Henry Fitz-Ailwin de Londonestone (ca. 1135–1212) was the first Mayor of London (later known as Lord Mayor of London from 1347 and then Lord Mayor of the City of London from 2006). He held office from 1189 until his death in 1212.

from: http://en.wikipedia.org/wiki/Henry_Fitz-Ailwin_de_Londonestone