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Family name Blackett (Blak
, Blackett
) , throughout the world, is quite a common surname. The family name Blackett is characteristic of Barbados, where it is quite a common surname, Denmark, where it is quite a rare surname, and Trinidad and Tobago. Measured by absolute frequency, it most frequently occurs in Algeria, the United Kingdom, and the United States. Also, Blackett is the forename as well as the last name.