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

Ioannou, 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 Ioannou surname is from the 2010 census data.

Popularity of Ioannou in America

Ioannou is the 41657th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Ioannou surname appeared 522 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 Ioannou.

We can also compare 2010 data for Ioannou 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 Ioannou

The surname IOANNOU originates from Greece and is a patronymic surname derived from the Greek name Ioannis, which means "Yahweh is gracious" or "Jehovah has favored." This name is the Greek equivalent of the Hebrew name John or the English name John.

The earliest recorded instances of the surname IOANNOU can be traced back to the Byzantine Empire, where it was commonly used among Greek-speaking populations. The name's roots can be traced back to the early Christian era, when Greek names derived from biblical figures became popular.

In the 9th century, a Greek scholar and theologian named Photios I of Constantinople, who later became the Patriarch of Constantinople, is one of the earliest recorded individuals with the surname IOANNOU. He lived from around 820 to 893 and is renowned for his scholarly work and contributions to the Byzantine Renaissance.

Another notable figure with the surname IOANNOU was Constantine Ioannou, a Greek military leader and diplomat who lived in the 14th century. He played a crucial role in the Byzantine Empire's negotiations with the Ottoman Empire during a time of great political turmoil.

During the Ottoman period in Greece, the surname IOANNOU remained widespread among Greek communities. In the 19th century, a Greek revolutionary named Ioannis Ioannou participated in the Greek War of Independence against the Ottoman Empire, contributing to the establishment of the modern Greek state.

In more recent history, Georgios Ioannou was a Greek composer and musician who lived from 1892 to 1962. He is celebrated for his contributions to the development of Greek folk music and for preserving traditional Greek musical styles.

Another prominent individual with the surname IOANNOU was Konstantinos Ioannou, a Greek archaeologist and historian who lived from 1919 to 1997. He is renowned for his excavations and research on ancient Greek sites, particularly on the island of Cyprus.

The surname IOANNOU has also been associated with various places and geographical locations in Greece, such as the village of Ioannou in the region of Laconia, which likely derived its name from individuals bearing this surname who settled in the area.

Race and ethnic origin of people with the last name Ioannou

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

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 Ioannou 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 Ioannou 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 Ioannou was researched and written by our team of onomatology and genealogy experts.

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

Reference this page

We spend a lot of resources downloading, cleaning, merging, and formatting the data that is shown on the site.

If you found the data or information on this page useful in your research, please use the tool below to properly cite or reference Name Census as the source. We appreciate your support!