| Ship, nation, owners | Voyage identification number | 90613 |
| Voyage in 1999 CD-ROM | Yes | |
| Vessel name | Polly | |
| Flag | Great Britain | |
| Flag IMP | Great Britain | |
| Place constructed | Liverpool | |
| Year constructed | 1748 | |
| Place registered | Liverpool | |
| Year registered | 1755 | |
| Rig | Snauw | |
| Tonnage | 100 | |
| Standardized tonnage IMP | 182 | |
| Guns mounted | 10 | |
| Vessel owners | Spencer, Lawrence Wycliffe, Thomas Leigh, James Ford, Matthew Clemens, James |
|
| 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 | Liverpool |
| First place of slave purchase | West Central Africa and St. Helena, port unspecified | |
| Second place of slave purchase | ||
| Third place of slave purchase | ||
| Principal place of slave purchase IMP | West Central Africa and St. Helena, port unspecified | |
| Places of call before Atlantic crossing | ||
| First place of slave landing | Kingston | |
| Second place of slave landing | ||
| Third place of slave landing | ||
| Principal place of slave landing IMP | Kingston | |
| Place where voyage ended | Liverpool | |
| Region where voyage began IMP | England and Wales | |
| First region of slave purchase | West Central Africa and St. Helena | |
| Second region of slave purchase | ||
| Third region of slave purchase | ||
| Principal region of slave purchase IMP | West Central Africa and St. Helena | |
| First region of slave landing | Jamaica | |
| Second region of slave landing | ||
| Third region of slave landing | ||
| Principal region of slave landing IMP | Jamaica | |
| Region where voyage ended | England and Wales | |
| Voyage Dates | Year arrived with slaves IMP | 1756 |
| Date voyage began | 1755-12-04 | |
| Date trade began in Africa | ||
| Date vessel departed Africa | ||
| Date vessel arrived with slaves | 1756-09-?? | |
| Date vessel departed for homeport | 1757-01-03 | |
| Date voyage completed | 1757-04-22 | |
| Voyage length, homeport to slaves landing (days) IMP | ||
| Middle passage (days) IMP | ||
| Captain and Crew | Captain's name | Clemens, James |
| Crew at voyage outset | 30 | |
| Crew at first landing of slaves | ||
| Crew deaths during voyage | ||
| Slave (numbers) | Number of slaves intended at first place of purchase | 300 |
| Slaves carried from first port of purchase | ||
| Slaves carried from second port of purchase | ||
| Slaves carried from third port of purchase | ||
| Total slaves embarked | ||
| Total slaves embarked IMP | 449 | |
| Number of slaves arriving at first place of landing | 390 | |
| 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 | 390 | |
| 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 | ||
| Mortality rate IMP | ||
| Source | Sources | LST,1744-1786: Richardson, David, Katherine Beedham, and M. M. Schofield, Liverpool Shipping and Trade, 1744-1786 (ESRC Archives, University of Essex, 1992).
HCA30/259;56.10.03: High Court of Admiralty, The National Archives Gazetteer and London Daily Advertiser,1756.10.16.: Gazetteer and London Daily Advertiser |