Rio — Last Name Origin & Meaning

Unknown origin Rank #17,726 in the US 1,581 Americans

US Rank (2010)
#17,726
▼ Down 7 since 2000
People in the US
1,581
0.54 per 100K people
Origin
Unknown
Unknown

Origin & Meaning of the Rio Surname

What does the last name Rio mean?

The surname Rio carries the meaning "Origin and meaning under research." It is derived from the Unknown language and has been passed down through generations, reflecting the occupations, locations, or characteristics of early bearers of the name. With 1,581 bearers in the 2010 US Census, Rio ranks as the #17,726 most common surname in the United States.

Where does the surname Rio come from?

The Rio surname has its roots in Unknown heritage. Names of Unknown origin often reflect the cultural, linguistic, and historical traditions of the communities where they first appeared. Over centuries, migration and cultural exchange have spread the Rio name far beyond its original homeland.

Language of Origin

The linguistic roots of Rio trace back to Unknown. Understanding the original language helps decode the meaning and evolution of the name from its earliest recorded forms to the modern spelling used today.

Unknown Unknown

Quick Facts

Surname Rio
Meaning Origin and meaning under research
Origin Unknown
Language Unknown
US Rank (2010) #17,726
US Count (2010) 1,581
Per 100K People 0.54
First Letter R

Ethnic Distribution of Rio

According to the US Census, the Rio surname is distributed across the following ethnic groups. This data reflects self-reported ethnicity among 1,581 Americans with the Rio last name.

White 57.05%
Hispanic 30.99%
Asian/PI 8.41%
Two+ Races 2.15%
Ethnic distribution of the Rio surname in the US (2010 Census)
Ethnicity Percentage
White57.05%
Hispanic30.99%
Asian/Pacific Islander8.41%
Two or More Races2.15%

Popularity of Rio Over Time

Comparing US Census data from 2000 and 2010 shows how the Rio surname has changed in prevalence.

Census 2000
#17,719
1,458 people
Down 7
Census 2010
#17,726
1,581 people

The number of Americans with the Rio surname increased by 123 between 2000 and 2010.

Discover Your Rio Ancestry

Uncover your family's history with a DNA test. Learn where your Rio ancestors came from and connect with relatives worldwide.

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Similar Surnames to Rio

These surnames share similar popularity, spelling, or cultural background with Rio.

Other Unknown Surnames

Explore more surnames with Unknown roots. There are 162,254 surnames in our database — here are some that share the same Unknown origin as Rio.

Frequently Asked Questions About Rio

The surname Rio is of Unknown origin. Origin and meaning under research
The surname Rio is ranked #17,726 in the United States with approximately 1,581 people bearing this name as of the 2010 US Census.
Origin and meaning under research. The name has Unknown roots and has been present in the United States for generations.
According to US Census data, the Rio surname is distributed as: 57.0% White, 31.0% Hispanic, 8.4% Asian/Pacific Islander. This reflects the diverse heritage of Americans with this name.
To trace your Rio ancestry, consider using DNA testing services like Ancestry.com, 23andMe, or MyHeritage. These services can connect you with relatives and reveal your ethnic heritage and migration patterns.

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