What are your thoughts could Fanny Bailey have married using her mother's maiden name

I haven't found this Fanny on any other censuses other than 1901
and is this her daughter from the 1911 census
Mabel
ELSE mmn
BAILEY 1905 J Quarter in CHORLTON Volume 08C Page 920
William Herbert ELSE age Age: 22, father Frederick
Marriage 21 May
1899 Hulme, St Michael, Manchester
Spouse:
Fanny GILES 21 father’s name left blank
1901 Piece: 3698 Folio: 65 Page Number: 34
William H ELSE 23
Fanny 23 Swindon WiltshireWilliam A 8/12
William Arthur ELSE
mmn BAILEY 1900 S Quarter in CHORLTON Volume 08C Page 975
William Arthur ELSE age 19
Birth Place: Hulme, Lancashire
Document Year:
1915Regimental Number: 4783
Regiment Name: 3 - 8 St Battalion M - G Regiment
Form Title: Territorial Force Attestation
Number of Images: 8
Fanny ELSEMother
Fanny is his next of kin address
43 Percival St C on MFanny ELSE died age 39
Sep 1917 Manchester Volume: 8d Page: 185
Burial 1917
https://www.findagrave.com/memorial/150824740/fanny-elseThere is a birth entry for a Fanny Giles but she has a mmn
GILES, FANNY mmn PINNEGAR
1878 J Quarter in CRICKLADE Volume 05A Page 45
snap posting whilst red writing
ADDEDMabel ELSEBaptism 26 Apr
1905 Hulme, St John the Baptist, Lancashire
Father:
William Herbert Else, widow cleaner Mother:
Fanny , abode 1 South St
Joseph Frederick ELSE Birth 8 Sep 1902
Baptism 19 Nov 1902 Hulme, St John the Baptist, Lancashire
Father:
William Herbert Else, porter Mother:
FannyJoseph Frederick ELSE
mmn BAILEY 1902 D Quarter in CHORLTON Volume 08C Page 872