boy's name
Sergei
- Gender Boy
- Syllables 2
- Letters 6
- Popularity Rare
- Births on record 421
Sergei is a boy's name with 2 syllables. In 2025 it was given to 5 babies in the United States. It is a rare choice.
- Peaked in 1998, when 16 babies were given the name.
- Its usage has held steady over the past decade.
- Today about 1 in 663,130 babies in the United States is given this name.
- First appears in US birth records in 1925.
- 2 syllables, with the stress on syllable 2.
Sergei over time
Births per decade in the United States, 1920s to 2020s. The striped bar is the 2020s, still in progress — it covers 2020 to 2025, not a full ten years.
Show the numbers
| Decade | Births |
|---|---|
| 1920s | 6 |
| 1940s | 11 |
| 1950s | 36 |
| 1960s | 31 |
| 1970s | 33 |
| 1980s | 21 |
| 1990s | 84 |
| 2000s | 86 |
| 2010s | 50 |
| 2020s (to 2025) | 18 |
How popular is Sergei?
In 2025, Sergei was given to 5 babies in the United States. It is a rare choice.
Where Sergei is used
US figures omit any name given to fewer than five babies in a year, so the rarest names are absent from the source rather than absent from use. Data & sources.
How Sergei is spelled
Birth registers count each spelling separately, so every one has its own ranking.
| Spelling | What it is | Births on record |
|---|---|---|
| Sergeï | Sergeï is a rare spelling of Sergei, written with a diaeresis and recorded about 10 times, mostly in France. | 10 |
Names that peaked alongside Sergei
These names rose and fell in the same era, which is why they tend to sound like they belong together.
Parents who like Sergei also like
Names whose popularity has risen and fallen in step with Sergei over the last century — the same taste, a different name.
Sibling names for Sergei
Names from the same era that won't rhyme or share an initial with Sergei — the two things that make a sibling set grate.
Common questions about Sergei
How popular is the name Sergei?
In 2025, Sergei was given to 5 babies in the United States. It is a rare choice.
Is Sergei a girl's or a boy's name?
Sergei is given almost entirely to boys in birth records.
How many syllables are in Sergei?
Sergei has 2 syllables.
When was Sergei most popular?
Sergei peaked in 1998, when 16 babies were given the name. Its usage has held steady over the past decade.
Is Sergei a good name?
That is not something records can settle, but they can tell you what you would be choosing. Sergei currently ranks #12,830 in the United States. Its usage has held steady over the past decade. Everything else — how it sounds with your surname, who it reminds you of — is yours.