Meaning not yet researched.
Sydni: US girls given the name each year, 1880 to 2025, from Social Security card applications. 8 in 2025. Its best rank was #559 in 2000.
US births per year · SSA card applications
Peaked at #559 in 2000; #11,816 in 2025. Every baby recorded as Sydni in 2025 was a girl.
Baby name · US data 1880–2025
#11,816 for US girls in 2025. Its best year was 2000, at #559.
Hover, tap or use the arrow keys for any year. Years with fewer than five babies of a sex are not published by SSA and show as zero.
Sydni: US girls given the name each year from 1880 to 2025. 8 girls in 2025. Peak: #559 in 2000 · most girls in one year: 468 (2000).
In 2025, 8 US girls were named Sydni, making it the 11,816th most common girls’ name of the year, down 4,259 places from #7,557 in 2024. That is 7 fewer than the 15 girls named Sydni in 2024. Its best rank for girls was #559, reached in 2000. That year also had the most girls given the name: 468. For comparison, it was #3,695 in 2015 and unranked in 1950.
Social Security card records list Sydni in 49 years of the 146 from 1880 to 2025, starting in 1947 with 5 babies. In all, 5,361 US babies have been given the name, all of them girls. Its busiest decade was the 2000s, with 2,503 babies named Sydni.
Over the 10 years from 2016 to 2025, 237 US girls were named Sydni; the busiest of those years was 2017, with 45. In 2025 that was about 1 in 200,908 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Sydney (187,700 babies since 1880), Sydnee (8,255 babies since 1880) and Sydnie (5,187 babies since 1880). Rarer spellings such as Cydni and Cidni are summarised on this page.
Meaning not yet researched.
We publish a meaning only with a cited source and a confidence label, and never generate one. Meanings are being researched for the most common names first.
Rare spellings summarised here: Cydni (590), Cidni (5).
Numbers are all-time US births. Links come from Wikidata’s “said to be the same as” (P460, CC0) and our spelling rule: at most two letters different, with the same sound pattern.
No nicknames listed for Sydni in the open dataset we use.
Source: carltonnorthern/nicknames (Apache-2.0).
Births and national rank for each year SSA lists the name, newest first.
| Year | Girls | Girls rank | Boys | Boys rank |
|---|---|---|---|---|
| 2025 | 8 | #11,816 | — | — |
| 2024 | 15 | #7,557 | — | — |
| 2023 | 5 | #17,347 | — | — |
| 2022 | 16 | #7,251 | — | — |
| 2021 | 16 | #7,224 | — | — |
| 2020 | 28 | #4,745 | — | — |
| 2019 | 31 | #4,531 | — | — |
| 2018 | 33 | #4,345 | — | — |
| 2017 | 45 | #3,474 | — | — |
| 2016 | 40 | #3,845 | — | — |
| 2015 | 42 | #3,695 | — | — |
| 2014 | 71 | #2,533 | — | — |
| 2013 | 53 | #3,119 | — | — |
| 2012 | 71 | #2,563 | — | — |
| 2011 | 85 | #2,236 | — | — |
| 2010 | 104 | #1,937 | — | — |
| 2009 | 109 | #1,931 | — | — |
| 2008 | 130 | #1,715 | — | — |
| 2007 | 129 | #1,702 | — | — |
| 2006 | 176 | #1,330 | — | — |
| 2005 | 200 | #1,161 | — | — |
| 2004 | 247 | #971 | — | — |
| 2003 | 314 | #787 | — | — |
| 2002 | 331 | #738 | — | — |
| 2001 | 399 | #630 | — | — |
| 2000 | 468 | #559 | — | — |
| 1999 | 397 | #611 | — | — |
| 1998 | 240 | #883 | — | — |
| 1997 | 253 | #818 | — | — |
| 1996 | 235 | #850 | — | — |
| 1995 | 242 | #815 | — | — |
| 1994 | 162 | #1,113 | — | — |
| 1993 | 119 | #1,384 | — | — |
| 1992 | 116 | #1,415 | — | — |
| 1991 | 93 | #1,626 | — | — |
| 1990 | 89 | #1,668 | — | — |
| 1989 | 63 | #2,022 | — | — |
| 1988 | 43 | #2,532 | — | — |
| 1987 | 40 | #2,567 | — | — |
| 1986 | 19 | #4,332 | — | — |
| 1985 | 19 | #4,268 | — | — |
| 1984 | 11 | #6,237 | — | — |
| 1983 | 13 | #5,415 | — | — |
| 1982 | 9 | #7,395 | — | — |
| 1975 | 6 | #8,905 | — | — |
| 1971 | 7 | #7,271 | — | — |
| 1970 | 5 | #9,158 | — | — |
| 1966 | 9 | #4,815 | — | — |
| 1947 | 5 | #6,030 | — | — |
About the data: counts are Social Security card applications for US births, for names given to at least five babies of a sex in a year (SSA, names.zip, public domain). Ranks follow SSA’s own order: most births first, ties alphabetical. Files retrieved 2026-10-05 (checksum on our sources page).