Explore the Family Name Dulac

The meaning of Dulac

French: topographic name, with fused preposition and definite article du ‘from the’, for someone who lived by a lake, French lac, or a habitational name for someone from Le Lac, the name of several places in various parts of France, named with this word. Some characteristic forenames: French Marcel, Michel, Andre, Clermont, Emile, Fernand, Gilles, Henri, Jacques, Jean-Louis, Jean-Paul, Laurent.

Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.

How common is the last name Dulac in the United States?

Based on the Decennial U.S. Census, the popularity of the surname Dulac slightly declined between 2000 and 2010. In 2000, Dulac ranked 21,848 in popularity, sliding to 22,144 by 2010, marking a decrease of 1.35%. However, the count of individuals bearing this surname increased from 1,109 in 2000 to 1,167 in 2010, a growth rate of 5.23%. This increase did not significantly affect the proportion of the surname per 100k people, which dropped only marginally from 0.41 to 0.40 (-2.44%).

20002010Change
Rank#21,848#22,144-1.35%
Count1,1091,1675.23%
Proportion per 100k0.410.4-2.44%

Race and Ethnicity of people with the last name Dulac

When it comes to ethnic identity, the Dulac surname has seen some shifts over the decade. According to the Decennial U.S. Census data, the percentage of those identifying as White decreased by 5.71% from 91.88% in 2000 to 86.63% in 2010. The percentage identifying as Asian/Pacific Islander grew by 62.39%, moving from 3.43% in 2000 to 5.57% in 2010. Those identifying as Hispanic saw the most significant increase, more than doubling from 2.52% in 2000 to 5.40% in 2010. The proportion of those holding two or more racial identities also saw a slight increase from 1.44% to 1.54%. There were no recorded instances of Black or American Indian and Alaskan Native ethnic identities for the Dulac surname during these census years.

20002010Change
White91.88%86.63%-5.71%
Asian/Pacific Islander3.43%5.57%62.39%
Hispanic2.52%5.4%114.29%
Two or More Races1.44%1.54%6.94%
Black0%0%0%
American Indian and Alaskan Native0%0%0%