MallowbyNames

Jen

JEN · of uncertain origin, likely a short form of Jennifer, which itself is a Cornish variant of Guinevere, meaning 'white phantom' or 'white one'.

Peak popularity
1971
Usually for
Girls & boys
Trend
Holding steady

Holding steady.

Popularity of Jen since 1922

Babies named Jen per year in U.S. Social Security records. Raw births topped out in 1959, but relative to how few babies were recorded back then, Jen's real moment was 1971.

6111719602000Most births 1959GirlsBoys
GirlsBoys
Data table (by decade)
DecadeGirlsBoys
1920s50
1930s160
1940s260
1950s890
1960s680
1970s660
1980s119
1990s106
2000s276
2010s065
2020s00

Meaning & origin

Jen is a short form of Jennifer, a name that first appeared in U.S. records in 1922. It reached its peak popularity in 1971, making it a quintessential name of that era. Though never ranking in its own right, its trajectory remains stable, reflecting consistent use as a nickname rather than a standalone given name. While it is often considered unisex, its usage skews heavily feminine. The name's appeal lies in its simplicity and familiar sound, often felt as a friendly and approachable choice.

Jen originated as a diminutive of Jennifer, which became popular in the English-speaking world in the 20th century. Jennifer itself is a Cornish form of the Welsh name Gwenhwyfar (Guinevere), composed of elements meaning 'white' and 'smooth' or 'phantom'. The name was rare before being revived in the 20th century, peaking in popularity in the 1970s.

Sibling names for Jen

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

Sisters: Amy, Kate, Liz, Meg, Beth

Brothers: Dan, Ben, Tom, Matt, Chris

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

J is for Jen, our favorite little person.

J is for Jen…”

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

Make Jen's book

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

Questions parents ask

What does the name Jen mean?
Jen is typically a short form of Jennifer, which is derived from the Welsh name Gwenhwyfar, meaning 'white phantom' or 'white one'.
Is Jen currently a popular name?
Jen does not appear in the current popularity rankings. It peaked in the 1970s and has since declined, with the full form Jennifer remaining more common.
Is Jen a boy or girl name?
Jen is primarily used as a feminine name, though it can occasionally be given to boys as a short form of names like Jeremy or Jenkins.