US Population With Last Name By By Race and Ethnicity in the 2000 Census

Updated on May 9, 2026.

Data Source: US Census Bureau.

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In the 2000 Census, there were 189 people in the US whose last name was By, and the rate of occurence of the By last name was 0.07 per 100K.

The highest percentage of people with the last name of By identified their race as Non Hispanic Asian and Native Hawaiian and Other Pacific Islander Alone (60.85%); the second highest percentage of people identified their race as Non Hispanic White Alone (20.63%); and the third highest percentage of people identified their race as Non Hispanic Black or African American Alone (10.05%).

US Percentage of Pop. With Last Name By By Race And Ethniciity in the 2000 Census

Non-Hisp ANHPI
Non-Hisp White
Non-Hisp Black
Non-Hisp Two or More Races

The table below below shows by race and ethnicity, the number of people and the percentage of the total people with the By last name.

US Population With Last Name By By Race And Ethniciity in the 2000 Census

0 of 0
Last Name Number of People Percent of Total (%)
Non Hispanic Asian and Native Hawaiian and Other Pacific Islander Alone 115 60.85
Non Hispanic White Alone 39 20.63
Non Hispanic Black or African American Alone 19 10.05
Non Hispanic Two or More Races 13 6.88