Tommi
A diminutive form of Thomas, derived from the Aramaic word ta'oma meaning "twin".
Name Census estimates that about 1,658 living Americans carry the first name Tommi. It is a predominantly female name (98.8% of registrations). The average person named Tommi today is around 35 years old, and the year with the single highest number of Tommi births was 1976 (47 babies).
This page is the full Name Census profile for Tommi. Below you will find a gender breakdown showing how the name splits between male and female registrations, a year-by-year popularity chart stretching back to 1880, decade-level totals, the top US states for this name, its meaning and etymology, and a set of frequently asked questions with data-backed answers.
People living today
1.7K
~ 1 in 206,728 Americans
Peak year
1976
47 babies that year
Average age
35
years old
2024 SSA rank
#4,361
Tracked since 1945
Gender
Gender distribution for Tommi
Tommi leans heavily female at 98.8% of total registrations, but 22 boys have also been registered with the name over the years, giving it a small but present crossover presence.
Tommi as a male name
- Ranked #12,168 in 2024
- 6 male births in 2024
- Peak: 1989 (6 births)
Tommi as a female name
- Ranked #4,361 in 2024
- 33 female births in 2024
- Peak: 1976 (47 births)
Popularity
Tommi: popularity over time
The SSA tracks Tommi from the 1940s through to the 2020s, spanning 9 decades of birth certificate data. The biggest single decade for the name was the 1970s, with 315 total registrations. Although the numbers have come down from the 1970s peak, Tommi remains solidly in use and shows no sign of disappearing from maternity wards.
Babies born per year
Decades
Tommi by decade
The table below breaks the full SSA timeline into ten-year windows. Each row shows how many male and female babies were given the name Tommi during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.
Geography
Where Tommis live
The SSA's state-level files cover 6 states and territories. California, Texas, Kentucky recorded the most babies named Tommi, while Ohio, New York, North Carolina recorded the fewest. The average across all reporting states is about 16 registrations each.
Origin
Meaning and history of Tommi
The name Tommi is a Finnish variant of the name Thomas, which has its origins in the Aramaic name Toma, meaning "twin." The name Thomas gained popularity in the Christian tradition due to one of the Twelve Apostles of Jesus being named Thomas, also known as "Doubting Thomas."
While the name Tommi is primarily used in Finland and other Nordic countries, its roots can be traced back to the ancient Aramaic language spoken in parts of the Middle East during the time of Jesus Christ. The name likely spread throughout Europe during the early years of Christianity, with various spelling variations emerging in different regions.
One of the earliest recorded instances of the name Tommi can be found in Finnish historical records from the 16th century. During this time, the name was often spelled as "Tomi" or "Tommi," reflecting the influence of the Finnish language on its pronunciation.
Throughout history, several notable individuals have borne the name Tommi. For example, Tommi Sällinen (1551-1614) was a Finnish clergyman and author who played a significant role in the translation of the Bible into the Finnish language. Another prominent figure was Tommi Itkonen (1857-1935), a Finnish linguist and scholar who made significant contributions to the study of Finno-Ugric languages.
In the world of sports, Tommi Mäkinen (born 1964) is a Finnish former rally driver and four-time World Rally Champion, while Tommi Hartonen (1937-2019) was a Finnish cross-country skier who won multiple Olympic and World Championship medals.
The name Tommi has also been associated with notable artists and musicians, such as Tommi Huhtanen (1928-2012), a Finnish painter and graphic artist known for his abstract expressionist works, and Tommi Pietikäinen (1965-2020), a Finnish musician and composer.
While the name Tommi has its roots in ancient Aramaic and has been used throughout history, it remains particularly popular in Finland, where it has been a consistent choice for parents naming their sons for centuries.
People
Tommi + last name combinations
How many people share a full name with Tommi as the first name? Click a combination below to see the estimate, or search any pairing.
Related
Other names starting with T
Other first names starting with T with a similar number of bearers.
FAQ
Tommi: questions and answers
How many people in the U.S. are named Tommi?
Name Census puts the figure at roughly 1,658 living Americans. We arrive at this by taking every SSA birth registration for Tommi going back to 1880 and adjusting each cohort for expected survival using CDC actuarial life tables. The result is an age-weighted living-bearer count, not a raw birth total. That works out to about 1 in 206,728 US residents.
Is Tommi a common name?
We classify Tommi as "Rare". It ranks above 92.9% of all first names in the SSA dataset by living bearers. Across the full history of the data, 1,800 babies have been registered with this name.
When was Tommi most popular?
The single biggest year for Tommi was 1976, when 47 babies received the name. The fact that the average living Tommi is about 35 years old gives you a rough sense of which era contributed the most bearers who are still alive today.
Is Tommi a female name?
Yes, 98.8% of people registered as Tommi in the SSA data are female. You can see the full per-sex comparison in the gender distribution section above, which includes the latest year rank, birth count, and peak year for each sex.
Where does this data come from?
First-name figures come from the Social Security Administration's national baby name files, which cover every name on a birth certificate from 1880 to 2024. Living-bearer estimates layer in CDC actuarial life tables broken out by sex to account for mortality. The population baseline (342,754,338) is the Census Bureau's latest national estimate. You can read the full calculation on our methodology page.