Lady Mary Elizabeth Nolan (née Boyd; 8 November 1926 – 6 April 2016) was an Australian ceramicist, painter and photographer.

Her paternal grandmother was the painter Emma Minnie Boyd, who exhibited alongside artists such as Arthur Streeton and Tom Roberts.

[2] Mary grew up at the Boyds' "Open Country" home in Murrumbeena, then a rural suburb on the outskirts of Melbourne.

[8] In the 1950s, Perceval produced studio pottery to earn money, and had started to gain critical attention as a painter.

[2][7][9] Mary moved back to London, living with her daughter Alice, and in 1975 relocated to a Herefordshire farmhouse,"The Ruthland", on the edge of Wales.

[7] The newly minted Nolans visited Australia for less than a month in March 1978 for Sidney's exhibition openings around the country.