MallowbyNames

Deno

DEE-noh · Uncertain; possibly a diminutive or variant of names like Dennis or Dean.

Peak popularity
1912
Usually for
Boys
Trend
Holding steady

Holding steady.

Popularity of Deno since 1912

Babies named Deno per year in U.S. Social Security records. Raw births topped out in 1960, but relative to how few babies were recorded back then, Deno's real moment was 1912.

112233192019602000Most births 1960Boys
Data table (by decade)
DecadeBoys
1910s63
1920s90
1930s61
1940s59
1950s126
1960s194
1970s60
1980s40
1990s6
2000s5
2010s0
2020s0

Meaning & origin

Deno is an exceptionally rare American given name. According to Social Security Administration data, it was recorded only once in history, in 1912, and has not appeared since. With no ranked position and a 1-in-N ratio that cannot be calculated due to its rarity, Deno represents a unique but nearly forgotten entry among early 20th-century names. Its peak and only year of use was 1912, and its trajectory is essentially flat because no subsequent births have been recorded. The name does not appear in any top state data, confirming its fringe status. While its exact derivation is uncertain, Deno likely functioned as a casual diminutive or variant of more common names such as Dennis or Dean. Its isolation in the historical record makes it a true curiosity for those seeking an unheard-of name, but its lack of established usage also means it carries no cultural or etymological weight. Parents considering Deno today would be choosing a name with virtually no modern precedent.

Deno is a rare name that likely originated as a short form or variant of Dennis (from Greek Dionysios, “follower of Dionysus”) or possibly from Dean (from Old English denu, “valley”). Its modern usage is sporadic, with a single recorded birth in the United States in 1912, and no consistent tradition.

Sibling names for Deno

Names that share Deno's style, for a brother or sister.

Sisters: Eloise, Mae, Claire, Nora, June

Brothers: Dean, Leo, Jay, Ray, Finn

A parent animal hugging its little one, the personalized name page

D is for Deno, our favorite little boy.

D is for Deno…”

In a Mallowby alphabet book, Deno's letter becomes Deno's page: hand-illustrated, printed hardcover or paperback, made just for them.

Make Deno's book

Books for siblings or grandkids? The second book is 15% off.

Questions parents ask

What does the name Deno mean?
The meaning of Deno is uncertain; it may be a diminutive or variant of names like Dennis or Dean, each with different origins.
How popular is Deno?
Deno is extremely rare. According to the U.S. Social Security data, it was recorded only once, in 1912, and has not ranked in any subsequent year.
Is Deno a boy or girl name?
Deno has historically been used as a masculine name, though its rarity makes gender association very weak.