Day
A surname originating as a patronymic derived from a medieval diminutive of David.
Every Day since 1915 — 308 of them. Popularity, births, and rankings for each year, from official Social Security records.
The story of Day
Day is rare for girls in the United States, ranked #15,481 in 2025 with 5 babies given the name. It is currently declining compared with a decade ago.
Since 1915, 308 American babies have been named Day — about 54% girls and 46% boys, making it a genuinely unisex name. Its peak came in 1975, when 15 newborns received the name — the signature sound of the 1970s.
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 Day stood among all girls' names in any year, or use the compare tool to plot it against other names.
Day year by year
Every year since 2001, and five-year steps back to 1880. Rank is within each sex.
| Year | Girls | Girls rank | Boys | Boys rank |
|---|---|---|---|---|
| 2025 | 5 | #15,481 | 6 | #10,966 |
| 2024 | — | — | — | — |
| 2023 | — | — | — | — |
| 2022 | 8 | #11,462 | 6 | #11,186 |
| 2021 | — | — | — | — |
| 2020 | 5 | #15,701 | — | — |
| 2019 | — | — | — | — |
| 2018 | — | — | — | — |
| 2017 | 6 | #14,575 | — | — |
| 2016 | 7 | #13,252 | — | — |
| 2015 | — | — | 5 | #12,507 |
| 2014 | 7 | #13,428 | — | — |
| 2013 | — | — | — | — |
| 2012 | 6 | #15,442 | — | — |
| 2011 | — | — | — | — |
| 2010 | 5 | #17,678 | — | — |
| 2009 | — | — | 5 | #12,918 |
| 2008 | — | — | — | — |
| 2007 | 6 | #15,998 | — | — |
| 2006 | — | — | — | — |
| 2005 | — | — | — | — |
| 2004 | — | — | — | — |
| 2003 | — | — | — | — |
| 2002 | — | — | — | — |
| 2001 | 6 | #13,964 | — | — |
| 2000 | 5 | #15,643 | — | — |
| 1995 | — | — | 6 | #8,030 |
| 1990 | — | — | — | — |
| 1985 | — | — | — | — |
| 1980 | — | — | — | — |
| 1975 | 8 | #6,635 | 7 | #4,421 |
| 1970 | 7 | #6,491 | 5 | #4,867 |
| 1965 | — | — | 6 | #3,617 |
| 1960 | — | — | — | — |
| 1955 | 10 | #3,836 | — | — |
| 1950 | — | — | — | — |
| 1945 | — | — | — | — |
| 1940 | — | — | 5 | #3,561 |
| 1935 | — | — | — | — |
| 1930 | — | — | — | — |
| 1925 | — | — | 7 | #3,484 |
| 1920 | — | — | 5 | #4,451 |
| 1915 | — | — | 6 | #3,496 |
| 1910 | — | — | — | — |
| 1905 | — | — | — | — |
| 1900 | — | — | — | — |
| 1895 | — | — | — | — |
| 1890 | — | — | — | — |
| 1885 | — | — | — | — |
| 1880 | — | — | — | — |
Frequently asked questions
What does the name Day mean?
A surname originating as a patronymic derived from a medieval diminutive of David.
How popular is the name Day in 2025?
Day ranked #15,481 among girls' names in the United States in 2025, with 5 babies given the name, according to Social Security Administration data.
How many people are named Day?
308 babies have been named Day in the United States since 1915, based on Social Security card applications.
When was the name Day most popular?
Day peaked in 1975, when 15 newborns received the name.
Is Day a boy or girl name?
Day is used for both: about 54% of babies named Day have been girls and 46% boys.
Is the name Day rising or falling?
Day is declining — less popular now than a decade ago.