| Ship, nation, owners | Voyage identification number | 90773 |
| Voyage in 1999 CD-ROM | Yes | |
| Vessel name | Upton | |
| Flag | Great Britain | |
| Flag IMP | Great Britain | |
| Place constructed | Maryland, port unspecified | |
| Year constructed | 1749 | |
| Place registered | Liverpool | |
| Year registered | 1759 | |
| Rig | Ship | |
| Tonnage | 180 | |
| Standardized tonnage IMP | 281 | |
| Guns mounted | 17 | |
| Vessel owners | Gildart, James Barnes, Abraham |
|
| 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 | Gambia | |
| Second place of slave purchase | ||
| Third place of slave purchase | ||
| Principal place of slave purchase IMP | Gambia | |
| Places of call before Atlantic crossing | ||
| First place of slave landing | North Potomac | |
| Second place of slave landing | South Potomac | |
| Third place of slave landing | ||
| Principal place of slave landing IMP | North Potomac | |
| Place where voyage ended | Liverpool | |
| Region where voyage began IMP | England and Wales | |
| First region of slave purchase | Senegambia and offshore Atlantic | |
| Second region of slave purchase | ||
| Third region of slave purchase | ||
| Principal region of slave purchase IMP | Senegambia and offshore Atlantic | |
| First region of slave landing | Maryland | |
| Second region of slave landing | Virginia | |
| Third region of slave landing | ||
| Principal region of slave landing IMP | Maryland | |
| Region where voyage ended | England and Wales | |
| Voyage Dates | Year arrived with slaves IMP | 1761 |
| Date voyage began | 1761-02-09 | |
| Date trade began in Africa | ||
| Date vessel departed Africa | ||
| Date vessel arrived with slaves | 1761-10-10 | |
| Date vessel departed for homeport | 1762-02-19 | |
| Date voyage completed | 1762-05-07 | |
| Voyage length, homeport to slaves landing (days) IMP | 243 | |
| Middle passage (days) IMP | ||
| Captain and Crew | Captain's name | Pemberton, Samuel Birch |
| Crew at voyage outset | ||
| Crew at first landing of slaves | 35 | |
| Crew deaths during voyage | ||
| Slave (numbers) | Number of slaves intended at first place of purchase | 400 |
| 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 | 168 | |
| Number of slaves arriving at first place of landing | 137 | |
| Number of slaves disembarked at first place of landing | 107 | |
| Number of slaves disembarked at second place of landing | 30 | |
| Number of slaves disembarked at third place of landing | ||
| Total slaves disembarked IMP | 137 | |
| 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).
Lambert,73,367,376: Lambert, Sheila (ed.), House of Commons Sessional Papers of the Eighteenth Century, 145 vols. (Wilmington, DE, 1975). MSA, S205-1: Maryland State Archives (Annapolis, Maryland, USA) S205-1, Access no. 20,422-318/320, Naval Officer (General File), 1761-64, North Potomac, Vessel clearances, Account of Duties on Negroes, pitch, etc., 29 September 1761-29 September 1762 Walsh Maryland Database: Walsh, Lorena, Database of slave trading voyages to Maryland Minch,160-61: Minchinton, Walter E., Celia King, and Peter Waite (eds.), Virginia Slave Trade Statistics, 1698-1775 (Richmond, 1984). |