Dequay
A name of uncertain origin and meaning, though perhaps linked to water.
Name Census estimates that about 5 living Americans carry the first name Dequay. The name is used almost exclusively for boys. The average person named Dequay today is around 28 years old, and the year with the single highest number of Dequay births was 1998 (5 babies).
This page is the full Name Census profile for Dequay. 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 Dequay. It is among the rarest names in the SSA records.
People living today
5
~ 1 in 68,550,868 Americans
Peak year
1998
5 babies that year
Average age
28
years old
1998 SSA rank
#10,016
Tracked since 1998
Popularity
Dequay: popularity over time
Babies born per year
Decades
Dequay 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 Dequay during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.
| Decade | Male | Female | Total |
|---|---|---|---|
| 1990s | 5 | 0 | 5 |
Origin
Meaning and history of Dequay
The name Dequay has its origins in the ancient Etruscan civilization that flourished in what is now central Italy around the 8th century BC. It is believed to be derived from the Etruscan root word "Decua," which translates to "guardian" or "protector." The Etruscans were a highly advanced society known for their art, architecture, and religious practices.
One of the earliest recorded instances of the name Dequay can be found in an Etruscan funerary inscription dating back to the 6th century BC. This inscription was discovered in the necropolis of Cerveteri, an ancient Etruscan city located near modern-day Rome. The name was likely given to a prominent individual, possibly a warrior or a member of the ruling class.
During the height of the Roman Empire, the name Dequay was adopted by some Roman families, particularly those with Etruscan roots or connections. It is mentioned in several Roman historical records and can be found inscribed on various artifacts, such as pottery and sculptures.
In the Middle Ages, the name Dequay resurfaced in parts of Europe, particularly in Italy and France. One notable figure bearing this name was Dequay de Montpellier (c. 1230 – 1295), a French physician and scholar who made significant contributions to the field of medicine during the 13th century.
Another historically significant individual with the name Dequay was Dequay de Châteauneuf (1508 – 1572), a French nobleman and military commander who played a crucial role in the French Wars of Religion. He was known for his bravery and leadership on the battlefield.
During the Renaissance, the name Dequay gained popularity among artists and intellectuals. One such figure was Dequay Fontana (1546 – 1607), an Italian architect and engineer who was responsible for designing and constructing several notable buildings in Rome, including the Fountain of Moses in the Piazza San Pietro.
In more recent times, the name Dequay has been less common, but there have been a few notable individuals who carried it. Dequay Rousseau (1712 – 1778) was a French philosopher and writer who made significant contributions to the Enlightenment movement through his works on social contract theory and political philosophy.
While the name Dequay may not be as widely used today, its rich historical roots and association with notable figures throughout various eras make it a fascinating and meaningful choice for those seeking a name with a strong cultural heritage.
People
Dequay + last name combinations
How many people share a full name with Dequay as the first name? Click a combination below to see the estimate, or search any pairing.
Related
Other names starting with D
Other first names starting with D with a similar number of bearers.
FAQ
Dequay: questions and answers
How many people in the U.S. are named Dequay?
Name Census puts the figure at roughly 5 living Americans. We arrive at this by taking every SSA birth registration for Dequay 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 68,550,868 US residents.
Is Dequay a common name?
We classify Dequay as "Very Rare". It ranks above 18.2% of all first names in the SSA dataset by living bearers. Across the full history of the data, 5 babies have been registered with this name.
When was Dequay most popular?
The single biggest year for Dequay was 1998, when 5 babies received the name. The fact that the average living Dequay is about 28 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 Dequay in that year. That makes it useful for spotting when the name rose, peaked, or faded.
Is Dequay a male name?
Yes, 100.0% of people registered as Dequay 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 Dequay still being used today?
Yes. The SSA still recorded Dequay 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 Dequay 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 Dequay?
You can see how many people have the name Dequay on our sister site HowManyOfMe.org — same data roots, lighter UI.