Here are some details:
William Taylor Marley He died in 1955. Married on the 6th July 1921
to Mary Annie Ebdy. He was a widower. He was a coal miner and they were both residing at New Elvet in Durham at the time of the marriage.
The house may have belonged to Mary from her first marriage as her husband was killed in the first world war.
What age was given for William & Mary on their marriage certificate
I know you are looking for William but trying to use all info. you have given to try and establish his whereabouts
Looks as if William Taylor MARLEY’s wife Mary Annie was married to
Frederick EBDY, looking at the Free 1911 search using EBDY Durham New Elvet you have this family
Frederick bn 1886, Mary Annie 1888 dau Alice EBDY 1909marriage entry Mar qtr. 1909 Durham
Frederick EBDY name on same page
Mary Annie BACKLERCWGC site gives death of
Frederick EBDY (Private) 15.9.1916 Yorkshire Regiment No. 18831
additonal information given
“
Husband of Mary A MARLEY (formerly EBDY) living
19 Margaret St., New Branscepeth Co. Durham
Not sure what to make of the entry she didn't marry William Taylor MARLEY until 1921 and her maiden name was
BACKLER 
I suppose it could depend when the death entry was recorded
Not as easy to pinpoint your William Taylor MARLEY on Free1911 search, if he was in the Army he could have been serving overseas
Possible (short
) first marriage:
Sep Qtr 1911, Darlington 10a, pg 9
William T MARLEY
Frances M A HOBSON
DEATH: Dec Qtr 1911, Northallerton, 9d, pg 809
Frances M A MARLEY age 24
Frances Mary Ann HOBSON b1887 Crakehall Yorkshire
dau of Thomas & Margaret living Yorkshire 1901 & 1911 Darlington
If this marriage/death entry is correct William could possibly be living in Darlington 1911