[5] Dyer was born in Dunedin and attended Otago Girls' High School where she was taught by painters Lula Currie and Myra Kirkpatrick.
These teachers recommended Dyer continue her studies at the School of Art at King Edward Technical College in Dunedin.
[5] Dyer exhibited watercolours, oil paintings, wood-engravings and a piece of sculpture at the Otago Art Society.
In 1947 she won a national mural competition organised by the New Zealand Institute of Architects and judged by Cora Wilding and Ngaio Marsh, with an entry consisting of three panels on the theme of health.
[2] In 1999, the Hocken Library mounted an exhibition of the works of Dyer alongside two other Dunedin designers, Lily Daff and Eileen Mayo.