Bi-Coloured leaf zonal pelargonium "Mrs Mappin"

Bi-Coloured leaf zonal pelargonium "Mrs Mappin"

"Mrs Mappin" is beautiful! -   She has single flowers of the palest pink with slightly darker ‘eye’.  She is a  zonal pelargonium and her leaves are silver and green bi-coloured.  She stands tall and proud in the greenhouse. 

Bi-Coloured zonal pelargonium "Mrs Mappin"

"Mrs Mappin" was introduced circa 1988 in John Thorpe’s catalogue.   Sometimes in catalogues she is referred to as "Mrs J Mappin".  Does anyone know who Mrs Mappin was/is?

Leaves of "Mrs Mappin"