The members of the 13th General Assembly of Newfoundland were elected in the Newfoundland general election held in November 1878. The general assembly sat from 1879 to 1882.

The Conservative Party led by William Whiteway formed the government.

A.J.W. McNeilly was chosen as speaker.

Sir John Hawley Glover served as colonial governor of Newfoundland until 1881. Henry Berkeley Fitzhardinge Maxse succeeded Glover as governor.

Members of the Assembly The following members were elected to the assembly in 1878: MemberElectoral districtAffiliationFirst elected / previously electedAlfred PenneyBay de VerdeConservative1878Francis WintonBonavista BayConservative1869, 1878George SkeltonConservative1878James SaintConservative1878Alexander M. MackayBurgeo-La PoileConservative1878James S. WinterBurinConservative1873James J. RogersonConservative1870John RorkeCarbonearConservative1863James G. ConroyFerrylandLiberal1874Daniel J. GreeneLiberal1878Augustus F. Goodridge (1880)Conservative1880James O. FraserFortune BayConservative1878Ambrose SheaHarbour GraceConservative1848, 1874Charles DaweConservative1878Joseph I. LittleHarbour MainLiberal1867Patrick NowlanLiberal1873William J. S. DonnellyPlacentia and St. Mary'sConservative1878James CollinsConservative1873Michael E. DwyerConservative1874Nathan NormanPort de GraveConservative1878Michael J. O'MaraSt. John's EastLiberal1878Robert J. KentLiberal1873Robert John Parsons, Jr.Liberal1869, 1878Lewis TessierSt. John's WestLiberal1873Patrick J. ScottLiberal1873Maurice FenelonLiberal1873William WhitewayTrinity BayConservative1859, 1873James H. WatsonConservative1874John RandallConservative1878Alexander J.W. McNeillyTwillingate and FogoConservative1873Stanley B. CarterConservative1878Richard P. RiceConservative1878

By-elections By-elections were held to replace members for various reasons: Electoral districtMember electedAffiliationElection dateReasonFerrylandAugustus F. GoodridgeConservative1880J. G. Conroy retired

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