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Sidnei is a feminine name of Unknown origin. Sidnei is associated with a playful aesthetic.

Last reviewed · 2026-05-16

Chapter 01 / 05

What does Sidnei mean?

Sidnei means an older, unattested meaning and comes from Unknown origin.

ith its open sounds and lively rhythm, Sidnei brings a cheerful, easygoing feel. The two-syllable structure invites a sense of playfulness, resonating with names like Sidney and its classic charm.

Chapter 02 / 05

How does Sidnei sound?

Chapter 03 / 05

How popular is Sidnei?

In 2026, Sidnei sits outside the U.S. SSA top-1000 chart, with 145 years of historical data on record.

Chapter 04 / 05

What names are similar to Sidnei?

Chapter 05 / 05

About the name Sidnei

What does the name Sidnei mean?
Sidnei means an unattested or ambiguous historical meaning and comes from Unknown origin.
Where does the name Sidnei come from?
Sidnei traces to a Unknown origin and continues to appear in U.S. SSA records.
How popular is the name Sidnei?
Sidnei currently sits outside the U.S. SSA top-1000 chart in 2026.
Is Sidnei a boy or girl name?
Sidnei is most commonly used as a feminine name.

Explore names like Sidnei