Flak Family History
Flak Name Meaning
Polish: nickname from flak ‘bowel’, ‘gut’, also ‘rag’. German and Danish: according to Søndergaard, a topographic or field name, from Low German flak ‘swampy grassland’, ‘shallow water’. German: topographic name for someone who lived in flat terrain, from Middle High German vlak ‘flat’, or, according to Bahlow, a variant of Flake.
Source: Dictionary of American Family Names ©2013, Oxford University Press