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Sydni

Girl

Meaning of Sydni: English: 'variant of Sidney'

Sydni is a girl's name most strongly associated with English naming. It has 5 letters and 2 syllables, and it is a genuinely rare and unique choice — 10945th most popular girls' name in the United States in 2025.

US rank 2025

#10945

8 babies in 2025

England & Wales 2024

—

Fewer than 3 babies or unlisted

US babies since 1880

5,361

First recorded 1947 · peak 2000

Trend

stable

Style: rare

Popularity over time

1981: 0 babies1982: 9 babies1983: 13 babies1984: 11 babies1985: 19 babies1986: 19 babies1987: 40 babies1988: 43 babies1989: 63 babies1990: 89 babies19901991: 93 babies1992: 116 babies1993: 119 babies1994: 162 babies1995: 242 babies1996: 235 babies1997: 253 babies1998: 240 babies1999: 397 babies2000: 468 babies20002001: 399 babies2002: 331 babies2003: 314 babies2004: 247 babies2005: 200 babies2006: 176 babies2007: 129 babies2008: 130 babies2009: 109 babies2010: 104 babies20102011: 85 babies2012: 71 babies2013: 53 babies2014: 71 babies2015: 42 babies2016: 40 babies2017: 45 babies2018: 33 babies2019: 31 babies2020: 28 babies20202021: 16 babies2022: 16 babies2023: 5 babies2024: 15 babies2025: 8 babies
US babies named Sydni per year (Social Security Administration). Peak bar = 468.

Gender split

0% boys · 100% girls, based on US, UK and international usage.

Origins & cultures

More English girls' names

Other names starting with S