John Boyd married Flora Gerry on July 17, 1804. The marriage was solemnized by Isaac Mansfield, Esq.

Bibliography:

Marblehead, Early Vital Records of Massachusetts: From 1600 to 1850, https://ma-vitalrecords.org/.

Records of the Second Congregational Church of Marblehead, Marblehead Museum.

Vital and Town Records of Marblehead, ancestry.com.

Flora Gerry and John Boyd marriage solemnized by Isaac Mansfield