LAST NAME · 2020 CENSUS
Tiernan
Tiernan is the 12,570th most common last name in the United States. In the 2020 Census, 2,351 people carried it — about 0.8 of every 100,000 people. Most people named Tiernan are White.
WHO CARRIES THIS NAME · 2020
White93.1%
Hispanic4.0%
Multiracial1.9%
Asian American0.6%
Black0.4%
Native American0.0%
Shares are tabulated by the US Census Bureau, not modeled. Methodology.
RANK OVER TIME
1990
#14,734
2,487
2000
#11,981
2,392
2010
#12,204
2,552
2020
#12,570
2,351