View the most partisan surnames in The United States

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

The surname Sillivan is most common in The United States. It may occur in the variant forms:. For other potential spellings of this name click here.

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

The surname is the 1,079,669^th most widely held last name on a worldwide basis. It is borne by around 1 in 31,823,345 people. This surname occurs mostly in The Americas, where 99 percent of Sillivan reside; 99 percent reside in North America and 99 percent reside in Anglo-North America.

Sillivan is most frequently used in The United States, where it is held by 226 people, or 1 in 1,603,801. In The United States Sillivan is most numerous in: Texas, where 13 percent live, Arkansas, where 10 percent live and California, where 10 percent live. Besides The United States this surname is found in 3 countries. It also occurs in Canada, where 0 percent live and The Netherlands, where 0 percent live.

Sillivan Family Population Trend ^{historical fluctuation}

The incidence of Sillivan has changed through the years. In The United States the share of the population with the last name rose 193 percent between 1880 and 2014.

Sillivan Last Name Statistics ^demography

The religious adherence of those holding the surname is chiefly Catholic (100%) in Ireland.

In The United States Sillivan are 27.14% more likely to be registered Republicans than The US average, with 73.91% registered to vote for the political party.

Sillivan earn notably less less than the average income. In United States they earn 18.54% less than the national average, earning $35,149 USD per year.