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Sydni

Gender
Girl
Say it
SID-nee
Origin
English
US rank, 2025
#10,913 for girls

Sydni is a girls' name of English origin, meaning “wide island”. In 2025 it ranked 10,913th for girls in the US (8 babies).

What does Sydni mean?

English: spelling of Sydney, a surname from a place name

“wide island”

Sydney, Australia, was named after the British Home Secretary Lord Sydney.

Is Sydni a girl's or a boy's name?

Sydni is a girls' name. In 2025, it was given to 8 girls in the US. Too few boys were given it to be listed.

How popular is Sydni in the UK?

No girls in the UK were given it in 2025, or too few to be listed. Its busiest year was 2006, with 8 girls.

Half of all the girls named Sydni in the UK since 1996 were born between 2001 and 2010. It was already well used in 1996, when the records begin, so earlier girls aren't counted.

1996Busiest: 8 in 20062017
Sydni in the UK, year by year
YearGirlsRank
20171#7,682
20165#4,290
20151#7,629
20143#5,920
20134#4,953
20120–
20114#4,980
20103#5,938
20094#4,795
20088#2,895
20073#5,415
20068#2,657
20050–
20043#4,789
20030–
20026#2,691
20015#2,928
20005#2,907
19994#3,374
19984#3,310
19970–
19963#3,935

How popular is Sydni in the US?

Rank in 2025
10,913th among girls
Babies in 2025
8 about 1 in 200,000 girls
Five-year trend
Falling fast down 70% in five years
Same name in a class
under 1% chance among 15 girls

In 2025, 8 girls in the US were named Sydni, making it the 10,913th most popular name for girls. Five years earlier, in 2020, it was 4,646th. Its busiest year was 2000, with 468 girls. It first appears in the records in 1947.

Half of all the girls named Sydni in the US since 1880 were born between 1997 and 2005, the years shaded on the chart below.

In 2025, 1,018 girls in the US were given Sydni or a name that sounds the same. With every name's spellings counted this way, that ranks #329, up from #10,913 for this spelling alone.

1947Busiest: 468 in 20002025
Sydni in the US, year by year
YearGirlsRank
20258#10,913
202415#7,247
20235#15,188
202216#6,979
202116#6,962
202028#4,646
201931#4,436
201833#4,236
201745#3,435
201640#3,777
201542#3,649
201471#2,515
201353#3,075
201271#2,548
201185#2,216
2010104#1,928
2009109#1,914
2008130#1,713
2007129#1,695
2006176#1,327
2005200#1,158
2004247#970
2003314#784
2002331#736
2001399#627
2000468#557
1999397#611
1998240#878
1997253#817
1996235#847
1995242#813
1994162#1,103
1993119#1,372
1992116#1,407
199193#1,613
199089#1,653
198963#1,993
198843#2,484
198740#2,529
198619#4,184
198519#4,125
198411#5,898
198313#5,147
19829#6,886
19810–
19800–
19790–
19780–
19770–
19760–
19756#7,982
19740–
19730–
19720–
19717#6,617
19705#7,994
19690–
19680–
19670–
19669#4,492
19650–
19640–
19630–
19620–
19610–
19600–
19590–
19580–
19570–
19560–
19550–
19540–
19530–
19520–
19510–
19500–
19490–
19480–
19475#5,293

Nicknames for Sydni

Names like Sydni

Names given in the same years and the same naming tradition, with a similar sound.

Other spellings of Sydni

Names related to Sydni

More English names

Every English name

Sources

Figures from Baby names in England and Wales (Office for National Statistics), Babies' first names (National Records of Scotland), Baby names (Northern Ireland Statistics and Research Agency) and Popular Baby Names (US Social Security Administration). Nameling last updated them on 20 October 2026. How the figures are worked out, and the data to download.

To cite this page: Nameling, “Sydni: name meaning, origin and popularity”, https://www.nameling.co.uk/names/sydni, updated 20 October 2026.