Born Heaton Norris, Lancs according to 1871 census (age 15)
Born Droylsden, Lancs according to 1881 census (age 22)
Born Droylsden, Lancs according to 1891 census (age 35)
Born Barnsley, Yorkshire according to 1901 census (age 46)
Born Openshaw, Lancs according to 1911 census (aged 55)
No death matching death index records, so probably is the same person, but maybe Henry Doxey married twice - Both Marys! More likely, is that the 1881 census is in error.
DOOLEY, MARY ANN DEAN
GRO Reference: 1853 M Quarter in STOCKPORT
Volume 08A Page 36
or
DOOLEY, MARY ANN COSTELLO
GRO Reference: 1854 S Quarter in STOCKPORT
Volume 08A Page 62