Glennis
Girl name · American · English · Welsh
- US rank
- Unranked
- Syllables
- 2
- Peak
- #903 in 1939
0 babies were named Glennis in the US in 2025.
Found on lists
Save adds it to your list. Vote moves it up the top voted names.
US births per million girls, 1912–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Glennis you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistoryGlennis first shows up in US birth records in 1912, the first year at least 5 babies got it. It has been in use for 113 years since.
- Best yearIts best year was 1939, when it reached #903.
About the name Glennis
Glennis is a girl name of American, English and Welsh origin. It has 7 letters and 2 syllables, starting with G and ending in “-nis”. US birth records list Glennis for girls from 1912 to 1997, in 80 of those 86 years. Its best year was 1939, when it ranked #903 among girl names. It hasn't been given to 5 or more US babies in a year since 1997, so today it's a genuinely rare choice.
Origin:American namesEnglish namesWelsh names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1910s | 20 | 49,231 girls |
| 1920s | 30 | 33,389 girls |
| 1930s | 38 | 26,589 girls |
| 1940s | 29 | 34,710 girls |
| 1950s | 17 | 60,060 girls |
| 1960s | 12 | 81,103 girls |
| 1970s | 6.3 | 158,479 girls |
| 1980s | 3.9 | 258,398 girls |
| 1990s | 1.2 | 808,081 girls |
Other spellings of Glennis
More American girl names
- Girl name: Lainey · possibly light
- Girl name: Daisy · day's eye
- Girl name: Josie · he will add
- Unisex name: Kinsley · king's meadow
- Girl name: Sienna · from Siena
- Unisex name: Brooklyn · from Brooklyn, New York
- Girl name: Summer · summer
- Unisex name: Stevie · crown
Questions about the name Glennis
What is the origin of the name Glennis?
Glennis has American, English, Welsh roots in our records. Other American names include Lainey, Daisy, Josie.
Is Glennis a boy or girl name?
Glennis is a girl name.
How popular is the name Glennis?
Glennis is rare: fewer than 5 US girls got it in 2025, and it was last given to 5 or more in 1997. It peaked at #903 in 1939.