Painter and muralist, born in Lucknow, India. After education in an Epsom convent she studied at Wimbledon School of Art, 1937–9; her studies at the Slade School of Fine Art, 1939–41, and 1946–8, were interrupted by Army service in World War II. Mackertich was a member of the RBA and NEAC, with a richly coloured palette, who discontinued painting to raise a family, but resumed in 1975. Her mentor was Carel Weight, who introduced her to Duncan Campbell Contemporary Art, which gave her three solo shows. When she died of cancer around 500 works made a studio sale there in 1993. Plymouth City Art Gallery holds Mackertich’s work. Lived in Cambridge.