Dennett — Last Name Origin & Meaning

French/Spanish origin Rank #12,576 in the US 2,462 Americans

US Rank (2010)
#12,576
▲ Up 964 since 2000
People in the US
2,462
0.83 per 100K people
Origin
French/Spanish
French
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Origin of the Dennett Surname

The Dennett surname is of French/Spanish origin (French). In the 2010 U.S. Census it ranked #12,576 with 2,462 Americans (0.83 per 100K people).

What the name meant to the first families who bore it — and how Dennett traveled across regions and centuries — is written out in the full Heritage Report.

French/Spanish French

Quick Facts

Surname Dennett
Meaning Full etymology in the Heritage Report
Origin French/Spanish
Language French
US Rank (2010) #12,576
US Count (2010) 2,462
Per 100K People 0.83
First Letter D

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Ethnic Distribution of Dennett

Among 2,462 Americans named Dennett, the largest self-reported group is White (82.13%).

The full multi-group chart (every percentage, print-ready) is inside the Heritage Report — not repeated here.

See the full ethnic chart in the report ↓

Popularity of Dennett Over Time

Between the 2000 and 2010 U.S. Census, the national rank of Dennett moved up. Exact counts for both years — print-ready — are in the Heritage Report.

Get the decade comparison in the report ↓

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  • ✓ The true origin & meaning of Dennett
  • ✓ The Dennett coat of arms & heraldry
  • ✓ Migration journey across the world
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  • ✓ Notable Dennett bearers in history
  • ✓ Name variations & spellings worldwide
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Similar Surnames to Dennett

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

Other French/Spanish Surnames

Explore more surnames with French/Spanish roots. There are 162,254 surnames in our database — here are some that share the same French/Spanish origin as Dennett.

Frequently Asked Questions About Dennett

The surname Dennett is of French/Spanish origin. The full etymology and migration story are written in the Dennett Heritage Report.
The surname Dennett is ranked #12,576 in the United States with approximately 2,462 people bearing this name as of the 2010 US Census.
The name has French/Spanish roots and has been present in the United States for generations. The full meaning and written etymology unlock in the Dennett Heritage Report.
According to US Census data, the largest self-reported group for Dennett is 82.1% White. The full multi-group breakdown is in the Dennett Heritage Report.
To trace your Dennett 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.

Top Surnames Starting with D

The most common American surnames that begin with the letter D, ranked by population.

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