BUTT did not commit suicide.

This is death registration of Amelia:
Deaths Sep 1873
PHIPPS Amelia Selina 23 Wheatenhurst 6a 182

During this quarter a Charles Edward BUTT was in Gloucester Prison. There are 2 entries in the Index:
SURNAME FORENAME COMMITTAL AGE PARISH/TOWN OCCUPATION REF:
BUTT Chas. Edward 22 Aug 1873 22 Arlingham Farmer Q/Gc6/6
BUTT Chas. Edward 26 Aug 1873 22 Arlingham Farmer Q/Gc6/6

and this is his death registration:
Deaths Mar 1874
BUTT Charles Edward 22 Gloucester 6a 195

The following webpage tells us that he was hanged:
http://www.gertlushonline.co.uk/execution---triple-hanging---1874.html

Mike