Sione
Boy name · #3481 in 2025 · Very rare
How old is the name Sione? In official American birth records, Sione has been tracked continuously since 1973, giving it 52 years of documented American history.
In 2025, 33 baby boys were named Sione, placing it at #3481 in the official national rankings. A decade ago it stood at #3684, so the name has been rising over the past ten years. Roughly one in every 54,545 boys born in 2025 was named Sione.
Babies named Sione per year. Source: Official national birth records.
The 52-year story
Sione first appears in the Social Security records in 1973, when 6 boys received the name. Its peak came in 2017, when 51 boys were named Sione — good for #2493 that year. Today's parents encounter it on its way down the popularity curve, which for many parents is exactly the appeal. 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.
Unlock the 5-year forecast and compare Sione against up to 5 other names.
Uniqueness: will there be another Sione in class?
On our rarity read — which blends how common Sione is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Sione will likely be the only one in the room, with the occasional spelling-out as the price.
Where Sione is most common
State-level data for Sione 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 Sione
Statistically, parents drawn to Sione tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Thane, Laine, Leone, Samy, and Blayne.
ThaneLaineLeoneSamyBlayneSauloSaxonSalah
Rank history (last 25 years)
| Year | Babies named Sione | Rank |
|---|---|---|
| 2025 | 33 | #3450 |
| 2024 | 28 | #3896 |
| 2023 | 31 | #3629 |
| 2022 | 24 | #4303 |
| 2021 | 49 | #2623 |
| 2020 | 34 | #3274 |
| 2019 | 42 | #2897 |
| 2018 | 31 | #3524 |
| 2017 | 51 | #2493 |
| 2016 | 24 | #4199 |
| 2015 | 29 | #3684 |
| 2014 | 35 | #3154 |
| 2013 | 36 | #3060 |
| 2012 | 30 | #3530 |
| 2011 | 37 | #3046 |
| 2010 | 39 | #2958 |
| 2009 | 47 | #2623 |
| 2008 | 36 | #3165 |
| 2007 | 36 | #3135 |
| 2006 | 32 | #3306 |
| 2005 | 35 | #2960 |
| 2004 | 37 | #2788 |
| 2003 | 42 | #2470 |
| 2002 | 35 | #2685 |
| 2001 | 29 | #3061 |
Frequently asked questions
How old is the name Sione?
In official American birth records, the name Sione first appeared in 1973 (over 52 years ago), when 6 newborn boys received the name. It has been tracked in modern national records for 52 years.
Is Sione a popular boy name?
Sione ranked #3481 among boys in 2025 with 33 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #3684.
When was the name Sione most popular?
Sione peaked in 2017, when 51 American boys received the name (ranked #2493 that year). Since 2017 the name has declined from that high.
How rare is the name Sione?
In 2025, roughly 1 in 54,545 newborn American boys was named Sione. 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.