Quick answer
Lambert is a boy name.
Pronunciation: German /ˈlam.bɛʁt/; Dutch /ˈlɑm.bərt/; French /lɑ̃.bɛʁ/; American English /ˈlæm.bəɹt/; British English /ˈlæm.bət/.
Meaning and history
This name is derived from the Old German elements lant "land" and beraht "bright". Saint Lambert of Maastricht was a 7th-century bishop who was martyred after denouncing Pepin II for adultery. The name was also borne by a 9th-century king of Italy who was crowned Holy Roman Emperor.
Notes and context
Usage: german, dutch, french, english, germanic