11. MARTINEZPopulation Count: 775,072
Yet another patronymic surname (because they are derived from common first names, these types of surnames are generally the most common), Martinez generally means "son of Martin."
12. ANDERSONPopulation Count: 762,394
As it sounds, Anderson is generally a patronymic surname meaning "son of Andrew."
13. TAYLORPopulation Count: 720,370
An English occupational name for a tailor, from Old French "tailleur" for "tailor" which comes from the Latin "taliare," meaning "to cut."
14. THOMASPopulation Count: 710,696
Derived from a popular medieval first name, THOMAS comes from an Aramaic term for "twin."
15. HERNANDEZPopulation Count: 706,372
"Son of Hernando" or "Son of Fernando."
16. MOOREPopulation Count: 698,671
The surname Moore and its derivations has many possible origins, including one who lived at or near a moor, or a dark-complexioned man.
17. MARTINPopulation Count: 672,711
Patronymic surname taken from the ancient Latin given name Martinus, derived from Mars, the Roman god of fertility and war.
18. JACKSONPopulation Count: 666,125
A patronymic name meaning "son of Jack."
19. THOMPSONPopulation Count: 644,368
Son of the man known as Thom, Thomp, Thompkin, or other diminutive form of Thomas, a given name meaning "twin."
20. WHITEPopulation Count: 639,515
Generally a surname originally used to describe someone with very light hair or complexion.