There seems to be an (age) problem with the census information

1891 Census - Cheltenham

Mary A MUSKAT - age 73, born St Briavells
Catherine L CROME - (visitor) age 61, born St Briavells

(obviously family connections with an important family in the FOD)....

1881 Census, Cheltenham

Robert F MUSHET - 68 Inventor of Steel Rails with Sir Henry Beesemer - born Coleford
Mary A MUSHET - age 62, born St Briavels
Edward M MUSHET - age 38, Steel Mfg, born Coleford

1881 Census,
St Briavels

Daniel CROOME 92, Solicitor, born Breadstone, Glos
Catherine Lizzie CROOME, age 40, born St Briavels
Albert Daniel THOMAS, age 5

1871 Census

Daniel CROOME 71, Land Agent, born Berkeley Glos
Catherine Lizzie CROOME, age 40, born St Briavels
William THOMAS, age 50, born St Briavels
William THOMAS, age 7, born St Briavels