Find out how popular the last name Demeny is in the United States and learn more about the meaning, history, and race and ethnic origin of people in America who are named Demeny.

Demeny, like all of the last names we have data for, is identified by the U.S. Census Bureau as a surname which has more than 100 occurrences in the United States in the Decennial Census survey. The most recent statistics we have for the Demeny surname is from the 2010 census data.

Popularity of Demeny in America

Demeny is the 103655th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Demeny surname appeared 173 times in the 2010 census and if you were to sample 100,000 people in the United States, approximately 0 people would have the surname Demeny.

We can also compare 2010 data for Demeny to data from the previous census in 2000. The table below contains all of the statistics for both years in a side-by-side comparison.

The history of the last name Demeny

The surname Demeny has its origins in Hungary, dating back to the late medieval period. It is derived from the Hungarian word "demény," which means "strength" or "power." This suggests that the name may have been initially given as a descriptive nickname to someone who was physically strong or had a powerful personality.

One of the earliest recorded instances of the name Demeny can be found in a 14th-century Hungarian document, where it appears as "Demenyi." This spelling variation indicates that the name may have originated from a place name, likely a village or town where the first bearer of the name resided.

In the 16th century, the name Demeny appeared in various Hungarian records, including parish registers and tax rolls. Notable individuals from this time period include János Demeny (1520-1578), a Hungarian nobleman and landowner, and Péter Demeny (1543-1603), a renowned scholar and philosopher.

During the 17th and 18th centuries, the Demeny family gained prominence in the region of Transylvania, now part of modern-day Romania. Several members of the family held important positions in the local government and were involved in cultural and educational initiatives. One of the most notable figures was György Demeny (1687-1763), a prominent educator who founded several schools in the region.

In the 19th century, the Demeny name continued to be associated with intellectual and artistic pursuits. Mihály Demeny (1810-1876) was a celebrated Hungarian poet and playwright, while István Demeny (1841-1918) was a renowned architect who designed numerous iconic buildings in Budapest.

Another notable figure was Pál Demeny (1876-1944), a pioneering Hungarian physicist and engineer. He is best known for his contributions to the development of X-ray technology and for his work in the field of radiation protection.

As the Demeny family spread across Hungary and neighboring regions, the name underwent various spelling variations, such as Demény, Demjen, and Demjén. These variations often reflected local linguistic influences or personal preferences.

While the surname Demeny has its roots in Hungary, it has since been adopted by individuals in other countries, particularly in regions with historical ties to the Austro-Hungarian Empire or where Hungarian communities have settled.

Race and ethnic origin of people with the last name Demeny

We also have some data on the ancestry of people with the surname Demeny.

The below race categories are the modified race categories used in the Census Bureau's population estimates program. All people were categorized into six mutually exclusive racial and Hispanic origin groups:

1. White only
2. Black only
3. American Indian and Alaskan Native only
4. Asian and Pacific Islander only
5. Hispanic
6. Two or More Races

For the most recent 2010 census data, the race/ethnic origin breakdown for Demeny was:

Note: Any fields showing (S) means the data was suppressed for privacy so that the data does not in any way identify any specific individuals.

Since we have data from the previous census in 2000, we can also compare the values to see how the popularity of Demeny has changed in the 10 years between the two census surveys.

Data source

The last name data and ethnic breakdown of last names is sourced directly from the Decennial Census survey, conducted every 10 years by the United States Census Bureau.

The history and meaning of the name Demeny was researched and written by our team of onomatology and genealogy experts.

If you have a correction or suggestion to improve the history of Demeny, please contact us.

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