Lach Family History
Lach Surname Meaning
Ukrainian, Belorussian, and Polish: ethnic name from East Slavic Lach ‘Pole’. This term is used in Czech and Slovak to denote the inhabitants of the northeastern part of Moravia near the Polish border.
German: topographic name from Middle High German lāche ‘boundary marker’ or lache ‘pond’ or from a place called with either of these words.
Germanized form of Slovenian Lah.
Source: Dictionary of American Family Names 2nd edition, 2022
