Explore the Family Name Mcgranahan

The meaning of Mcgranahan

Irish (northern): Anglicized form of Gaelic Mag Reannacháin, a patronymic from the personal name Reannachán, probably derived from reannach ‘sharp-pointed’ or ‘starry’.

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

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

Based on the Decennial U.S. Census data, the surname McGranahan saw a slight decrease in popularity between 2000 and 2010. In 2000, McGranahan was ranked 25,845th most common surname, however, by 2010 it slipped to the 26,362nd spot, marking a 2% drop. Despite the fall in rank, the number of individuals with this surname actually increased from 894 to 926 during the same period, an increase of 3.58%. The proportion of McGranahans per 100k people also slightly fell from 0.33 to 0.31, a decrease of 6.06%.

	2000	2010	Change
Rank	#25,845	#26,362	-2%
Count	894	926	3.58%
Proportion per 100k	0.33	0.31	-6.06%

Race and Ethnicity of people with the last name Mcgranahan

The ethnic identity associated with the surname McGranahan also experienced changes during this decade. According to the Decennial U.S. Census, in 2000, a significant majority of people bearing this surname identified as White at 95.30%. By 2010, although still the majority, this had reduced slightly to 93.30%. Over the same period, there were increases in the number of McGranahans identifying as Asian/Pacific Islander and those identifying with two or more races; from 0% to 1.08% and 1.57% to 2.27% respectively. The Hispanic representation also grew from 1.45% to 2.38%. There was no change in the percentage of McGranahans identifying as Black or American Indian and Alaskan Native, remaining at 0% for both years.

	2000	2010	Change
White	95.3%	93.3%	-2.1%
Hispanic	1.45%	2.38%	64.14%
Two or More Races	1.57%	2.27%	44.59%
Asian/Pacific Islander	0%	1.08%	0%
Black	0%	0%	0%
American Indian and Alaskan Native	0.78%	0%	0%