County of Brant:
Organized: 1851
Area: 843 km²
Name Source: Chief Joseph Brant of the Mohawks
Townships: Brantford, Burford, Oakland, Onondaga, South Dumfries, Tuscarora
County of Bruce:
Organized: 1867
Area: 4 156 km²
Name Source: James Bruce, 8th Earl of Elgin and 12th Earl of Kincardine, Governor-General of Canada, 1847-1854
Townships: Albemarle, Amabel. Arran, Brant, Bruce, Carrick, Culross, Eastnor, Elderslie, Greenock, Huron, Kincardine, Kinloss, Lindsay, St. Edmund, Saugeen
County of Dufferin:
Organized: 1881
Area: 1 456 km²
Name Source: Marquess of Dufferin, Governor-General of Canada 1872-1878
Townships: Amaranth, East Luther, East Garafraxa, Melancthon, Mono, Mulmur
County of Elgin:
Organized: 1852
Area: 1 881 km²
Name Source: James Bruce, 8th Earl of Elgin and 12th Earl of Kincardine, Governor-General of Canada, 1847-1854
Townships: Aldborough, Bayham, Dunwich, Malahide, South Dorchester, Southwold, Yarmouth
County of Essex:
Organized: 1792
Area: 1 851 km²
Name Source: A county in England
Townships: Anderdon, Colchester North, Colchester South, Gosfield North, Gosfield South, Gosfield North, Gosfield South, Malden, Mersea, Rochester, Sandwich East, Sandwich South, Tilbury North, Tilbury West
County of Grey:
Organized: 1852
Area: 4 426 km²
Name Source: Charles Grey, 2nd Earl Grey, Prinme Minister of Great Britain, 1830-1834
Townships: Artemesia, Bentinck, Collingwood, Derby, Egremont, Euphrasia, Glenelg, Holland, Keppy, Normanby, Osprey, Proton, St. Vincent, Sullivan, Sydenham
County of Haldimand :
Organized: 1800
Area: 1 252 km²
Name Source: Sir Frederick Haldimand, Governor of Quebec, 1778-1784
Townships: Canborough, Oneida, Walpole, Dunn, Moulton, North Cayuga, Rainham, Seneca, Sherbrooke, South Cayuga
County of Halton:
Organized: 1816
Area: 964 km²
Name Source: Upper Canada’s Secretary Major William Halton. arrived in Upper Canada in 1806 acting as private secretary to a lieutenant-governor and later served as provincial agent for Upper Canada
Townships: Esquesing, Nassagaweya, Nelson, Trafalgar
County of Huron:
Organized: 1849
Area: 3 408 km²
Name Source: An Indian tribe living along the Upper Lake Huron and Georgian Bay
Townships: Ashfield, Colborne, East Wawanosh, Goderich, Grey, Hay, Howick, Hullett, McKillop, Morris, Stanley, Stephen, Tuckersmith, Turnberry, Usborne, West Wawanosh
County of Kent:
Organized: 1792
Area: 2 258 km²
Name Source: A county in England
Townships: Camden, Chatham, Dover, Harwich, Howard, Orford, Raleigh, Romney, Tilbury, Zone
County of Lambton:
Organized: 1852
Area: 3 002 km²
Name Source: John George Lambton, 1st Earl of Durham, Governor-General of Canada, who had lived in Lambton Castle in England
Townships: Bosanquet, Brooke, Dawn, Enniskillen, Euphemia, Moore, Plympton, Sarnia, Sombra, Warwick
County of Lincoln:
Organized: 1792
Area: 795 km²
Name Source: Lincolnshire, a county in England
Townships: Catstor, Clinton, Gainsborough, Grantham, Louth, Niagara, North Grimsby, South Grimsby
County of Middlesex:
Organized: 1800
Area: 2 196 km²
Name Source: A county in England
Townships: Adelaide, Biddulph, Caradoc, Delaware, East Williams, Ekfrid, Lobo, London, McGillivray, Metcalfe, Mosa, North Dorchester, West Nissouri, West Williams, Westminster
County of Norfolk:
Organized: 1792
Area: 1 607 km²
Name Source: A county in England
Townships: Charlotteville, Houghton, Middleton, North Walsingham, South Walsingham, Townsend, Windham, Woodhouse
County of Oxford:
Organized: 1850
Area: 2 039 km²
Name Source: A county in England
Townships: Blandford, Blenheim, Dereham, East Nissouri, East Oxford, East Zorra, North Norwich, North Oxford, South Norwich, West Oxford, West Zorra
County of Peel:
Organized: 1851
Area: 1 247 km²
Name Source: Sir Robert Peel, Prime Minister of the United Kingdom 1834-835 and 1841-1846
Townships: Albion, Caledon, Chinguacousy, Toronto, Toronto Gore
County of Perth:
Organized: 1850
Area: 2 123 km²
Name Source: A county in Scotland, as selected by John Linton, a former lawyer from Scotland who had settled in Stratford.
Townships: Blanshard, Downie, Ellice, Elma, Fullarton, Hibbert, Logan, Mornington, North Easthope, South Easthope, Wallace
County of Simcoe:
Organized: 1850
Area: 4 859 km²
Name Source: Upper Canada’s first Lieutenant-Governor John Graves Simcoe. 1791–1796
Townships: Adjala, Essa, Flos, Innisfil, Matchedash, Medonte, Nottawasaga, Orillia, Oro, Sunnidale, Tay, Tecumseth, Tiny, Tosorontio, Vespra, West Gwillambury
County of Waterloo:
Organized: 1852
Area: 1 369 km²
Name Source: The final battle of the Napoleonic Wars in Europe
Townships: North Dumfries, Waterloo, Wellesley, Wilmot, Woolwich
County of Welland:
Organized: 1845
Area: 880 km²
Name Source: The Welland River, which was named by John Graves Simcoe after a stream in Lincolnshire, England
Townships: Bertie, Crowland, Humberstone, Pelham, Stamford, Thorold, Wainfleet, Willoughby
County of Wellington:
Organized: 1840
Area: 2 569 km²
Name Source: Arthur Wellesley, the First Duke of Wellington
Townships: Arthur, Erin, Framosa, Guelph, Maryborough, Minto, Nicol, Peel, Pilkington, Puslinch, West Garafraxa, West Luther
County of Wentworth:
Organized: 1816
Area: 1 089 km²
Name Source: Sir John Wentworth, last Governor of colonial New Hampshire, and later Lieutenant-Governor of Nova Scotia, 1792-1808
Townships: Ancaster, Barton, Beverly, Binbrook, East Flamborough, Glanford, Saltfleet, West Flamborough
County of York:
Organized: 1792
Area: 2 357 km²
Name Source: A county in England
Townships: East Gwilliam, East York, Etobicoke, Georgina, King, Markham, North Gwilliam, North York, Scarborough, Vaughan, Whitchurch, York
Sources:
- Brant County: Ontario GenWeb Project
- Chief Joseph Brant
- Counties of Ontario: Bruce County
- Bruce County Museum
- Elgin County – History
- Essex County: Ontario GenWeb
- Former Governors General of Canada
- Haldimand County: Ontario GenWeb
- Halton County: Ontario GenWeb
- About Halton’s Heritage
- Huron County, Ontario GenWeb
- Lincoln County, Ontario GenWeb
- Midddlesex County GenWeb
- Oxford County, Ontario GenWeb
- Simcoe County, Ontario GenWeb
- The Canadian Encyclopedia
- Wellington County
- York County, Ontario GenWeb
- Hugh J. M. Johnston. History of Perth County to 1967. Stratford, Ont. County of Perth. 1967.
- Sean McCoy, Clerk-Secretary, Stratford-Perth Archives, Stratford, Ontario
- Charlotte Woodley, Archivist, Region of Waterloo Archives, Kitchener, Ontario
- Wikipedia
(This page was updated in February 2013.)