Looking at some of the online trees which have Charles Curtis Chapman marrying Ann Edwards in 1855, they then have another marriage for him as plain Charles Chapman in 1857 (and later a third marriage)
Obviously we know that this can't be right, but it does beg the question of whether there were two Charles born around the same time, and with the same father?
The 1857 marriage was at Saint Mary Haggerston on 12th July
Charles Chapman, full, Bachelor, Carpet Maker, residence Gloucester St, father Charles Chapman, Watch Finisher
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Harriett Jones, full, Spinster, residence Gloucester St
By 1861 they have moved up to Durham, and in the census Charles is 27, born Middlesex St. Luke's.
Remember that for the Ann/Amelia/Charles/Emma Chapman family in Bethnal Green in the 1851 census, no occupations are given.
So, theoretically, Charles could be the chap who married Harriet, and who was a carpet maker / weaver. Or, yes, he could also be the shoe maker who married Ann (but not both!)
That isn't Charles Curtis Chapman jr as he's present in other censuses.
There is no hiding from the fact that his occupation doesn't match the husband of Ann Edwards. But he was only 18 in 1851, perhaps he didn't get on very well with the backgammon table making.
Mother Emma was a shoe binder in 1841 and 1851, so at least there is a link with the shoemaking world.