The Kostek Family Name

Records tie Kostek closely to Kostecki. At root, the name means “From Kostki”.

• Census takers and immigration officers often wrote what they heard.
• Before spelling was fixed, Kostecki was also written Kostek.
• 355 Americans were listed as Kostek in the 2010 census. It sits among the 100,000 most common last names in the country.
• Other spellings include Kostka.

Family crest and blazon

Arms linked to Kostecki and its spellings were granted to individual families; our heraldry team traces which line they belonged to. Research your Kostek family history with a full surname report and painted coat of arms.