Explore the Family Name Gilsenan

The meaning of Gilsenan

Irish (Meath): shortened form of MacGils(h)enan, an Anglicized form of Gaelic Mac Giolla Seanáin ‘son of the servant or devotee of Saint Senan’. Gilsenan has sometimes been Anglicized as Gilson, and a northern Irish variant Mag Uinseanáin, formerly Anglicized as McGunshenan, has now been replaced by Nugent. Leonard has also sometimes been adopted as equivalent. Some characteristic forenames: Irish Brendan, Colm.

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

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

According to the Decennial U.S. Census data, the popularity of the surname Gilsenan has slightly decreased between the years 2000 and 2010. In 2000, it was ranked as the 70,473rd most popular surname, while in 2010, it dropped to the 71,678th position, representing a decrease of 1.71%. However, the number of individuals carrying this name increased by 5.02%, from 259 people in 2000 to 272 in 2010. Despite this increase, the proportion of the population with the Gilsenan surname per 100,000 people decreased by 10% over the same period.

20002010Change
Rank#70,473#71,678-1.71%
Count2592725.02%
Proportion per 100k0.10.09-10%

Race and Ethnicity of people with the last name Gilsenan

In terms of ethnic identity, the majority of individuals with the surname Gilsenan were identified as White according to data from the Decennial U.S. Census. In 2000, 98.46% of individuals with this surname fell into this category, which slightly decreased to 97.79% by 2010. The data for other ethnic identities such as Asian/Pacific Islander, Two or more races, Hispanic, Black, and American Indian and Alaskan Native was either non-existent or suppressed for privacy reasons in both 2000 and 2010.

20002010Change
White98.46%97.79%-0.68%
Asian/Pacific Islander0%0%0%
Two or More Races0%0%0%
Hispanic0%0%0%
Black0%0%0%
American Indian and Alaskan Native0%0%0%