MallowbyNames

Trudy

TROO-dee · Diminutive of Gertrude, meaning 'spear strength'.

2025 rank (girls)
#5,099
Babies named in 2025
25
Peak popularity
1946
2025 frequency
1 in 64,291 girls
Usually for
Girls
Trend
Declining since 1985

Declining since 1985, #5,099 for girls today.

Popularity of Trudy since 1896

Babies named Trudy per year in U.S. Social Security records.

325650975192019602000Most births 1947Girls
Data table (by decade)
DecadeGirls
1890s19
1900s64
1910s230
1920s367
1930s756
1940s6,196
1950s8,348
1960s5,923
1970s2,200
1980s664
1990s290
2000s205
2010s207
2020s154

Meaning & origin

Trudy is a name with classic mid-century charm, now enjoying a quieter presence. It entered U.S. records in 1896 and reached its peak popularity in 1946, during a time when many diminutives like Betty and Peggy were common. Since 1985, its usage has been steadily declining, and as of 2025 it ranks 5,099th, with about 1 in 64,291 newborns receiving the name. Trudy is strongly associated with the 1940s, though it has not seen a revival. The name's straightforward pronunciation and friendly sound keep it recognizable, even as it has become less frequent in modern naming trends. Its Germanic roots connect it to names like Gertrude, and it retains a sturdy, approachable feel.

Trudy originated as a pet form of Gertrude, derived from the Germanic elements 'ger' (spear) and 'thrud' (strength). It became an independent given name in the English-speaking world by the late 19th century, often used as a nickname before standing alone. The name was especially popular in the mid-20th century.

Where Trudy is most popular

Births per 100,000 girls by state. Press play or drag the slider to watch it move across the decades. The lightest shade means too few recorded births.

2020s
Fewermore per 100k girlstoo few births

Nicknames & variants

Variants: Trudi, Trudie

Sibling names for Trudy

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

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

T is for Trudy, our favorite little girl.

T is for Trudy…”

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

Make Trudy's book

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

Questions parents ask

What does the name Trudy mean?
Trudy is a diminutive of Gertrude, meaning 'spear strength'.
How popular is the name Trudy right now?
As of 2025, Trudy ranks 5,099th in the United States, with about 1 in 64,291 baby girls given the name.
Is Trudy a girl's name?
Yes, Trudy is almost exclusively used as a girl's name.