Uno
An Italian masculine given name meaning "one" or "only".
Name Census estimates that about 2 living Americans carry the first name Uno. The name is used almost exclusively for boys. The average person named Uno today is around 113 years old, and the year with the single highest number of Uno births was 1918 (15 babies).
This page is the full Name Census profile for Uno. 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.
Key insights
- • The typical person named Uno is about 113 years old today, placing it firmly among the names of earlier generations. Most living Unos were born before 1923.
- • Fewer than 100 living Americans are believed to carry the name Uno. It is among the rarest names in the SSA records.
People living today
2
~ 1 in 171,377,169 Americans
Peak year
1918
15 babies that year
Average age
113
years old
1923 SSA rank
#3,796
Tracked since 1908
Popularity
Uno: popularity over time
The SSA tracks Uno from the 1900s through to the 1920s, spanning 3 decades of birth certificate data. The biggest single decade for the name was the 1910s, with 91 total registrations. Usage has dropped considerably from its 1910s peak. The most recent decade brought in only a fraction of the registrations that the name once attracted.
Babies born per year
Decades
Uno 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 Uno during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.
Geography
Where Unos live
Origin
Meaning and history of Uno
The name Uno has its roots in the Latin word "unus," which means "one" or "single." It was a popular name during the Roman Empire, often given to the firstborn son or the only child in a family. The name's origins can be traced back to ancient Rome, where it was commonly used as a praenomen (personal name) or cognomen (family name).
In ancient Roman texts and inscriptions, the name Uno appears frequently, often associated with prominent figures from that era. One notable example is Marcus Antonius Uno, a Roman senator who lived during the 1st century BC. He was known for his oratory skills and played a significant role in the political turmoil that followed the assassination of Julius Caesar.
The name Uno also found its way into early Christian texts and traditions. Saint Uno was a 6th-century Italian bishop and is venerated as a patron saint of farmers and shepherds in some regions of Italy. His feast day is celebrated on September 8th in the Catholic Church.
Throughout the Middle Ages and Renaissance, the name Uno continued to be used, particularly in Italy and other parts of Europe influenced by Roman culture. One famous bearer of the name was Uno Holmio, a Swedish philosopher and theologian who lived from 1608 to 1657. He made significant contributions to the development of Lutheran theology and was a respected scholar in his time.
Another notable figure with the name Uno was Uno Cygnaeus, a Finnish educator and writer who lived from 1810 to 1888. He played a crucial role in establishing the Finnish public education system and is considered a pioneer of educational reform in Finland.
In the 20th century, Uno Åhrén was a renowned Swedish architect who lived from 1897 to 1977. He was known for his modernist designs and was influential in shaping the architectural landscape of Sweden during that era.
While the name Uno has its roots in Latin and has been used throughout history, it has also been adopted in various cultures and languages. For example, in Japanese, the name Uno is sometimes used as a transliteration of the English word "one," reflecting the influence of Western culture and language.
People
Uno + last name combinations
How many people share a full name with Uno as the first name? Click a combination below to see the estimate, or search any pairing.
Related
Other names starting with U
Other first names starting with U with a similar number of bearers.
FAQ
Uno: questions and answers
How many people in the U.S. are named Uno?
Name Census puts the figure at roughly 2 living Americans. We arrive at this by taking every SSA birth registration for Uno 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 171,377,169 US residents.
Is Uno a common name?
We classify Uno as "Very Rare". It ranks above 4.3% of all first names in the SSA dataset by living bearers. Across the full history of the data, 103 babies have been registered with this name.
When was Uno most popular?
The single biggest year for Uno was 1918, when 15 babies received the name. The fact that the average living Uno is about 113 years old gives you a rough sense of which era contributed the most bearers who are still alive today.
What does the SSA popularity chart show?
The chart tracks births, not the number of people alive with the name today. Each point shows how many babies were given the name Uno in that year. That makes it useful for spotting when the name rose, peaked, or faded.
Is Uno a male name?
Yes, 100.0% of people registered as Uno 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.
Is Uno still being used today?
Yes. The SSA still recorded Uno in 2024, and the page above shows its latest-year rank where available. A name can be well past its peak and still remain in steady use, especially if it built up a large population over earlier decades.
Why can a name have a lot of living bearers even if it is not trendy now?
Because living-bearer counts and current baby-name popularity measure different things. A name like Uno can build up a very large population over many decades, even if fewer parents are choosing it now than they did at its peak.
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.
Does every first name have Census demographic data?
No. The public Census first-name release only covers names that met the Bureau's publication rules, so many rarer names in the SSA files do not have a published Census demographic snapshot. In those cases, the page still shows the SSA trend, gender history, and state data.
How many people are called Uno?
HowManyOfMe.org, our sister site, answers that with the living-bearer count in one glance.