There appears to be more than 1 marriage of a Griffin to an Ash?
The GRO Index shows these births:
GRIFFIN, JOSEPH (Mother's maiden name:) ASH
GRO Reference: 1855 S Quarter in CIRENCESTER Volume 06A Page 297
GRIFFIN, WILLIAM ASH
GRO Reference: 1857 J Quarter in CIRENCESTER Volume 06A Page 305
GRIFFIN, - ASH
GRO Reference: 1858 J Quarter in CIRENCESTER Volume 06A Page 301
GRIFFIN, ALFRED ASH
GRO Reference: 1859 D Quarter in CIRENCESTER Volume 06A Page 309
GRIFFIN, EDWARD ASH
GRO Reference: 1859 D Quarter in CIRENCESTER Volume 06A Page 309
GRIFFIN, JESSE ASH
GRO Reference: 1859 S Quarter in CIRENCESTER Volume 06A Page 299
GRIFFIN, RUTH ASH
GRO Reference: 1860 S Quarter in CIRENCESTER Volume 06A Page 29
GRIFFIN, GEORGE ASH
GRO Reference: 1862 M Quarter in CIRENCESTER Volume 06A Page 340
GRIFFIN, MARIA ASH
GRO Reference: 1863 M Quarter in CIRENCESTER Volume 06A Page 348
GRIFFIN, MARY EUGENE ASH
GRO Reference: 1865 M Quarter in CIRENCESTER Volume 06A Page 340
GRIFFIN, GEORGE ALFRED ASH
GRO Reference: 1865 M Quarter in CIRENCESTER Volume 06A Page 343
GRIFFIN, WILLIAM ASH
GRO Reference: 1866 S Quarter in CIRENCESTER Volume 06A Page 317
GRIFFIN, CHARLES EDWARD ASH
GRO Reference: 1868 S Quarter in CIRENCESTER Volume 06A Page 341