Family name origins & meanings
- French : habitational name from any of numerous places named Rochefort, from Old French roche ‘rocky outcrop’. This name is sometimes Americanized as Rushford.
- Rochefort is recorded as a secondary surname for Audin or Odon, as well as Baudin, <xref>Dupre</xref>, Hurette, <xref>Joy</xref>, Lairet, Péreau, and <xref>You</xref>. It was first documented in Canada in 1690.