Margurite James Sanderson Ditty (1880–1962) was a photo-engraver in the Seattle area for 30 years and an "adventurous entrepreneur" and "hard-nosed" businessman who was involved in the developing of Bellevue, Washington.

[3] "Early on", Ditty constructed a cluster of stores, a quarter mile north of Main Street in Bellevue.

[6] He devised detailed plans including the bridging of Lake Washington and an area filled with golf courses and airports.

James was born in Hudson, Ohio and raised in Cleveland[7] with his brothers Thomas Ross and Frank Leonard Ditty.

[7] He became friends with James Calvert, and as part of the artists' colony, helped to found the Beaux Arts Village.