18 surnames on this site, with what each one means.
JacksonParent’s name · rank 20Son of Jack — Jack being a medieval pet form of John (sometimes Jacob).
JacobsParent’s name · rank 266Patronymic surname meaning “son or descendant of Jacob.”
JacobsonParent’s name · rank 787An English, Scandinavian, Dutch, and Ashkenazi Jewish patronymic meaning “son of Jacob.”
JamesParent’s name · rank 86Surname from the personal name James, ultimately Hebrew Yaʿaqov/Jacob; a personal-name or patronymic formation.
JaramilloPlace · rank 960A Spanish habitational surname from Jaramillo de la Fuente or Jaramillo Quemado in Burgos province.
JeffersonParent’s name · rank 615An English patronymic meaning “son of Jeffrey,” from the medieval personal name Jeffrey.
JenkinsParent’s name · rank 106A patronymic surname from Jenkin, the diminutive “little John” or “son of John.”
JenningsParent’s name · rank 356A patronymic from Jenning, a pet or shortened form of John; “descendant of John.”
JensenParent’s name · rank 268Danish and Norwegian patronymic surname meaning “son of Jens,” a form of John.
JimenezParent’s name · rank 98Spanish patronymic from the medieval given name Jimeno, “son of Jimeno.”
JohnParent’s name · rank 919An English and Welsh surname from the personal name John (Hebrew Yoḥanan, “God has favored”), widely used across Christian Europe.
JohnsParent’s name · rank 735An English and Welsh patronymic surname meaning “son or family of John.”