View the most partisan surnames in The United States

Where Does The Last Name Sempsey Come From? ^{nationality or country of origin}

The last name Sempsey is held by more people in The United States than any other country or territory. It can occur in the variant forms:. For other potential spellings of this surname click here.

How Common Is The Last Name Sempsey? ^{popularity and diffusion}

This last name is the 3,882,373^rd most common last name on earth It is held by around 1 in 280,290,228 people. The last name Sempsey is primarily found in The Americas, where 96 percent of Sempsey are found; 96 percent are found in North America and 96 percent are found in Anglo-North America.

The surname Sempsey is most frequently occurring in The United States, where it is borne by 25 people, or 1 in 14,498,357. In The United States it is primarily found in: Pennsylvania, where 28 percent are found, Texas, where 28 percent are found and New Jersey, where 20 percent are found. Other than The United States this surname exists in one country. It is also common in Thailand, where 4 percent are found.

Sempsey Last Name Statistics ^demography

In The United States those holding the Sempsey surname are 3.23% more likely to be registered with the Republican Party than The US average, with 50% registered to vote for the political party.

Sempsey earn somewhat more than the average income. In United States they earn 12.86% more than the national average, earning $48,698 USD per year.