Seidy
Every Seidy since 1992 — 344 of them. Popularity, births, and rankings for each year, from official Social Security records.
The story of Seidy
Seidy is not currently in use for newborns in the United States — fewer than five babies received the name in 2025. Its story lives in the historical record below.
Since 1992, 344 American babies have been named Seidy. Its peak came in 2013, when 19 newborns received the name — the signature sound of the 2010s.
The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Seidy stood among all girls' names in any year, or use the compare tool to plot it against other names.
Seidy year by year
Every year since 2001, and five-year steps back to 1880. Rank is within each sex.
| Year | Girls | Girls rank |
|---|---|---|
| 2025 | — | — |
| 2024 | 12 | #8,867 |
| 2023 | 13 | #8,421 |
| 2022 | 9 | #11,101 |
| 2021 | 8 | #12,032 |
| 2020 | 8 | #11,975 |
| 2019 | 8 | #12,269 |
| 2018 | 7 | #13,589 |
| 2017 | 6 | #15,628 |
| 2016 | — | — |
| 2015 | 10 | #10,750 |
| 2014 | 10 | #10,825 |
| 2013 | 19 | #6,684 |
| 2012 | 10 | #11,126 |
| 2011 | 11 | #10,285 |
| 2010 | 11 | #10,356 |
| 2009 | 11 | #10,554 |
| 2008 | 17 | #7,692 |
| 2007 | 17 | #7,683 |
| 2006 | 13 | #9,187 |
| 2005 | 13 | #8,782 |
| 2004 | 14 | #8,160 |
| 2003 | 15 | #7,517 |
| 2002 | 12 | #8,740 |
| 2001 | 14 | #7,662 |
| 2000 | 6 | #14,687 |
| 1995 | 11 | #7,974 |
| 1990 | — | — |
| 1985 | — | — |
| 1980 | — | — |
| 1975 | — | — |
| 1970 | — | — |
| 1965 | — | — |
| 1960 | — | — |
| 1955 | — | — |
| 1950 | — | — |
| 1945 | — | — |
| 1940 | — | — |
| 1935 | — | — |
| 1930 | — | — |
| 1925 | — | — |
| 1920 | — | — |
| 1915 | — | — |
| 1910 | — | — |
| 1905 | — | — |
| 1900 | — | — |
| 1895 | — | — |
| 1890 | — | — |
| 1885 | — | — |
| 1880 | — | — |
Frequently asked questions
How popular is the name Seidy in 2025?
Seidy did not appear in the 2025 Social Security data, which means fewer than five babies received the name that year.
How many people are named Seidy?
344 babies have been named Seidy in the United States since 1992, based on Social Security card applications.
When was the name Seidy most popular?
Seidy peaked in 2013, when 19 newborns received the name.
Is Seidy a boy or girl name?
Seidy is overwhelmingly a girl's name — 100% of babies with the name.
Is the name Seidy rising or falling?
Seidy is declining — less popular now than a decade ago.