Sidnei

“A variant of Sidney, which means 'wide island' or 'at the Sidon's island' in Old English.”

Brazil origin · Girl name

♂ 3% boys♀ 97% girls

#1417US 2023

783Births / yr

→Stable

24All-time births

📅 Since 199500

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.

🌿

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

How popular is Sidnei right now?

Holding steady — currently #1417 in the US out of 135.5k tracked names

US Trend 1995–2023#1417 · Top 1.0%

1995

2021

2022

2023

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	—

Name Popularity Timeline

Popularity Statistics for Sidnei

Best Year2023Rank #1417

Peak Count783

Average Rank#4986

Current Trend→Stable

Data Range1995 - 20234 years

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:

Emily Emma Madison Isabella Ava

Sidnei by decade

Sidnei peaked in the 2000s. See all 2000s names →

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?

Common

SidSiIdnei

What names sound and feel like Sidnei?

Based on sound, origin, and style — parents who love Sidnei also consider these

Sidni

English · Variation of Sydney;

Sidney

American · English

Sidnee

English · wide island

Sydnei

American · From Sidon, a

Cydnei

American · English

Shanei

American · A variation of

Whitnei

American · Derived from the

Britnei

American · Britnei is a

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.