LAST NAME · 2020 CENSUS
Shannahan
Shannahan is the 43,628th most common last name in the United States. In the 2020 Census, 533 people carried it, about 0.2 of every 100,000 people. Most people named Shannahan are White.
WHO CARRIES THIS NAME · 2020
White92.9%
Multiracial2.8%
Hispanic2.4%
Asian American0.9%
Black0.6%
Native American0.4%
Shares are tabulated by the US Census Bureau, not modeled. Methodology.
RANK OVER TIME
2000
#38,524
540
2010
#42,237
514
2020
#43,628
533