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Type Surname (from nickname & from location)

Meaning & History

English and Dutch: nickname for an idle person, from Middle Dutch slac, Middle English slack, ‘lazy’, ‘careless’.

English: topographic name from northern Middle English slack ‘shallow valley’ (Old Norse slakki), or a habitational name from one of the places named with this word, for example near Stainland and near Hebden Bridge in West Yorkshire.

Scottish (Dumfriesshire): habitational name, maybe from Slake or Slack in Roberton, Roxburghshire (now part of Borders region).
Added 8/4/2017 by TanorFaux
Edited 8/5/2017 by Sofia and TanorFaux