According to the below book the first recorded Darlington was the Arch Bishop of Dublin, John de Darlington1252. Was Darlington the name of a place? Even a castle or a manor or tiny village, could have been used.
They go on the say that they think it is a Saxon name.The next written account is a Darlington in London in 1484.They think the London Darlingtons came from the Chester area.
Title: Genealogy of the Darlington family : a record of the descendants of Abraham Darlington of Birmingham, Chester Co., Penna., and some other families of the name Authors: Cope, Gilbert, City of Publication: Westchester, Pa. Publisher: unknown Date: 1900 Page Count: 694 Notes: "Printed by the committee for the family." Includes index. coats of arms. Reel/Fiche Number: Genealogy and local history ; G1064 Subject Headings: Darlington family.
Free on Heritage Quest which is available from some libraries, I access it from home.
I am looking for a Joseph Darlington, last know address was Levy County Florida around 1900.His father may have been Charles.