dna next to a surname below indicates it has been registered with the DNA linking service
and the researcher is keen to find bearers of the same surname to join a DNA project.

ons next to a user below means the user has registered a one-name study of a surname
with the Guild of One-Names Studies.

Surname Timeframe Place Researcher
JACOB >1200 Any Kenneth Jacob
JACOB 1700 - 1860 Headington Reg Wells
JACOBS >1792 Stadhampton Yvonne Bean
JACOBS 19c Witney D Peasey
JACOBS 19c Headington D Peasey
JACOBS 1700 - 1860 Headington Reg Wells
JACOBSON >1948 Cowley Geof Jones