Is Klaas short for anything?
Yes. Klaas is a nickname in most old records, and it usually points to Nicholas. Less often it stands in for Nicolaas. Expect it in Dutch-immigrant and American records, mostly 1600s-1800s. A record that says Klaas and a record that says Nicholas can easily be the same person, so search both names before you rule anyone out.
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FAQs
Is Klaas a nickname?+
In old records, almost always - it stands for Nicholas or Nicolaas. Treat it as a pointer to a formal name until the documents prove otherwise.
Is Klaas a real name on its own?+
It mostly rode on Nicholas in the eras we track (1600s-1800s). If your ancestor's papers only ever say Klaas, record it as written and keep Nicholas as a candidate.
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