Oh goody, I thought they might be the right ones! so I had a look already. Think Fred is a little harder to find than Ann.
I think you're going to need another marriage cert

Marriage
Jun 1894 Macclesfield 8a/164
Fred Slater (b 1873) to Ann Slater (b 1869)
Ann Slater 1871 RG10/3679/17/1
address - Adders Moss, Over Alderley
William Slater 50, ag lab b Capesthorn
Margaret 39 b Chorley
Charles 11
Peter 9
James 6
William 4
Ann 3
Caroline 1
all born Alderley
Marriage
June
1838 1858 Macclesfield 8a/123 (sorry about that)
William Slater to Margaret Hatton