MallowbyNames

Tommi

TOM-ee · A feminine variant of Tommy, itself a diminutive of Thomas, meaning 'twin'.

2025 rank (girls)
#4,067
Babies named in 2025
35
Peak popularity
1976
2025 frequency
1 in 45,922 girls
Usually for
Girls
Trend
Rising since 2013

A 1970s favorite, climbing again.

Popularity of Tommi since 1945

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

1631471960198020002020Most births 1976Girls
Data table (by decade)
DecadeGirls
1940s24
1950s123
1960s180
1970s315
1980s275
1990s289
2000s257
2010s181
2020s171

Meaning & origin

Tommi is a feminine spelling variant of Tommy, itself a diminutive of Thomas. The name was first recorded in 1945 and reached its peak rank of 4,067 in 1976, though national data from that year is limited. In 2025, it appeared with a frequency of 1 in 45,922 births, marking a resurgence since 2013. The name is most commonly used in Ohio. Tommi offers a modern, streamlined twist on a traditional nickname, aligning with the trend of nickname names for girls.

Tommi is a modern feminine spelling variant of Tommy, which is a diminutive of Thomas. Thomas derives from the Aramaic name Ta'oma', meaning 'twin'. The name has been used in English-speaking countries since the Middle Ages, and the feminine forms like Tommi emerged in the 20th century as creative respellings.

Where Tommi is most popular

Births per 100,000 girls by state, 2025. The lightest shade means too few recorded births.

Nicknames & variants

Variants: Tommy, Tomi, Tomie

Sibling names for Tommi

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

Sisters: Tess, Ellie, Megan, Katie, Grace

Brothers: Jack, Sam, Charlie, Max, Harry

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

T is for Tommi, our favorite little girl.

T is for Tommi…”

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

Make Tommi's book

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

Questions parents ask

What does the name Tommi mean?
Tommi is a feminine spelling variant of Tommy, a diminutive of Thomas, which means 'twin' in Aramaic.
How popular is the name Tommi?
Tommi ranked 4,067th in the United States in 2025, with approximately 1 in 45,922 births. It peaked in popularity in 1976.
Is Tommi a boy or girl name?
Tommi is used predominantly for girls, as a feminine form of Tommy.