Explore the Family Name Mcconaghy
The meaning of Mcconaghy
Irish (northern): Anglicized form of Gaelic Mac Dhonnchaidh ‘son of Donnchadh’, a widely used personal name meaning ‘brown one (i.e. chieftain) of battle’, from donn ‘brown-haired’ (in the transferred sense ‘chieftain’) + cath ‘battle’, which is Anglicized as Donagh (Ireland) or Duncan (Scotland). Derivatives in which the personal name is unlenited include Donahue and McDonough; these derive from the early genitive form, Donnchadha. Forms ending in -y derive from the later genitive, Donnchaidh.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Mcconaghy in the United States?
Based on the Decennial U.S. Census data, the popularity of the surname Mcconaghy showed a slight decrease between 2000 and 2010. In 2000, Mcconaghy ranked 27,945 in popularity and this rank dropped marginally to 28,131 in 2010, representing a change of -0.67. However, the number of individuals with the last name Mcconaghy actually increased, from 808 in 2000 to 851 in 2010, marking a 5.32% increase. The proportion of the surname per 100k people slightly decreased by -3.33%.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #27,945 | #28,131 | -0.67% |
| Count | 808 | 851 | 5.32% |
| Proportion per 100k | 0.3 | 0.29 | -3.33% |
Race and Ethnicity of people with the last name Mcconaghy
Analyzing the ethnicity associated with the surname Mcconaghy, based on the Decennial U.S. Census figures, there was a noticeable shift between 2000 and 2010. Individuals identifying as Asian/Pacific Islander more than doubled, moving from 0.74% to 1.53%. Those reporting as having two or more ethnic identities saw a decrease, falling from 2.6% to 1.53%, a drop of -41.15%. People identifying as White remained the majority, with a slight increase from 93.94% to 94.24%. The Hispanic population also increased slightly from 1.86% to 2.35%, a rise of 26.34%. The proportions of Black, American Indian, and Alaskan Native ethnicities remained unchanged.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 93.94% | 94.24% | 0.32% |
| Hispanic | 1.86% | 2.35% | 26.34% |
| Asian/Pacific Islander | 0.74% | 1.53% | 106.76% |
| Two or More Races | 2.6% | 1.53% | -41.15% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |