What does Sidnei mean and where does it come from?
Sidnei is a feminine variant of the traditionally male name Sidney. The name is more common in Brazil and has been adopted in the United States. It has a modern and trendy sound, often appealing to parents looking for gender-neutral or unique names. The name Sidney has historical roots going back to
Cultural significance
Sidnei has been a cherished name across cultures, particularly in Brazil-speaking communities, where it reflects values of a variant of sidney, which means 'wide island' or 'at the sidon's island' in old english..
Peak popularity
Reached #14447 in 2006 — currently #1417 in the US.
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Related Reading
Brazil-origin baby names with timeless appeal
Browse names →What middle names flow best with Sidnei?
Sidnei works best with short, strong middle names — one or two syllables keep the full name from becoming a mouthful
Sidnei Grace
Most popular combo · classic
Sidnei Rose
Floral · soft ending
Sidnei Mae
Sweet · timeless
Sidnei Claire
French influence · crisp
Sidnei Jane
Literary · strong
Sidnei Skye
Modern · airy feel
How popular is Sidnei right now?
Holding steady — currently #1417 in the US out of 135.5k tracked names
| Year | US Rank | Births | vs Prior Year |
|---|
| 2023 | #1417 | 783 | ▲ up 5 · +3% births |
| 2022 | #1422 | 763 | ▲ up 5 · +4% births |
| 2021 | #1427 | 733 | ▲ up 14252 · +14560% births |
| 1995 | #15679 | 5 | — |
The story of Sidnei
Sidnei is a relatively modern name, first appearing in US records in 1995. With 24 total births recorded, Sidnei remains relatively uncommon. The name has grown more popular over time, rising from #15679 in 1995 to #1417 in 2023.
Names that peaked alongside Sidnei in 2006:
Sidnei by decade
| Decade | Births | |
|---|
| 1990s | 5 | |
| 2000s ★ | 13 | |
| 2010s | 6 | |
💎Sidnei has only 24 total recorded births since 1995 — rarer than 99% of names in our database.
What are good nicknames for Sidnei?
What names sound and feel like Sidnei?
Based on sound, origin, and style — parents who love Sidnei also consider these
Common questions about the name Sidnei
What does the name Sidnei mean?
Sidnei means "A variant of Sidney, which means 'wide island' or 'at the Sidon's island' in Old English." — a name rooted in Brazil tradition that carries both historical depth and timeless appeal. The meaning reflects values that have made this name endure across generations.
How popular is the name Sidnei?
Sidnei is currently a distinctive and less common name as a girl name in the US and is holding steady in popularity, a reliable classic that parents consistently choose.
What is the cultural origin of Sidnei?
Sidnei originates from Brazil tradition. Brazil names tend to carry strong cultural heritage and have spread across the world through migration, literature, and religion over centuries.
Is Sidnei a common or rare name?
Sidnei is a distinctive choice that balances familiarity with individuality. It strikes a balance between standing out and fitting in.
What are good nicknames for Sidnei?
Sidnei naturally lends itself to affectionate nicknames. Shortened versions based on the first syllable are most popular, and many parents also create unique pet names that feel personal to their family.