A 1950s favorite, climbing again.
Popularity of Daleen since 1942
Babies named Daleen per year in U.S. Social Security records.
Data table (by decade)
| Decade | Girls |
|---|---|
| 1940s | 21 |
| 1950s | 83 |
| 1960s | 81 |
| 1970s | 30 |
| 1980s | 0 |
| 1990s | 6 |
| 2000s | 0 |
| 2010s | 22 |
| 2020s | 5 |
Meaning & origin
Daleen is a feminine name that first appeared in U.S. records in 1942, during a period when many similar 'valley'-derived names (like Dale and Dena) were fashionable. Its peak year was 1950, reflecting the post-World War II naming boom for soft, melodic names. After decades of quiet use, the name has shown a notable resurgence, rising again since 2022. Daleen remains a rare choice, with a 1-in-N birth rate too low to report, making it distinctive for parents seeking a name with mid-century charm. Though its origins are uncertain, its elision of the familiar Dale and the popular suffix -een aligns it with other Irish- and English-inspired names like Maureen and Colleen.
Daleen first appeared in the United States in the 1940s, likely as a feminine elaboration of the surname and place name Dale, which derives from Old English dæl meaning 'valley'. It may also be a variant spelling of Dalene, itself a combination of Dale and the common feminine suffix -ene. The name saw modest use in the mid-20th century, particularly peaking in the 1950s.
Nicknames & variants
Nicknames: Dale, Leen, Dee
Sibling names for Daleen
Names that share Daleen's style, for a brother or sister.

