How rare is the last name Hennessy?

9,053 people in the United States have the last name Hennessy, about 1 in 33,016. It ranks #3,821 of 156,621 last names in the 2020 Census.

last name

HENNESSY

#3,821

of 156,621 last names recorded in the 2020 Census

People
9,053
About
1 in 33,016
This common or more
55.4%
Who bears it

Of the 9,053 people with the last name Hennessy, 92.1% reported their origin as White, 3.4% as Hispanic or Latino and 3% as two or more races. These count how people described themselves on the 2020 Census, not where the name comes from.

Either side of Hennessy

#3,819 Hallman · 9,065#3,820 Leiva · 9,055#3,822 Olivera · 9,052#3,822 Saxton · 9,052

Spelled almost the same

8 last names in the 2020 Census spelled within a letter or two of Hennessy, most common first.

#4,451 Hennessey · 7,726#21,026 Hennessee · 1,271#23,856 Hennes · 1,096#50,632 Hennesy · 446#65,688 Henness · 326#101,718 Hennesey · 189#136,082 Henesy · 128#148,665 Henesey · 111

Also a first name

As a first name, Hennessy ranks #11,873 of 53,615, with 1,064 people. As a baby name it peaked in 2019, with 82 births. See Hennessy as a first name

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