Explore the Family Name Lysaght

The meaning of Lysaght

Irish: shortened Anglicized form of Gaelic Mac Giolla Iasachta ‘son of the foreign lad or servant’, from the genitive of iasacht ‘borrowing’, used as an adjective meaning ‘foreign’. Some characteristic forenames: Irish Aidan, Colm.

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

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

Based on the Decennial U.S. Census data, the surname Lysaght has seen a slight dip in popularity between 2000 and 2010. In 2000, it ranked 42,056, but by 2010 it had slipped to 44,500, representing a 5.81% decrease. The count of people bearing this surname also slightly declined from 486 to 483, a marginal decrease of 0.62%. The proportion per 100,000 people also fell from 0.18 to 0.16, a drop of 11.11%.

20002010Change
Rank#42,056#44,500-5.81%
Count486483-0.62%
Proportion per 100k0.180.16-11.11%

Race and Ethnicity of people with the last name Lysaght

Regarding ethnicity, the Decennial U.S. Census data reveals that most bearers of the Lysaght surname identify as White, though there was a minor decrease from 93.62% in 2000 to 91.72% in 2010. There was no change in those identifying as Asian/Pacific Islander or American Indian and Alaskan Native, with both categories remaining at zero for both years. The percentage of individuals identifying as two or more races dropped slightly from 2.06% to 1.86%. The Hispanic representation increased significantly from 1.44% to 3.52%, marking a surge of 144.44%. Similarly, the percentage of Black individuals also saw an increase from 1.44% to 2.07%, a rise of 43.75%.

20002010Change
White93.62%91.72%-2.03%
Hispanic1.44%3.52%144.44%
Black1.44%2.07%43.75%
Two or More Races2.06%1.86%-9.71%
Asian/Pacific Islander0%0%0%
American Indian and Alaskan Native0%0%0%