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What does Si mean?

Si Pronunciation of Si [si] as a name for boys is a Hebrew name, and Si means "to hear, listen; reputation". Si is an alternate spelling of Simon (Hebrew).


4 alternative forms via Simon: Sim, Simen, Simms and Syms.

Creative forms:
(male) Sei, Sin, ..

(female) Se, Sie, ..

Middle name pairings:
Si Jaxen (S.J.), ..

How popular is Si?

Si is an uncommon first name for males but a very popular last name for all people (#32743 out of 150436, Top 22%). (2000 U.S. Demographics)

Which version is better?

with its source form and related boy names. Simon (#234 from current records) and Sim are the popular varying forms of Si (not in Top 2000) listed in the Top 2000. Adoption of these forms of Si was at its highest in the 1880s (adoption of 0.1%) and has remained as conventional to this day (adoption 0.09%, 9.6% less), but with the version Sim becoming somewhat outmoded. Simon is the most fashionable name for newborns in this list. (2015 Birth Statistics)

Top 2000 baby names ranking of Sim, Simon in U.S.

Top 100 baby names ranking of Simon outside U.S.

Similar Names

Si is pronounced similarly to Cy. Other recommended names are Hi and Sid. These names tend to be more commonly used than Si.

See names
in meaning and etymology.