Subject Looking for Immigration Records for William Peddicoate OR Peddicord OR John Petticaote

Seeking information on this line, I need to know which ancestor came over to the US first.--I am Following the PETTICORD ( PETTICORT, PEDDICOARD, PEDDICOATE, PEDDYCOART, and PEDDICORT) line, Jane PETTICORD was my 3x grandmother, she was married to Alfred SHEPARD (SHEPERD, SHEPHERD, SHEPPARD, SHEPPERD) Jane PETTICORD'S b 1815, d 1897 her death was in Gundy Missouri, she's a child of John Samuel PEDDYCOART b 1774-1860 of Maryland John was married to Nancy CANTWELL. John Samuel PEDDYCOART was Basil PEDDICORD'S son, Basil b 1740 d1801 lived in Rock Creek Parish, Fredrick MD. He was son of Nathon PEDDICORD b1710 d1759 and he was the son of William PEDDICOATE OR PEDDICORD of Sumerset County, England, his father was John PETTICOATE b 1625 d 1665 of Bristol, Gloucestershire, England. My email is carolsenterprises@hotmail.com

Thank you
Lois C. Mason