Lambert (name)

Lambert is an English and French given name and surname. It is from the Low German form of the anthroponymic name "Landberht" from the Old High German "land" "(home) land" and "beraht" "bright".
It is one of the most common French surnames with a total number of birth in France between 1966 and 1990 around 18,000 births. variant forms include : "Lamberty, Lambertot, Lamberton".
Geographical distribution.
As of 2014, 36.1% of all known bearers of the surname "Lambert" were residents of the United States (frequency 1:3,039), 26.4% of France (1:765), 8.5% of England (1:1,983), 7.3% of Canada (1:1,533), 4.9% of Belgium (1:705), 2.8% of Australia (1:2,604), 2.4% of Nigeria (1:22,741), 1.5% of Germany (1:16,231) and 1.4% of South Africa (1:12,113).
In Belgium, the frequency of the surname was higher than national average (1:705) only in one region: Wallonia (1:296).
In France, the frequency of the surname was higher than national average (1:765) in the following regions: