View the highest/lowest earning families in The United States

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

Rolby is borne by more people in The United States than any other country/territory. It can be found in the variant forms:. For other potential spellings of this surname click here.

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

The last name is the 4,034,050^th most commonly used surname in the world. It is borne by approximately 1 in 303,647,746 people. The last name Rolby occurs predominantly in The Americas, where 75 percent of Rolby reside; 75 percent reside in North America and 75 percent reside in Anglo-North America. Rolby is also the 1,951,561^st most commonly occurring first name on earth. It is borne by 29 people.

Rolby is most commonly occurring in The United States, where it is carried by 23 people, or 1 in 15,759,084. In The United States it is most common in: Missouri, where 74 percent are found and Washington, where 4 percent are found. Besides The United States it is found in one country. It is also common in Papua New Guinea, where 4 percent are found.

Rolby Family Population Trend ^{historical fluctuation}

The prevalency of Rolby has changed over time. In The United States the number of people carrying the Rolby last name increased 575 percent between 1880 and 2014.

Rolby Last Name Statistics ^demography

Rolby earn a lot more than the average income. In United States they earn 40.21% more than the national average, earning $60,500 USD per year.