Found this web site that might be helpful as it does have mariner's etc that travel to and from from poole. Several Newfoundland names are mentioned.
http://www.opcdorset.org/PooleFiles/Poo ... 1-1800.htm" onclick="window.open(this.href);return false;
example
Surname First Name Year/Date Occupation From Notes Source/Document
A
ABBOTT John 1767 Mariner Poole passage from Newfoundland to Poole DHC
ANSTEY Thomas 1764 Mariner master departs the ‘Dolphin’ for Newfoundland, owner J. White, also Poole 1776 & 1778
ANSTEY Thomas 1776 & 1778 Mariner master departs the ‘Dolphin’ for Newfoundland, owner J. White, also Poole 1776 & 1778