Ship, nation, owners Voyage identification number 36352
Voyage in 1999 CD-ROM Yes
Vessel name Polly
Flag U.S.A.
Flag IMP U.S.A.
Place constructed
Year constructed
Place registered Newport
Year registered
Rig Brig
Tonnage 100
Standardized tonnage IMP 182
Guns mounted
Vessel owners Mason, Benjamin
Voyage Outcome Particular outcome of voyage Voyage completed as intended
Outcome of voyage for slaves IMP Slaves disembarked in Americas
Outcome of voyage if ship captured IMP Not captured
Outcome of voyage for owner IMP Delivered slaves for original owners
African resistance
Voyage Itinerary Place where voyage began IMP Rhode Island, port unspecified
First place of slave purchase Cape Coast Castle
Second place of slave purchase Anomabu
Third place of slave purchase
Principal place of slave purchase IMP Gold Coast, port unspecified
Places of call before Atlantic crossing
First place of slave landing Barbados, place unspecified
Second place of slave landing Rhode Island, port unspecified
Third place of slave landing
Principal place of slave landing IMP ???
Place where voyage ended Rhode Island, port unspecified
Region where voyage began IMP Rhode Island
First region of slave purchase Gold Coast
Second region of slave purchase Gold Coast
Third region of slave purchase
Principal region of slave purchase IMP Gold Coast
First region of slave landing Barbados
Second region of slave landing Rhode Island
Third region of slave landing
Principal region of slave landing IMP Codes without labels
Region where voyage ended Rhode Island
Voyage Dates Year arrived with slaves IMP 1768
Date voyage began 1767-04-27
Date trade began in Africa 1767-08-04
Date vessel departed Africa
Date vessel arrived with slaves 1768-03-08
Date vessel departed for homeport
Date voyage completed 1768-05-29
Voyage length, homeport to slaves landing (days) IMP 319
Middle passage (days) IMP 53
Captain and Crew Captain's name Ferguson, Robert
Crew at voyage outset
Crew at first landing of slaves
Crew deaths during voyage
Slave (numbers) Number of slaves intended at first place of purchase
Slaves carried from first port of purchase
Slaves carried from second port of purchase
Slaves carried from third port of purchase
Total slaves embarked 150
Total slaves embarked IMP 150
Number of slaves arriving at first place of landing 132
Number of slaves disembarked at first place of landing
Number of slaves disembarked at second place of landing
Number of slaves disembarked at third place of landing
Total slaves disembarked IMP 132
Slave (characteristics) Percentage men IMP
Percentage women IMP
Percentage boys IMP
Percentage girls IMP
Percentage male IMP
Percentage children IMP
Sterling cash price in Jamaica IMP
Slave deaths during middle passage IMP 18
Mortality rate IMP 12.0%
Source Sources CO388/56, Petrie to Comm. CMTA, 15 May 1768:

Colonial Office BNA (Kew)


Coughtry, 241-85:

Coughtry, Jay, The Notorious Triangle: Rhode Island and the African Slave Trade, 1700-1807 (Philadelphia, 1981).


T70/1263:

British National Archives (Kew)


T70/31,p.302:

British National Archives (Kew)


NM,68.05.30;68.06.06.: Newport Mercury (Newport, Rhode Island).
CO28/33,gg28:

Colonial Office BNA (Kew)