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Malachy Postlethwayt, 1707-1767.

English Mercantilist writer.

Malachy Postlethwayt was a London merchant of obscure origins. He became an official of the Royal Africa Company from 1743 to 1746, and an ardent defender of the slave trade. Postlethwayt produced several tracts (1745, 1746, 1749, 1758) urging the expansion of the British slave trade. 

After leaving the RAC, Postlethwayt got involved ironworks schemes in northern England, that apparently went poorly. 

Malachy Postlethwayt's principal claim to fame is the Universal Dictionary of Trade and Commerce, 1751-55,  a translation of Jacques Savary de Brulons's French dictionary adapted for English audience.  It would consume much of Postlethwayt's time, and despite its comparative success, leave Postlethwayt mired in financial debts.  

Postlethwayt's 1757 tract was written to promote the agricultural development of Ireland as a breadbasket for England. It notably contains large translated segments from Cantillon's 1755 Essai.

Malachy was the older brother of the demographer, James Postlethwayt.

 

  


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Major Works of Malachy Postlethwayt

  • The African Trade the great Pillar and Support of the British Plantation Trade in America, shewing, that our loss, by being beat out of all the foreign markets for sugar and indigo by the French, has been owing to the neglect of our African trade; which only, can supply our colonies with Negroes, 1745
  • [Anon] The Importance of Effectually Supporting the Royal African Company of England impartially considered: shewing, that a free and open Trade to Africa, and the support and preservation of the British colonies and plantations in America, depend upon maintaining the forts and settlements, rights and privileges belonging to that corporation, against the Encroachments of the French, and all other foreign rivals in that trade, in a letter to a Member of the House of Commons, 1745 (sometimes attributed to Charles Hayes)
  • The National and Private Advantages of the African trade considered: being an enquiry, how far it concerns the trading interest of Great Britain, effectually to support and maintain the forts and settlements in Africa, belonging to the Royal African Company of England, 1746
  • Considerations on the making of Bar Iron with Pitt or Sea Coal Fire, &c. In a Letter to a Member of the House of Commons, 1747
  • Considerations on the Revival of the Royal-British Assiento, between his Catholic Majesty and the … South-Sea Company. With an … attempt to unite the African-Trade to that of the South-Sea Company, by Act of Parliament, 1749
  • A Dissertation on the plan, use, and importance, of the universal dictionary of trade and commerce, translated from the French of the late celebrated Mons. Savary, 1749 [bk]
  • The Merchant's Public Counting House, or New Mercantile Institution, 1750
  • (Trans.) Universal Dictionary of Trade and Commerce, 1751 (trans. of J. Savary de Brulons), [1766 3rd ed] [1774 4th ed, v.1 [av], v.2 [av]]
  • A Short State of the Progress of the French trade and navigation: wherein is shewn the great foundations that France has laid by dint of commerce, to increase her maritime strength to a pitch equal, if not superior, to that of Great-Britain, unless it is some how checked by the wisdom of His Majesty's Councils, 1756 [bk, av]
  • Great-Britain's True System: wherein is clearly shewn, i. that an increase of the public debts and taxes must, in a few years, prove the ruin of the monied, the trading and the landed interest; ii. the necessity of raising the supplies to carry on a war within the year; iii. that such a design however seemingly difficult, is very practicable, with various schemes for that purpose; iv. an expedient which will support the public credit in all times of public distress and danger, to which is prefixed an introduction relative to the forming a new plan of British politicks, with respect to our foreign affairs, and our connections on the continent, 1757 [bk]
  • Britain's Commercial Interest explained and improved, in a series of dissertations on several important branches of her trade and police, containing a candid enquiry into the secret causes of the present misfortunes of the nation, with proposals for their remedy; also the great advantages which would accrue to this kingdom from an union with Ireland, 1757, v.1, v.2 [1759 ed]
  • In Honour to the Administration: the Importance of the African Expedition Considered: with copies of memorials, as draw up originally, and presented to the ministry; to induce them to take possession of the French forts and settlements in the River Senagal, as well as all others on the coast of Africa, 1758 [bk].

 


HET

 

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Resources on Malachy Postlethwayt  

  • Extracts from Advantages of Africa Trade [pdf]
  • "Postlethwayt, Malachy" in C. Coquelin and G.U. Guillaumin, editors, 1852, Dictionnaire de l'économie politique [1864 ed.]
  • "Postlethwayt, Malachy" in R.H. Inglis Palgrave, editor, 1894-1899, Dictionary of Political Economy [1918 ed.]
  • "Postlethwayt, Malachy" in Leslie Stephen & Stephen Lee, editor, 1885-1901 Dictionary of National Biography [1908-09 ed]
  • Malachy Poslethwayt entry in Oxford NB
  • "Malachy Postlethwayt, 1707-1767, genealogy and influence of an early economist and spin doctor" by Robert J. Bennett, 2011 [pdf]
  • Wikipedia

 

 
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