Probably not his first wife?!

Marriages, March qtr 1868
Edmonton district vol 3a, page 150
Barltrop, William
+ and on the same page +
Humphries, Ann
So, this looks likely from 1861:
Reference RG09, Piece 1119, Folio 74, Page 21
Moor End, Broxted
Barltrop, William Head M 44 Labourer b Great Canfield, Essex
Barltrop, Susan Wife F 75 b Barmston, Essex
Great Canfield is under 4 miles from Takeley!