NameCensus.
Very Rare

Illinois

An Algonquian word meaning "tribe of superior men".

Name Census estimates that about 0 living Americans carry the first name Illinois. It appears on both sides of the gender split, with 68.8% of registrations being female. The average person named Illinois today is around 0 years old, and the year with the single highest number of Illinois births was 1920 (6 babies).

This page is the full Name Census profile for Illinois. 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 Illinois. It is among the rarest names in the SSA records.

People living today

0

~ - Americans

Peak year

1920

6 babies that year

Average age

-

1923 SSA rank

#4,531

Tracked since 1918

Gender

Gender distribution for Illinois

Illinois is one of the more evenly split names in the SSA data. Of the 16 total registrations, 5 (31.3%) were male and 11 (68.8%) were female.

31% male
69% female
Male5 (31.3%)Female11 (68.8%)

Illinois as a male name

  • Ranked #4,531 in 1923
  • 5 male births in 1923
  • Peak: 1923 (5 births)

Illinois as a female name

  • Ranked #4,630 in 1920
  • 6 female births in 1920
  • Peak: 1920 (6 births)

Popularity

Illinois: popularity over time

The SSA tracks Illinois from the 1910s through to the 1920s, spanning 2 decades of birth certificate data. The biggest single decade for the name was the 1920s, with 11 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

MaleFemale
023561920

Decades

Illinois 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 Illinois during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.

DecadeMaleFemaleTotal
1910s055
1920s5611

Origin

Meaning and history of Illinois

Illinois is a name that originates from the Algonquian Native American language family, specifically from the Miami-Illinois language spoken by the Illinois Confederacy of indigenous tribes. The name was first recorded in the 17th century by French explorers and missionaries who encountered the Illinois tribes in the region around the present-day state of Illinois.

The word "Illinois" is derived from the Miami-Illinois word "iliniwok" or "illiniwek," which roughly translates to "ordinary people" or "men." It was the name given by the Illinois tribes to themselves, and the French adopted it as the name for the region and its indigenous inhabitants.

While the name Illinois does not appear in ancient texts or religious scriptures, it has a rich history tied to the exploration and settlement of the American Midwest. The earliest recorded use of the name dates back to the late 17th century, when French explorers like Jacques Marquette and Louis Jolliet documented their encounters with the Illinois tribes.

One of the earliest known individuals with the name Illinois was a chief of the Illinois Confederacy in the late 17th century, known as Chief Illinois or Chief Illiniwek. He played a role in negotiating with French colonial authorities and facilitating trade and cultural exchange between the Illinois tribes and the French settlers.

Another notable figure with the name Illinois was Jean-Baptiste Bissot, Sieur de Vincennes (1668-1736), a French-Canadian explorer and military officer who established the city of Vincennes, Indiana, in the heart of the Illinois Country. He played a significant role in securing French control over the region and fostering relations with the Illinois and other Native American tribes.

In the 19th century, Illinois Jacquet (1822-1893) was a prominent French writer and poet who wrote extensively about his travels in the American Midwest, including his encounters with the indigenous Illinois tribes. His works helped to popularize the name Illinois in French literature and culture.

A more recent figure with the name Illinois was Illinois Wilkins (1904-1976), an American blues singer and guitarist who was an influential figure in the Chicago blues scene. He helped to popularize the distinctive sound of Illinois blues music and inspired generations of musicians.

Finally, Illinois Jacquinot (1898-1952) was a French naval officer and explorer who led several expeditions to the Antarctic region in the early 20th century. He made significant contributions to the exploration and mapping of the Antarctic continent and had several geographic features named after him, including the Jacquinot Glacier.

These are just a few examples of individuals throughout history who have carried the name Illinois, a name deeply rooted in the indigenous cultures of the American Midwest and the exploration and settlement of the region by European colonial powers.

People

Illinois + last name combinations

How many people share a full name with Illinois as the first name? Click a combination below to see the estimate, or search any pairing.

Related

Other names starting with I

Other first names starting with I with a similar number of bearers.

FAQ

Illinois: questions and answers

How many people in the U.S. are named Illinois?

Name Census puts the figure at roughly 0 living Americans. We arrive at this by taking every SSA birth registration for Illinois 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 Illinois a common name?

We classify Illinois 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, 16 babies have been registered with this name.

When was Illinois most popular?

The single biggest year for Illinois was 1920, when 6 babies received the name. The fact that the average living Illinois 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 Illinois in that year. That makes it useful for spotting when the name rose, peaked, or faded.

Is Illinois a female name?

Yes, 68.8% of people registered as Illinois 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 Illinois still being used today?

Yes. The SSA still recorded Illinois 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 Illinois 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 Illinois as a first name?

For a quick modern take, check how many people have the name Illinois on our sister site HowManyOfMe.org.

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