| Ship, nation, owners | Voyage identification number | 82500 |
| Voyage in 1999 CD-ROM | Yes | |
| Vessel name | Martha | |
| Flag | Great Britain | |
| Flag IMP | Great Britain | |
| Place constructed | Liverpool | |
| Year constructed | 1788 | |
| Place registered | ||
| Year registered | ||
| Rig | Ship | |
| Tonnage | 250 | |
| Standardized tonnage IMP | 250 | |
| Guns mounted | ||
| Vessel owners | Carruthers, 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 | New Calabar | |
| Second place of slave purchase | Bonny | |
| Third place of slave purchase | ||
| Principal place of slave purchase IMP | Bight of Biafra and Gulf of Guinea Islands, port unspecified | |
| Places of call before Atlantic crossing | ||
| First place of slave landing | Havana | |
| Second place of slave landing | ||
| Third place of slave landing | ||
| Principal place of slave landing IMP | Havana | |
| Place where voyage ended | Liverpool | |
| Region where voyage began IMP | England and Wales | |
| First region of slave purchase | Bight of Biafra and Gulf of Guinea islands | |
| Second region of slave purchase | Bight of Biafra and Gulf of Guinea islands | |
| Third region of slave purchase | ||
| Principal region of slave purchase IMP | Bight of Biafra and Gulf of Guinea islands | |
| First region of slave landing | Cuba | |
| Second region of slave landing | ||
| Third region of slave landing | ||
| Principal region of slave landing IMP | Cuba | |
| Region where voyage ended | England and Wales | |
| Voyage Dates | Year arrived with slaves IMP | 1803 |
| Date voyage began | 1802-09-01 | |
| Date trade began in Africa | ||
| Date vessel departed Africa | ||
| Date vessel arrived with slaves | 1803-04-?? | |
| Date vessel departed for homeport | 1803-07-19 | |
| Date voyage completed | 1803-09-02 | |
| Voyage length, homeport to slaves landing (days) IMP | ||
| Middle passage (days) IMP | ||
| Captain and Crew | Captain's name | Henshall, Phillip |
| Crew at voyage outset | 28 | |
| Crew at first landing of slaves | ||
| Crew deaths during voyage | 17 | |
| Slave (numbers) | Number of slaves intended at first place of purchase | 256 |
| 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 | 235 | |
| Number of slaves arriving at first place of landing | 211 | |
| 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 | 211 | |
| Slave (characteristics) | Percentage men IMP | |
| Percentage women IMP | ||
| Percentage boys IMP | ||
| Percentage girls IMP | ||
| Percentage male IMP | 65.4% | |
| Percentage children IMP | ||
| Sterling cash price in Jamaica IMP | ||
| Slave deaths during middle passage IMP | ||
| Mortality rate IMP | ||
| Source | Sources | LR1802: Lloyd's Register of Shipping, 1764, 1768, 1776, 1778-84, 1786-1787, 1789-1808 (all published in London).
BT98/63,318: BNA (Kew, London) , Board of TradePP,1806(265),XIII,no.1: Great Britain, Parliamentary Papers: 1777, Accounts and Papers, No 9 1788, XXII 1789, XXIV, XXV, XXVI 1790, XXIX, XXX, XXXI 1790-91, XXXIV 1792, XXXV 1795-96, XLII 1798-99, XLVIII 1799 XLVIII 1801-2, IV 1803-4, X 1806, XII 1813-14, XII 1816, VII 1823, XIX 1825, XXVII, XXIX 1826, XXIX 1826-7, XXII, XXVI 1828, XXVI 1829, XXVI 1830, X 1831, XIX 1831-32, XLVII 1842, XLIV 1845,XLIX 1847-8, XXII 1852-3, XXXIX Klein,Havana dataset: University of Wisconsin Library (Madison, Wisconsin, USA) Klein, Havana data-set, 1790-1820 LList, 4 Mar 1803: New Lloyd's List (later, Lloyd's List), (London, England) LList, 22 Apr 1803: New Lloyd's List (later, Lloyd's List), (London, England) LList, 29 Apr 1803: New Lloyd's List (later, Lloyd's List), (London, England) LList, 31 May 1803: New Lloyd's List (later, Lloyd's List), (London, England) LList, 24 June 1803: New Lloyd's List (later, Lloyd's List), (London, England) LList, 6 Sept 1803: New Lloyd's List (later, Lloyd's List), (London, England) MMM, C/EX/L/5/5,1802.123: Merseyside Maritime Museum, Liverpool Registers of Merchant Ships, Subsidiary Register Books |