The name Marshall is a boy's name of French origin meaning "one who looks after horses". Marshall is ranked #356 on our popularity charts and is often added to lists like Names with Animal Meanings and discussed in our forums with posts like "Themed Families..".
From the experts:
Marshall is an occupational surname, not having to do with anything military or martial, but stemming from the Norman French for someone caring for horses. It's been used as a first name since the nineteenth century and has been on the Social Security list since it started to publish its data in 1880.
Marshall is the real name of rapper Eminem, and it got some attention during the heyday of communications maven Marshall McLuhan. Peyton Manning named his son Marshall, and Jason Segel played the character of Marshall Eriksen on How I Met Your Mother.