[4] Coulouris established a home and studio in Strawberry Bank, Linlithgow, West Lothian in 1976.
Commissions included murals at the Linlithgow railway station (1985)[5] and the Royal Edinburgh Hospital (1990); a series of watercolors for the House of Lords (2004), and a set of watercolors inspired by poetry for the Royal Free Hospital (2008); rug design for the Scottish Poetry Library (1999) and tapestries for Yale College, Wrexham (2002).
[8] In addition to painting, printmaking, and design, Coulouris wrote two short plays with her son, Duncan Wallace.
[9] Mary Louise Coulouris married Scottish engineer Gordon Wallace in 1971; they had two children.
[6] Mary Louise Coulouris died in 2011 in Edinburgh, Scotland, aged 72, from motor neurone disease.