Oso
A Spanish masculine name meaning "bear".
Name Census estimates that about 49 living Americans carry the first name Oso. The name is used almost exclusively for boys. The average person named Oso today is around 4 years old, and the year with the single highest number of Oso births was 2023 (16 babies).
This page is the full Name Census profile for Oso. 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
- • Fewer than 100 living Americans are believed to carry the name Oso. It is among the rarest names in the SSA records.
People living today
49
~ 1 in 6,994,986 Americans
Peak year
2023
16 babies that year
Average age
4
years old
2024 SSA rank
#9,612
Tracked since 2018
Popularity
Oso: popularity over time
The SSA tracks Oso from the 2010s through to the 2020s, spanning 2 decades of birth certificate data. The biggest single decade for the name was the 2020s, with 37 total registrations. The name continues to be given at rates close to its all-time high, suggesting it has not yet fallen out of fashion.
Babies born per year
Decades
Oso 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 Oso during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.
Geography
Where Osos live
Origin
Meaning and history of Oso
The name Oso finds its origins in the Spanish language, deriving from the word "oso" which translates to "bear" in English. This name has its roots in the Iberian Peninsula, where the bear has held significant cultural and symbolic significance for centuries.
In ancient Iberian mythology, the bear was revered as a powerful and sacred animal, often associated with strength, courage, and the natural world. The name Oso may have been bestowed upon individuals as a sign of respect and admiration for these qualities.
One of the earliest documented uses of the name Oso can be traced back to the 12th century, when it appeared in the medieval Spanish epic poem "El Cantar de Mio Cid." The name was mentioned in reference to a fictional character, highlighting its presence in Spanish literature and culture during that time period.
Throughout history, several notable individuals have borne the name Oso. One such figure was Oso de Navarra (c. 1170 - c. 1240), a celebrated Spanish troubadour and poet from the Kingdom of Navarre. His works, which often celebrated love and chivalry, were widely influential in the development of Occitan literature.
Another prominent figure was Oso de Arce (1493 - 1571), a Spanish conquistador and explorer who participated in the conquest of Guatemala and the exploration of Central America. His exploits and expeditions contributed to the expansion of Spanish territories in the New World.
In the realm of art, Oso Muñoz (1804 - 1875) was a renowned Spanish painter known for his landscapes and depictions of everyday life. His works, which captured the beauty and vibrancy of his native Andalusia, are considered important examples of 19th-century Spanish realism.
Oso Blanco (1868 - 1923), a Mexican revolutionary and military leader, played a significant role in the Mexican Revolution of 1910-1920. His bravery and leadership during this pivotal period in Mexican history earned him a place in the annals of the country's struggle for independence and social reform.
Another notable figure was Oso Martínez (1901 - 1986), a Spanish writer and journalist who wrote extensively about the Spanish Civil War and the Franco regime. His works, which often criticized the oppressive policies of the time, contributed to the preservation of historical accounts and perspectives during a tumultuous period in Spain's history.
While these are just a few examples, the name Oso has been carried by individuals from various walks of life, each leaving their mark on the cultural, artistic, and historical landscapes of their respective eras.
People
Oso + last name combinations
How many people share a full name with Oso as the first name? Click a combination below to see the estimate, or search any pairing.
Related
Other names starting with O
Other first names starting with O with a similar number of bearers.
FAQ
Oso: questions and answers
How many people in the U.S. are named Oso?
Name Census puts the figure at roughly 49 living Americans. We arrive at this by taking every SSA birth registration for Oso 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 6,994,986 US residents.
Is Oso a common name?
We classify Oso as "Very Rare". It ranks above 54% of all first names in the SSA dataset by living bearers. Across the full history of the data, 49 babies have been registered with this name.
When was Oso most popular?
The single biggest year for Oso was 2023, when 16 babies received the name. The fact that the average living Oso is about 4 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 Oso in that year. That makes it useful for spotting when the name rose, peaked, or faded.
Is Oso a male name?
Yes, 100.0% of people registered as Oso 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 Oso still being used today?
Yes. The SSA still recorded Oso 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 Oso 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 have the name Oso?
For a quick modern take, check how many Americans are named Oso on our sister site HowManyOfMe.org.