Mervyn Davis was a landscape designer, and a friend and colleague to Walling. She:

was a member of the Women's Australian Airforce 1945;

was a student at Burnley Horticultural College and graduated from the Commonwealth Reconstruction Training Scheme as the top student of her class;

was awarded a Diploma in Landscape Architecture from Durham University, U.K.;

set up the Australian Institute of Landscape Architects;

was made an M.B.E. [Member of the British Empire];

was landscape designer for airports at Melbourne, Perth, Launceston and Canberra;

used a mixture of natives and exotics in her work;

worked as technical officer for the Department of Housing and Construction in Australia and Papua New Guinea;

worked with Ellis Stones;

co-authored "Australian Plants - Collectors and Delineators"; and

was partner to Daphne Pearson.