MahChinese Alternate transcription of Chinese 马 (see Ma).
MarkeyIrish From the Irish Ó Marcaigh meaning "descendant of Marcach", a given name meaning "horse rider".
MarshallEnglish Derived from Middle English mareschal"marshal", from Latin mariscalcus, ultimately from Germanic roots akin to Old High German marah "horse" and scalc "servant". It originally referred to someone who took care of horses.
PintoPortuguese, Spanish, Italian Means "mottled" in Portuguese, Spanish and Italian, derived from Late Latin pinctus, Latin pictus "painted".
SteedEnglish Occupational name for one who tended horses, derived from Middle English steed, in turn derived from Old English steda meaning "stallion".
StoddardEnglish Occupational name for a horse keeper, from Old English stod "stallion, stud" and hierde "herder".