Is this your family line:
Marriage:
June Q 1872
W Derby 8b 575
Thomas Richards
Isabella Riding
some possible children:
RICHARDS, THOMAS mother's maiden name RIDING
GRO Reference: 1873 J Quarter in PRESCOT Volume 08B Page 561
RICHARDS, ISABELLA mother's maiden name RIDING
GRO Reference: 1876 M Quarter in WEST DERBY AND TOXTETH PARK Volume 08B Page 550
RICHARDS, ISAAC mother's maiden name RIDING
GRO Reference: 1878 S Quarter in WEST DERBY AND TOXTETH PARK Volume 08B Page 612
RICHARDS, ADA mother's maiden name RIDING
GRO Reference: 1880 S Quarter in WEST DERBY AND TOXTETH PARK Volume 08B Page 625
1881 census:
Abode: 4 House 8 Court Maynard Street Toxteth Park Liverpool
Head: Thomas Richards aged 34
Wife: Isabella aged 32
Son: Thomas aged 7
Dau: Isabells aged 5
son: Isaac aged 3
Dau: Ada (age not given)
Looks like this couple then had a daughter Frances
RICHARDS, FRANCES mother's maiden name RIDING
GRO Reference: 1885 D Quarter in TOXTETH PARK Volume 08B Page 226
Have you considered these 2 deaths?
Davies Frances aged 60 June Q 1946 Liverpool North, 8b 452
Davies Frances aged 62 Mar Q 1948 Liverpool South, 10d 634