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All you have to know about the last name FITZSIMMONS

Last name frequency

FITZSIMMONS : This last name is indexed 27,844 times on Geneanet!

Origin of last name

FITZSIMMONS : Irish and English: variant of Fitzsimon with post-medieval excrescent -s from Anglo-Norman French fi(t)z ‘son’ (see Fitz) + either of the personal names Simon or Sigmund (see Simon) ‘son of Simon or Sigmund’. The name is also found in the Gaelicized form Mac Síomóin.

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Variants of last name

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