Thomas Parr
Total Number of Slaving Voyages for which they are responsible according to slavevoyages.org: 18Estimated Enslaved Captives Trafficked Throughout Career according to slavevoyages.org: 4699
Details: The Parr family were a prominent slaving family, known to have owned the Parr - the largest vessel in the British trans-Atlantic fleet, built to traffic 700 enslaved people.
Citations/Sources: https://prestonhistory.com/people/john-owen-parr-vicar-part-1/#sdfootnote1sym