Bainbridge \ba(i)-nb-ridge, bain-bridge\ as a boy's name is of Irish and Gaelic origin, and the meaning of Bainbridge is "pale bridge". Also a place name for an island in Washington state, across Puget Sound from Seattle.
Bainbridge has 5 variant forms: Bain, Banebridge, Baynbridge, Bayne and Baynebridge.