Denni
- US rank
- Unranked
- Syllables
- 2
- Peak
- #3,571 in 1955
0 babies were named Denni 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, 1955–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Denni you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistoryDenni first shows up in US birth records in 1955, the first year at least 5 babies got it. It has been in use for 70 years since.
- Best yearIts best year was 1955, when it reached #3,571.
About the name Denni
Denni is a girl name of English and French origin. It has 5 letters and 2 syllables, starting with D and ending in “-nni”. US birth records list Denni for girls from 1955 to 2024, in 29 of those 70 years. Its best year was 1955, when it ranked #3,571 among girl names. It hasn't been given to 5 or more US babies in a year since 2024, so today it's a genuinely rare choice.
Origin:English namesFrench names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1950s | 2.4 | 416,667 girls |
| 1970s | 4.9 | 204,918 girls |
| 1980s | 1.1 | 934,579 girls |
| 1990s | 1.2 | 869,565 girls |
| 2000s | 0.9 | 1,162,791 girls |
| 2010s | 0.9 | 1,149,425 girls |
| 2020s | 3.5 | 289,017 girls |
Other spellings of Denni
More English girl names
- Girl name: Olivia · olive tree
- Girl name: Charlotte · free
- Unisex name: Harper · harp player
- Girl name: Elizabeth · God is my oath
- Girl name: Lily · lily flower
- Girl name: Lucy · light
- Girl name: Lainey · possibly light
- Girl name: Scarlett · scarlet red
Questions about the name Denni
What is the origin of the name Denni?
Denni has English, French roots in our records. Other English names include Olivia, Charlotte, Harper.
Is Denni a boy or girl name?
Denni is a girl name.
How popular is the name Denni?
Denni is rare: fewer than 5 US girls got it in 2025, and it was last given to 5 or more in 2024. It peaked at #3,571 in 1955.