Surnames A-Z Surnames Registered with the Guild Each of the surnames listed is the subject of a one-name study carried out by a Guild member and links to our full search results for that study. If the results include a study profile, the link is shown with a light grey background. Select an initial letter to view our list of registered surnames:A B C D E F G H I J K L M N O P Q R S T U V W X Y Z We have 83 registered surnames beginning with J. Jack Jacke Jacket Jackets Jackett Jacketts Jackis Jacks Jacque Jacques Jago Jak Jameson Jamieson Jamison Janson Jared Jarrad Jarred Jarrod Jawitt Jaycock Jaycocks Jaycox Jayne Jaynes Jeacock Jeacocke Jeacocks Jealous Jeckes Jecks Jeffcoat Jeffcott Jekkes Jellis Jelliss Jellous Jellows Jennet Jennett Jennette Jennetts Jent Jephcote Jephcott Jeremiah Jerreat Jewett Jewitt Jex Jexe Jines Joiner Joinson Jompe Jonet Jouby Jowett Jowitt Joyner Joynson Jsmay Jub Jubb Jubbey Jubbie Jubbs Jube Jubey Jubi Jubie Juby Juett Jump Jumpe Jumps Jupe Jupp Juppe Jups Jurd Jynes Select an initial letter to view our list of registered surnames:A B C D E F G H I J K L M N O P Q R S T U V W X Y Z