boy's name
Sylvanus
- Gender Boy
- Syllables 3
- Letters 8
- Popularity Rare
- Births on record 470
Sylvanus is a boy's name with 3 syllables. In 2025 it was given to 5 babies in the United States. It is a rare choice.
- Peaked in 1915, when 15 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.
- 3 syllables, with the stress on syllable 1.
Sylvanus over time
Births per decade in the United States, 1880s 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 |
|---|---|
| 1880s | 23 |
| 1890s | 8 |
| 1900s | 11 |
| 1910s | 81 |
| 1920s | 97 |
| 1930s | 34 |
| 1940s | 40 |
| 1950s | 13 |
| 1960s | 5 |
| 1970s | 15 |
| 1980s | 28 |
| 1990s | 16 |
| 2000s | 35 |
| 2010s | 31 |
| 2020s (to 2025) | 33 |
How popular is Sylvanus?
In 2025, Sylvanus was given to 5 babies in the United States. It is a rare choice.
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 Sylvanus
These names rose and fell in the same era, which is why they tend to sound like they belong together.
Parents who like Sylvanus also like
Names whose popularity has risen and fallen in step with Sylvanus over the last century — the same taste, a different name.
Sibling names for Sylvanus
Names from the same era that won't rhyme or share an initial with Sylvanus — the two things that make a sibling set grate.
Common questions about Sylvanus
How popular is the name Sylvanus?
In 2025, Sylvanus was given to 5 babies in the United States. It is a rare choice.
Is Sylvanus a girl's or a boy's name?
Sylvanus is given almost entirely to boys in birth records.
How many syllables are in Sylvanus?
Sylvanus has 3 syllables.
When was Sylvanus most popular?
Sylvanus peaked in 1915, when 15 babies were given the name. Its usage has held steady over the past decade.
Is Sylvanus a good name?
That is not something records can settle, but they can tell you what you would be choosing. Sylvanus currently ranks #13,924 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.