Having said that I just had a look on the GRO site and found these birth registrations which look plausible?
BAILEY, Elizabeth MMN: HIBBERD
GRO Reference: 1857 D Quarter in SHEFFIELD Volume 09C Page 325
BAILEY, Aaron MMN: HIBBEARD
GRO Reference: 1855 D Quarter in ROTHERHAM Volume 09C Page 372
Paul