Aloysia
A feminine form of the Old German name Aloïs, meaning "famous warrior".
Name Census estimates that about 0 living Americans carry the first name Aloysia. The name is used almost exclusively for girls. The average person named Aloysia today is around 0 years old, and the year with the single highest number of Aloysia births was 1915 (7 babies).
This page is the full Name Census profile for Aloysia. 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 Aloysia. It is among the rarest names in the SSA records.
People living today
0
~ - Americans
Peak year
1915
7 babies that year
Average age
-
1916 SSA rank
#4,439
Tracked since 1898
Popularity
Aloysia: popularity over time
The SSA tracks Aloysia from the 1890s through to the 1910s, spanning 2 decades of birth certificate data. The biggest single decade for the name was the 1910s, with 12 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
Aloysia 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 Aloysia 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 Aloysia
The name Aloysia has its roots in the Germanic languages, derived from the Old High German name Alahwidis, which means "all-wise" or "entirely wise." This name was later influenced by the Latin word "alsius," meaning "from Alsace," a region in modern-day France.
The name gained popularity in the 16th century, particularly among Catholic families, as it was associated with Saint Aloysius Gonzaga, an Italian Renaissance nobleman who became a member of the Jesuit order and is venerated as the patron saint of young students.
One of the earliest recorded instances of the name Aloysia can be found in the 16th century, when it was used for a daughter of the Medici family, the ruling dynasty of Florence during the Renaissance period. Aloysia de' Medici (1564-1637) was an Italian noblewoman and a patron of the arts.
In the 18th century, the name Aloysia became more widespread across Europe, particularly in the German-speaking regions. Aloysia Weber (1760-1839), the wife of the famous composer Wolfgang Amadeus Mozart, was a prominent figure in the musical circles of her time.
Another notable bearer of the name was Aloysia Stich (1824-1892), an Austrian actress and opera singer who performed in several operas composed by Richard Wagner.
In the 19th century, the name Aloysia gained popularity in the United States, particularly among families with German or Austrian heritage. Aloysia Monet (1842-1919) was an American painter and one of the founding members of the Art Students League of New York.
Aloysia Northrop (1860-1944) was an American educator and the first female professor at the Massachusetts Institute of Technology (MIT), where she taught English and literature.
People
Aloysia + last name combinations
How many people share a full name with Aloysia as the first name? Click a combination below to see the estimate, or search any pairing.
Related
Other names starting with A
Other first names starting with A with a similar number of bearers.
FAQ
Aloysia: questions and answers
How many people in the U.S. are named Aloysia?
Name Census puts the figure at roughly 0 living Americans. We arrive at this by taking every SSA birth registration for Aloysia 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 - US residents.
Is Aloysia a common name?
We classify Aloysia as "Very Rare". It ranks above 2.9% of all first names in the SSA dataset by living bearers. Across the full history of the data, 17 babies have been registered with this name.
When was Aloysia most popular?
The single biggest year for Aloysia was 1915, when 7 babies received the name. The fact that the average living Aloysia is about 0 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 Aloysia in that year. That makes it useful for spotting when the name rose, peaked, or faded.
Is Aloysia a female name?
Yes, 100.0% of people registered as Aloysia 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.
Is Aloysia still being used today?
Yes. The SSA still recorded Aloysia 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 Aloysia 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 common is the name Aloysia?
For a quick modern estimate, our sister site HowManyOfMe.org answers that in one glance, with the living-bearer count front and centre.