Finneus
A masculine Latinized form of the Irish name Fionn meaning "fair-headed".
Name Census estimates that about 117 living Americans carry the first name Finneus. The name is used almost exclusively for boys. The average person named Finneus today is around 13 years old, and the year with the single highest number of Finneus births was 2017 (16 babies).
This page is the full Name Census profile for Finneus. 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
117
~ 1 in 2,929,524 Americans
Peak year
2017
16 babies that year
Average age
13
years old
2021 SSA rank
#7,253
Tracked since 2006
Popularity
Finneus: popularity over time
The SSA tracks Finneus from the 2000s through to the 2020s, spanning 3 decades of birth certificate data. The biggest single decade for the name was the 2010s, with 78 total registrations. Usage has dropped considerably from its 2010s peak. The most recent decade brought in only a fraction of the registrations that the name once attracted.
Babies born per year
Decades
Finneus 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 Finneus during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.
Origin
Meaning and history of Finneus
The given name Finneus has its origins in the ancient Celtic cultures of Western Europe, dating back to the early medieval period around the 5th century AD. The name is derived from the Old Irish word "finn," meaning "white" or "fair," and the suffix "-eus," which was a common ending for masculine names in Celtic languages.
One of the earliest recorded instances of the name Finneus can be found in the Irish mythological tales known as the "Fenian Cycle." This cycle of stories centers around the exploits of the legendary warrior Finn MacCool (also known as Finn mac Cumaill), who was a leader of the Fianna, a band of elite warriors in ancient Ireland. It is believed that the name Finneus may have been inspired by this mythological figure, although the direct connection is uncertain.
In the 7th century AD, a Welsh monk named Finneus of Clonard (also known as Finnian or Finian) gained prominence as the founder of the renowned monastic school of Clonard in County Meath, Ireland. This institution played a significant role in the spread of Christianity and the preservation of classical learning during the early medieval period.
During the Middle Ages, the name Finneus appeared sporadically in various historical records across Western Europe, particularly in regions with strong Celtic influence. One notable bearer of the name was Finneus of Kenmare, an Irish cleric and scholar who lived in the 12th century and served as the Bishop of Clonfert.
In the 16th century, the Renaissance humanist scholar Finneus Philalethes (born Honoré Fabri, 1567-1637) adopted the name Finneus as part of his pen name. He was known for his writings on alchemy, mysticism, and Hermetic philosophy.
Another individual of note was Finneus O'Driscoll (1558-1629), an Irish chieftain and leader of the O'Driscoll clan in County Cork, Ireland, who played a role in the Desmond Rebellions against English rule in the late 16th century.
While the name Finneus has remained relatively uncommon throughout history, it has been carried by a few notable individuals in more recent times, such as Finneus Ewing (1828-1916), an American Civil War veteran and politician from Ohio, and Finneus Samwell (1860-1931), a British explorer and naturalist who traveled extensively in South America.
People
Finneus + last name combinations
How many people share a full name with Finneus as the first name? Click a combination below to see the estimate, or search any pairing.
Related
Other names starting with F
Other first names starting with F with a similar number of bearers.
FAQ
Finneus: questions and answers
How many people in the U.S. are named Finneus?
Name Census puts the figure at roughly 117 living Americans. We arrive at this by taking every SSA birth registration for Finneus 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 2,929,524 US residents.
Is Finneus a common name?
We classify Finneus as "Very Rare". It ranks above 66.8% of all first names in the SSA dataset by living bearers. Across the full history of the data, 118 babies have been registered with this name.
When was Finneus most popular?
The single biggest year for Finneus was 2017, when 16 babies received the name. The fact that the average living Finneus is about 13 years old gives you a rough sense of which era contributed the most bearers who are still alive today.
Is Finneus a male name?
Yes, 100.0% of people registered as Finneus in the SSA data are male. 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.