Unisex · #10,774 in 2026

Si

Si is a given name, which is often a nickname or a short version of Simon, Silas, or other names. It may refer to the following notable people:Si Begg, English electronic dance music DJ, musician and record producer Si Bell (1894–1972), American college football player Si Kaddour Benghabrit (1868–1954), Algerian religious leader, translator and interpreter Si Burick (1909–1986), American sports…

Current Rank
#10,774
Peak Rank
#5,659 (2013)
Total Babies
166
5-Yr Trend
Stable
👧 Girl peak #12,153 (19 total)
👦 Boy peak #5,659 (166 total)
👦As Boy Name
1927
First Year
2017
Last Year
2013
Peak Year
#5659
Peak Rank
166
Total Count
24
Years Active
👧As Girl Name
2006
First Year
2011
Last Year
2011
Peak Year
#12153
Peak Rank
19
Total Count
3
Years Active

Meaning & Origin of Si

What this name means, where it came from, and how it has traveled across cultures.

Si is a given name, which is often a nickname or a short version of Simon, Silas, or other names. It may refer to the following notable people:Si Begg, English electronic dance music DJ, musician and record producer Si Bell (1894–1972), American college football player Si Kaddour Benghabrit (1868–1954), Algerian religious leader, translator and interpreter Si Burick (1909–1986), American sports…

Source: Wikipedia (CC BY-SA 3.0). Read more →

The Story of Si

As a girl name

Si first appeared in U.S. Social Security Administration records as a girl name in 2006, with 6 babies given the name that year. Its peak popularity came in 2011, when 8 Sis were born — ranking #12,153 that year. As of 2026, Si ranks #12,153 for girls with 8 births, with steady use. In total, more than 19 Sis have been born in the U.S. since records began in 1880, spanning the 2000s through the 2020s.

As a boy name

Si first appeared in U.S. Social Security Administration records as a boy name in 1927, with 5 babies given the name that year. Its peak popularity came in 2013, when 15 Sis were born — ranking #5,659 that year. As of 2026, Si ranks #10,774 for boys with 6 births, with steady use. In total, more than 166 Sis have been born in the U.S. since records began in 1880, spanning the 1920s through the 2020s.

Popularity Over Time

Girls Boys

Popularity by State

ME
WA
MT
ND
MN
WI
MI
NY
VT
NH
MA
OR
ID
SD
IA
IL
IN
OH
PA
NJ
CT
RI
CA
NV
WY
NE
MO
KY
WV
VA
MD
DE
DC
UT
CO
KS
AR
TN
NC
SC
AK
AZ
NM
OK
LA
MS
AL
GA
HI
TX
FL
Top 10
11-50
51-100
101-500
500+
No data

Names that sound like Si

Phonetically similar names — useful when Si is the vibe but a different syllable count or letter feel might suit better. Linked entries have a profile on Peek a Name.

Source: Datamuse . Phonetic similarity ranking, not curated.

Frequently Asked Questions about Si

What does the name Si mean?
Si is a given name, which is often a nickname or a short version of Simon, Silas, or other names. It may refer to the following notable people:Si Begg, English electronic dance music DJ, musician and record producer Si Bell (1894–1972), American college football player Si Kaddour Benghabrit (1868–1954), Algerian religious leader, translator and interpreter Si Burick (1909–1986), American sports…
How popular is Si in 2026?
In 2026, Si ranks #10,774 among boys' names in the U.S., with 6 babies given the name that year.
When was Si most popular?
Si reached its peak popularity in 2013, ranking #5,659 that year with 15 babies given the name.
Is Si a unisex name?
Yes — Si is used for both girls and boys in U.S. records, with about 10% of Sis assigned female and 90% assigned male historically.
What names go well with Si?
Names that share a similar style or popularity range with Si include Kempton, Selso, Kengo. These pairings are based on rank proximity and naming era in U.S. data.

About the name Si

Si is a unisex baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 1927 and has accumulated 166 births in the dataset. Si's peak popularity came in 2013 when it ranked #5,659. Use the chart and map above to compare Si's trajectory across years and U.S. states, or browse the related names section to discover similar choices.

Continue exploring

Data sources

  • Birth statistics (counts, ranks, years 1880–2026) — U.S. Social Security Administration . Predictions for years not yet released by SSA are computed by Peek a Name from historical trends; we update with official data as soon as it ships.
  • Etymology, cultural origins, and related forms — Behind the Name (used under their public API terms).
  • Meaning prose and editorial summary — Wikipedia article extracts, licensed under CC BY-SA 3.0 .
  • Predicted nationality distribution — Nationalize.io .
  • Phonetically similar names — Datamuse .

Peek a Name aggregates and presents the above data for informational purposes. Statistical predictions and external attributions are clearly labelled where shown; we make no guarantee of accuracy beyond what each source provides.