Ernestine Tahedl was born and educated in Austria and received a Master's Degree in graphic art from the Vienna Academy of Applied Arts. Following graduation in 1961, she collaborated with her father, Professor Heinrich Tahedl, in the design and execution of stained glass commissions until she emigrated to Canada in 1963.

Her work is represented in public, corporate and private collections and galleries in Canada, United States, France, Switzerland, Austria, and Japan. Her awards include the Graduation Prize of the Austrian Government 1961, the Bronze Medal of the Vienna International Exhibition of Paintings 1963, the Allied Arts Medal of the Royal Architectural Institute of Canada 1966, and a purchase award, Concourse Artistique du Quebec 1966. In 1967, she received a Canada Council Arts Award.

She was elected a member of the Royal Canadian Academy of Arts in 1977 and of the Ontario Society of Artists 1984. She received the Governor General's Canada 125th Anniversary Medal in 1993

Major Commissions
1964 Sisters of the Holy Cross Chapel, Edmonton
1965 St. Timothy's Anglican Church, Edmonton
McKernan Baptist Church, Edmonton
1966 Federal Post-Office Terminal, Edmonton
1967 The Sanctuary, Canadian Pavilion, Expo '67
Le Trianon, Montreal
1968 Sculpture, McGill University Campus
Montreal Forum
Carefree Lodge, Toronto
Students Union, University of Alberta
Cross Cancer Clinic Hospital, Edmonton
1969 First Presbyterian Church, Regina
1971 Mendel Art Gallery, Saskatoon
L'edifice du revenue national, Quebec
Carefree Lodge, Toronto
1981 Residence, Judge et Mme J. Beauregard, Montreal
1982 Bibliotheque Municipale de Ville de Varennes, Quebec
Centre d'accueil, St. Bruno, Quebec
Municipal Library, Greenfield Park, Quebec
1987 Annunciation of the Lord Church, Gloucester, Ontario
1989-1991 Restoration - Christkoenigs Church, Klagenfurt, Austria
1990-1994 St. Peter's Estonian Evangelical Lutheran Church, Toronto, Ontario
1999 Glass Sculpture, Studio King, Vienna, Austria

Solo Exhibitions
1971 Wiener Secession, Vienna, Austria
1972 Galerie les deux B, St. Antoine sur Richelieu
Gallery 93, Ottawa
1973 Downstairs Gallery, Edmonton
Galerie les deux B, St. Antoine sur Richelieu, Quebec
1974 Gallery 93, Ottawa
Ecole de Beaux-Arts, Montpellier, France
Cultural Center of Lower Austria
1976 Galerie les deux B, St. Antoine sur Richelieu, Quebec
Sisler Gallery, Toronto
1977 Gallery 93, Ottawa
Lefebvre Gallery, Edmonton
Goethe-Institut, Montreal
1978 McDowell Gallery, Toronto
Centre culturel de Pointe Claire Stewart Hall
Galerie d'art Manoir Rouville-Cambell, Mont St-Hilaire
1979 Vered International Art Gallery, East Hampton, New York
1980 The Shayne Gallery, Montreal
Lefebvre Galleries, Edmonton
1982 Lefebvre Galleries, Edmonton
McDowell Gallery, Toronto
1983 La Collection Tudor, Montreal
J. Arends Gallery, Edmonton
Maison Louis-H. Lafontaine, Boucherville, Quebec
1984 Gallery Quan, Toronto
1985 J. Arends Gallery, Edmonton
1986 Gallery Quan, Toronto
J. Arends Gallery, Edmonton
Glenhyrst Art Gallery of Brant, Brantford
1987 The Shayne Gallery, Montreal
Gallery Quan-Schieder, Toronto
1988 Gallery Quan-Schieder, Toronto
1989 Wallace Gallery, Calgary
1990 Gallery Quan-Schieder, Toronto
1991 Gallery on Whyte, Edmonton
1992 Schieder and Associates Gallery Ltd., Toronto
1993 Wallace Galleries Ltd., Calgary
1993 Schieder and Associates Gallery Ltd., Toronto
1994 The Bugera/Kmet Galleries, Edmonton
1994 Galerie L'Autre Equivoque, Ottawa
1995 Robert Langen Gallery
Wilfrid Laurier University, Waterloo
1996 The Bugera/Kmet Galleries, Edmonton
1997 Two Visions, Helen Lucas and Ernestine Tahedl, John B. Aird Gallery, Toronto
1998 State Street Gallery, Sarasota, Florida, U.S.A.
Four Canadians: Helen Lucas, Tom Miller, Louis DeNiverville, Ernestine Tahedl
1998 The Bugera/Kmet Galleries, Edmonton
2000 The Next Show-Helen Lucas and Ernestine Tahedl, John B Aird Gallery, Toronto
2000 Trias Gallery, Toronto
2000 Daniele Rochon and Ernestine Tahedl, Wallace Galleries, Calgary, Alberta
2001 The Bugera/Kmet Galleries, Edmonton
2001 Trias Gallery, Toronto
2005 The Shayne Gallery, Montreal

Collections
Public
Alberta Art Foundation, Edmonton, Alberta
Art Gallery of Hamilton, Ontario
Bowman Collection, Newmarket, Ontario
Collection External Affaire, Beijing, China
Collection External Affaire, Ottawa, Ontario
Ecole de beaux-arts, Montpellier, France
Goethe Institute, Montreal, Quebec
Government of Alberta Kanagawa Prefectural Gallery, Japan
Lester Pearson Collection, Ottawa, Ontario
London Regional Art Gallery, Ontario
McGill University, Montreal, Quebec
Musee du Quebec, Quebec
Public Gallery of San Salvador, El Salvador
Public Gallery of the City, Vienna, Austria
Stewart Hall, Cultural Center, Pointe Claire, Quebec
Corporate
ABN Bank, Toronto, Ontario
Abraham, Berkis and Assoc., Toronto, Ontario
Alberta Energy CoOperation
Alberta Telephone, Calgary, Alberta
Art Collection, L'Hotel, Toronto, Ontario
AT & T Canada Inc., Toronto, Ontario
AVCO Financial, Toronto, Ontario
AXA Insurance (Canada), Toronto, Ontario
Bank of Montreal, Toronto, Ontario
Bell Canada, Toronto, Ontario
Beneficial Canada, Toronto, Ontario
BT Bank of Canada, Toronto, Ontario
Camvec, Mississauga, Ontario
Canadian Pacific, Montreal, Quebec
Canadian Tire, Toronto, Ontario
Cassels Brock Blackwell, Toronto, Ontario
Chaiton and Chaiton, Toronto, Ontario
Chubb Insurance, Toronto, Ontario
CIBC, Toronto, Ontario
Citadel Assurance Inc., Toronto, Ontario
Clarkson Gordon, Toronto, Ontario
Coca-Cola Inc., Toronto, Ontario
Commercial Union Life Assurance, Toronto, Ontario
Cooper and Lybrand Ltd., Toronto, Ontario
CP Terminal 3 (Empress Lounge) Pearson Int. Airport, Toronto, Ontario
Craftwood Productions, Toronto, Ontario
Crown Plaza Hotel, Toronto, Ontario
Einfield and Company, Toronto, Ontario
Environics Research Group Ltd., Toronto, Ontario
Esso Resources, Calgary and Toronto
Fireman Regan, Toronto, Ontario
First Professional Mgmt. Inc., Toronto, Ontario
Gardiner Roberts, Toronto, Ontario
Goldfarb Consultants, Toronto, Ontario
Granite Club, Toronto, Ontario
Gulf Oil Canada, Calgary, Alberta
Harris Trust, Sarasota, Florida
Hiram Walker, Toronto, Ontario
Honda Corporation, Mississauga, Ontario
IIM Ltd., Toronto, Ontario
Imperial Life, Toronto, Ontario
Imperial Oil, Toronto, Ontario
Kraft Canada, Montreal, Ontario
Lancaster Financial, Toronto, Ontario
Laubacher Chemie Werke, Vienna, Austria
Lawson Leasing Ltd., Toronto, Ontario
Lindquist Avey MacDonald and Baskerville, Toronto, Ontario
Longley and Vickar, Toronto, Ontario
M.T. Associates, Toronto, Ontario
MacLean Hunter, Toronto, Ontario
Magna International, Markham, Ontario
ManuLife Real Estate, Toronto, Ontario
Marathon Realty, Toronto, Ontario
Mark Mickleborough Rogers Campbell, Toronto, Ontario
Mazda Canada, Toronto, Ontario
McCarney Greenwood Vottero Accountants, Toronto, Ontario
McKenna Gale Capital Inc., Toronto, Ontario
McKinsey And Company, Toronto, Ontario
Medcan Health Management, Toronto, Ontario
Merck Frosst Canada Inc., Montreal, Quebec
Microsoft, Toronto, Ontario
Midlan Walwyn, Toronto and Mississauga, Ontario
Morrain Atchison and Denman, Toronto, Ontario
National Cash Register, Toronto, Ontario
Nesbitt - Thomson, Calgary, Alberta
Norcount Control, Toronto, Ontario
Pan Canadian Petrolium, Calgary, Alberta
Personal Insurance Company, Toronto, Ontario
Premdor Inc., Toronto, Ontario
Readers Digest, Montreal, Quebec
Renfrew Insurance Brokers, Toronto, Ontario
Robert Wharton, Toronto, Ontario
Royal Bank of Canada, Montreal, Quebec
Royal Insurance, Toronto, Ontario
Sheraton Center, Montreal, Quebec
Somerville Construction, Toronto, Ontario
Teddington Ltd., Toronto, Ontario
Teleglobe Canada, Montreal, Quebec
Thomson Miller, Toronto, Ontario
Toronto Sunnybrook Regional Cancer Center
Touche Ross, Ottawa & Toronto, Ontario
Treuhand, Vienna, Austria
Unitel Communications Inc., Toronto & Calgary
Walter Mackenzie Health Science Centre, Edmonton, Alberta
Yam - Aischi Int., Montreal, Quebec
Zurich Life Canada, Toronto, Ontario