
The short answer
Sunday is a feminine name used in English. Behind the Name describes it this way: "From the name of the day of the week, which ultimately derives from Old English sunnandæg, which was composed of the elements sunne ‘sun’ and dæg ‘day’. This name is most common in Nigeria and other parts of Africa." It ranked #947 for girls in the United States in 2025.
Meaning and etymology
According to Behind the Name, from the name of the day of the week, which ultimately derives from Old English sunnandæg, which was composed of the elements sunne ‘sun’ and dæg ‘day’. This name is most common in Nigeria and other parts of Africa. The entry lists its usage as English.
Editorial confidence: likely
Popularity
Sunday ranked #947 for girls in the United States in 2025. The figure comes from the Social Security Administration's national file for that year.
| Region | Year | Rank | Source |
|---|---|---|---|
| United States | 2025 | #947 | ssa-2025 |
If you like this name
Names that Behind the Name files under the same origin (English) and that sit near Sunday in the 2025 American rankings.
Similar by origin
Frequently asked questions
What does the name Sunday mean?
Behind the Name does not give Sunday a one-word meaning. It describes the name as follows: from the name of the day of the week, which ultimately derives from Old English sunnandæg, which was composed of the elements sunne sun and dæg day.
Is Sunday a popular name?
Sunday ranked #947 for girls in the United States in 2025. (Social Security Administration data).
Is Sunday a boy's or a girl's name?
In the 2025 SSA data Sunday appears in the girls' list; Behind the Name labels it masculine & feminine.
Sources
- Behind the Name: Meaning, origin and history of the name Sunday — supports meaning, usage, pronunciation, variants.
- U.S. Social Security Administration: Popular Baby Names — national data, year of birth 2025 — supports popularity.