unisex name
Sinclair
- Gender Unisex
- Syllables 2
- Letters 8
- Popularity Uncommon
- Births on record 2,078
Scotland
#374
1986 births
Sinclair is a unisex name with 2 syllables. It is given to both girls and boys — about 23% of recorded births with this name are girls. In 2025 it was given to 43 babies in the United States. It is used consistently but remains uncommon.
- Peaked in 2025, when 43 babies were given the name.
- It has been rising over the past decade.
- Today about 1 in 77,101 babies in the United States is given this name.
- First appears in US birth records in 1900.
- 2 syllables, with the stress on syllable 2.
Sinclair over time
Births per decade in the United States, 1900s 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 |
|---|---|
| 1900s | 13 |
| 1910s | 124 |
| 1920s | 198 |
| 1930s | 156 |
| 1940s | 120 |
| 1950s | 168 |
| 1960s | 105 |
| 1970s | 111 |
| 1980s | 169 |
| 1990s | 221 |
| 2000s | 158 |
| 2010s | 194 |
| 2020s (to 2025) | 175 |
How popular is Sinclair?
In 2025, Sinclair was given to 43 babies in the United States. It is used consistently but remains uncommon.
Where Sinclair 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.
Names that peaked alongside Sinclair
These names rose and fell in the same era, which is why they tend to sound like they belong together.
Parents who like Sinclair also like
Names whose popularity has risen and fallen in step with Sinclair over the last century — the same taste, a different name.
Sibling names for Sinclair
Names from the same era that won't rhyme or share an initial with Sinclair — the two things that make a sibling set grate.
Common questions about Sinclair
How popular is the name Sinclair?
In 2025, Sinclair was given to 43 babies in the United States. It is used consistently but remains uncommon.
Is Sinclair a girl's or a boy's name?
Sinclair is used for both girls and boys. About 23% of recorded births with this name are girls.
How many syllables are in Sinclair?
Sinclair has 2 syllables.
When was Sinclair most popular?
Sinclair peaked in 2025, when 43 babies were given the name. It has been rising over the past decade.
Is Sinclair a good name?
That is not something records can settle, but they can tell you what you would be choosing. Sinclair currently ranks #4,753 in the United States. It has been rising over the past decade. Everything else — how it sounds with your surname, who it reminds you of — is yours.