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I believe this is her info from the GRO site:
Birth:
DANDO, SARAH ELIZABETH JANE Mother's maiden-name: EDWARDS
GRO Reference: 1883 D Quarter in CARDIFF Volume 11A Page 305
Death:
Name: Age at Death (in years):
DANDO, SARAH 58
GRO Reference: 1944 S Quarter in CARDIFF Volume 11A Page 301
The math on date of birth doesn't quite work out compared to age at death (1883 -1886)...but that is pretty close.