The above marriage was in Gillingham, St Mary, Magdalene. There are 3 recorded baptisms in the same church from 1811-14 with parents James and Isabella.
Smith
Francis Robert
1811
Kent Baptisms
Gillingham, St Mary Magdalene, Kent, England
1841
https://www.familysearch.org/ark:/61903/1:1:MQKT-YLHJames and Isabella Still at same address on 1851/61 census.
Name Rev Francis Robert Smith
Birth Date 16 Feb 1811
Birth Place Gillingham, Medway Unitary Authority, Kent, England
Death Date 10 Jun 1873
Death Place Rochester, Butler County, Kentucky, United States of America
Cemetery St. Nicholas's Cemetery
Burial or Cremation Place Rochester, Medway Unitary Authority, Kent, England
Father
James Smith
Mother
Isabella Smith
SS