I see only one Grace HOPPIN:
Parents marriage, 20 March, 1837:
https://www.familysearch.org/ark:/61903/3:1:S3HY-6GN9-6L3?cc=1833719&personaUrl=%2Fark%3A%2F61903%2F1%3A1%3AQGY9-WLRYDeath, HOPPIN on FreeBMD:
HOPPINS, GRACE 69
GRO Reference: 1884 D Quarter in MUTFORD AND LOTHINGLAND Volume 04A Page 547
1841:
https://www.familysearch.org/ark:/61903/1:1:MQTL-2DZ1851:
https://www.familysearch.org/ark:/61903/1:1:SGJ9-C211861, mother Grace:
https://www.familysearch.org/ark:/61903/1:1:M75K-4FMElizabeth:
https://www.familysearch.org/ark:/61903/1:1:M7T4-M1C1871, mother Grace:
https://www.familysearch.org/ark:/61903/1:1:V5RT-GLL1881, mother Grace:
https://www.familysearch.org/ark:/61903/1:1:Q27D-1S6JHOPPIN, ELIZABETH ANN mmn WIDDICOMBE
GRO Reference: 1838 M Quarter in TOTNES UNION, DEVON Volume 09 Page 505
HOPPIN, GRACE mmn WIDDICOMBE
GRO Reference: 1840 M Quarter in OF THE KINGSBRIDGE UNION Volume 09 Page 404
HOPPIN, WILLIAM mmn WIDDICOMBE
GRO Reference: 1840 M Quarter in OF THE KINGSBRIDGE UNION Volume 09 Page 404
HOPPIN, SARAH ANN mmn WIDDICOMBE
GRO Reference: 1842 M Quarter in TOTNES Volume 09 Page 499
HOPPIN, THOMAS HENRY mmn WIDDICOMBE
GRO Reference: 1844 J Quarter in TOTNES Volume 09 Page 502
HOPPIN, JOHN WIDDICOMBE mmn WIDDICOMBE
GRO Reference: 1847 D Quarter in TOTNES Volume 09 Page 470
Death:
HOPPIN, JOHN WIDDICOMB 34
GRO Reference: 1881 J Quarter in MUTFORD AND LOTHINGLAND Volume 04A Page 473
Probate:
https://www.familysearch.org/ark:/61903/1:1:QPJM-CPPTHOPPIN, MARY ANN mmn WIDDICOMBE
GRO Reference: 1850 S Quarter in TOTNES Volume 09 Page 488
HOPPIN, GEORGE EDMUND mmn WIDDICOMBE
GRO Reference: 1853 M Quarter in TOTNES Volume 05B Page 161
Death:
HOPPIN, GEORGE EDMUND 0
GRO Reference: 1853 J Quarter in TOTNES Volume 05B Page 119
HOPPIN, ELIZA mmn WIDDICOMBE
GRO Reference: 1854 J Quarter in TOTNES Volume 05B Page 168
Death:
HOPPIN, ELIZA 0
GRO Reference: 1855 M Quarter in TOTNES Volume 05B Page 157
Jamjar