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Si

OriginSlavic
Meaning"spirit or soul"
GenderBoy & girl
US rank · girlsUnranked

Below 5 births

US rank · boysUnranked

Below 5 births

About Si

Si is an intriguing feminine name with diverse cultural origins. In Chinese, Si (pronounced 'see') can represent various characters meaning 'silk,' 'thinking,' or 'four,' depending on the tone and written character. As a Western name, Si might function as a minimalist, modern nickname for longer names like Sienna, Silvia, or Simone. This ultra-short name reflects the contemporary trend toward brief, impactful names that work across languages. In some cultures, Si can mean 'yes,' suggesting an affirmative, positive nature. While uncommon as a standalone name, Si's simplicity gives it a distinctive quality in an era of lengthier names, offering a blank canvas for the bearer's personality while being easy to pronounce across cultural boundaries.

Si for boys

Si is an intriguing antique nickname for Simon and Silas, and we’ve also heard it as a short form of names that contain the "sigh" sound, like Josiah and Osiris.

It’s too slight to stand solo on the birth certificate, but we fully endorse Si as a nickname.

Pronounced SEE.

As of October 2026, Si ranked #13186 in US births in 2011 SSA.

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Famous Sis

  • Silas 'Si' RobertsonBoy

    A&E reality TV star (Duck Dynasty)

Si in pop culture

  • Si CrowellBoy

    Paperboy in "Our Town" by Thorton Wilder

Si in blog posts

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