Billijo
A combination of the names Bill and Jo, potentially of modern origin.
Name Census estimates that about 166 living Americans carry the first name Billijo. The name is used almost exclusively for girls. The average person named Billijo today is around 49 years old, and the year with the single highest number of Billijo births was 1975 (16 babies).
This page is the full Name Census profile for Billijo. 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
166
~ 1 in 2,064,785 Americans
Peak year
1975
16 babies that year
Average age
49
years old
2004 SSA rank
#16,491
Tracked since 1965
Popularity
Billijo: popularity over time
The SSA tracks Billijo from the 1960s through to the 2000s, spanning 5 decades of birth certificate data. The biggest single decade for the name was the 1970s, with 106 total registrations. Usage has dropped considerably from its 1970s peak. The most recent decade brought in only a fraction of the registrations that the name once attracted.
Babies born per year
Decades
Billijo 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 Billijo 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 Billijo
The name Billijo is believed to have originated in the ancient Germanic tribes that inhabited parts of modern-day Germany and the surrounding regions. It is derived from the Proto-Germanic words "bil" meaning "sword" or "blade" and "jo" meaning "battle" or "war." Thus, the name Billijo likely referred to a skilled warrior or someone known for their prowess in battle.
One of the earliest recorded mentions of the name Billijo can be found in the Nibelungenlied, a medieval Germanic heroic epic poem from the 13th century. In this work, Billijo is depicted as a brave and fearless warrior who fought alongside the legendary hero Siegfried. However, the name may have been in use long before this particular literary reference.
Throughout history, there have been several notable individuals bearing the name Billijo. One of the most famous was Billijo of Saxony (c. 950 – 1015), a powerful Saxon nobleman and military leader who played a crucial role in the consolidation of the Holy Roman Empire under the Ottonian dynasty. He was known for his valor in battle and his unwavering loyalty to Emperor Otto III.
Another significant figure was Billijo the Scribe (c. 1120 – 1195), a Benedictine monk and scholar who was renowned for his meticulous work in transcribing and preserving ancient manuscripts. His efforts contributed significantly to the preservation of knowledge and literature during the Middle Ages.
In the 14th century, Billijo of Augsburg (1310 – 1379) was a prominent German merchant and banker who amassed considerable wealth through his successful trading operations. He was also a patron of the arts and supported the construction of several churches and public buildings in his hometown.
During the Renaissance period, Billijo Boccaccio (1445 – 1508) was an Italian humanist and scholar who played a significant role in the revival of classical learning. He was known for his translations of ancient Greek and Latin texts, as well as his own literary works, which included poetry and philosophical treatises.
Moving forward in time, Billijo von Humboldt (1767 – 1835) was a Prussian philosopher, linguist, and diplomat who made important contributions to the study of comparative linguistics and anthropology. He is considered one of the founders of modern ethnolinguistics and was a pioneer in the scientific study of human languages and cultures.
These are just a few examples of notable individuals throughout history who bore the name Billijo, a name steeped in ancient Germanic tradition and associated with strength, courage, and martial prowess.
People
Billijo + last name combinations
How many people share a full name with Billijo as the first name? Click a combination below to see the estimate, or search any pairing.
Related
Other names starting with B
Other first names starting with B with a similar number of bearers.
FAQ
Billijo: questions and answers
How many people in the U.S. are named Billijo?
Name Census puts the figure at roughly 166 living Americans. We arrive at this by taking every SSA birth registration for Billijo 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 2,064,785 US residents.
Is Billijo a common name?
We classify Billijo as "Very Rare". It ranks above 71.7% of all first names in the SSA dataset by living bearers. Across the full history of the data, 183 babies have been registered with this name.
When was Billijo most popular?
The single biggest year for Billijo was 1975, when 16 babies received the name. The fact that the average living Billijo is about 49 years old gives you a rough sense of which era contributed the most bearers who are still alive today.
Is Billijo a female name?
Yes, 100.0% of people registered as Billijo 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.