 | 71 | #1996 |
| 2019 | 81 | #1849 |
| 2018 | 67 | #2101 |
| 2017 | 52 | #2450 |
| 2016 | 48 | #2587 |
| 2015 | 52 | #2429 |
| 2014 | 53 | #2402 |
| 2013 | 50 | #2461 |
| 2012 | 51 | #2448 |
| 2011 | 56 | #2284 |
| 2010 | 46 | #2632 |
| 2009 | 67 | #2050 |
| 2008 | 59 | #2237 |
| 2007 | 48 | #2564 |
| 2006 | 41 | #2784 |
| 2005 | 42 | #2614 |
| 2004 | 25 | #3636 |
| 2003 | 34 | #2847 |
| 2002 | 31 | #2943 |
| 2001 | 35 | #2681 |
Frequently asked questions
How old is the name Sai?
In official American birth records, the name Sai first appeared in 1972 (over 53 years ago), when 5 newborn boys received the name. It has been tracked in modern national records for 53 years.
Is Sai a popular boy name?
Sai ranked #1858 among boys in 2025 with 85 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #2429.
When was the name Sai most popular?
Sai peaked in 2025, when 85 American boys received the name (ranked #1852 that year). That peak is current — the name is at or near its all-time high right now.
How rare is the name Sai?
In 2025, roughly 1 in 21,176 newborn American boys was named Sai. 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.