View the highest/lowest earning families in The United States

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

The surname Sieira is found in Spain more than any other country or territory. It can be rendered as:. Click here for other potential spellings of this last name.

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

The surname Sieira is the 295,000^th most numerous family name throughout the world It is held by around 1 in 5,636,153 people. This last name occurs mostly in Europe, where 74 percent of Sieira are found; 74 percent are found in Southwestern Europe and 74 percent are found in Iberian Europe.

It is most widespread in Spain, where it is held by 951 people, or 1 in 49,161. In Spain it is most common in: Galicia, where 81 percent reside, Madrid, where 5 percent reside and Basque Country, where 4 percent reside. Other than Spain Sieira is found in 16 countries. It is also common in Argentina, where 12 percent reside and The United States, where 6 percent reside.

Sieira Last Name Statistics ^demography

In The United States those bearing the Sieira surname are 46.77% more likely to be registered with the Democratic Party than The US average, with 100% being registered with the political party.

Sieira earn somewhat more than the average income. In United States they earn 9.72% more than the national average, earning $47,344 USD per year.