MallowbyNames

Earnstine

URN-steen · Of uncertain origin, likely a feminine variant of Ernest or Earnest, meaning 'serious' or 'sincere'.

Peak popularity
1923
Usually for
Girls
Trend
Holding steady

Holding steady.

Popularity of Earnstine since 1923

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

371019602000Most births 1923Girls
Data table (by decade)
DecadeGirls
1920s29
1930s52
1940s47
1950s25
1960s0
1970s0
1980s0
1990s0
2000s0
2010s0
2020s0

Meaning & origin

Earnstine is an exceedingly rare name, first recorded in the United States in 1923 and appearing only in that single year. With no subsequent usage recorded through 2025, it remains a true one-hit wonder in American naming history. Its peak and only year of use coincides with the 1920s, a decade that saw many elaborate feminine forms like Ernestine and Bernadine gain modest traction. The lack of top states or patterned trajectory suggests isolated, idiosyncratic use rather than regional popularity. For parents drawn to the sound of Ernestine but seeking an even rarer spelling, Earnstine offers a uniquely scarce option, though its obscurity means it carries little contemporary cultural weight.

Earnstine is a feminine form of Ernest, which derives from the Old German word 'ernust', meaning 'serious' or 'sincere'. The name Ernest was introduced to England by the Hanoverian dynasty in the 18th century, and its variant Earnest has been used occasionally. The feminine Earnstine likely emerged as a rare elaboration in the early 20th century, mirroring the pattern of adding '-ine' to masculine names to create feminine versions.

Nicknames & variants

Nicknames: Ernie, Earnie, Steen

Variants: Ernestine, Ernistine, Earnestine

Sibling names for Earnstine

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

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

E is for Earnstine, our favorite little girl.

E is for Earnstine…”

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

Make Earnstine's book

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

Questions parents ask

What does the name Earnstine mean?
Earnstine is generally considered a feminine variant of Ernest, meaning 'serious' or 'sincere'. However, the spelling with 'ea' is rare and may have been influenced by the word 'earnest'.
Is Earnstine a popular name today?
Earnstine is extremely rare. It was first recorded in 1923, the only year it appeared in U.S. data, with no recorded births in recent decades.
Is Earnstine a boy or girl name?
Earnstine is used almost exclusively as a girl's name, being a feminine form of Ernest.