Well, found the marriage and a few children born in the same area to a Samuel and Mary Harvey...
Name:Samuel Harvey
Gender:Male
Marriage Date:30 Apr 1726
Marriage Place:Saint Buryan,Cornwall,England
Spouse: Mary Bosustow
FHL Film Number:496686
Name:Katherine Harvey
Gender:Female
Baptism Date:4 Feb 1727
Baptism Place:Saint Buryan,Cornwall,England
Father:Samuel Harvey
Mother:Mary
FHL Film Number:0254219, 0090235
Name:Mary Harvey
Gender:Female
Baptism Date:31 Jan 1728
Baptism Place:Saint Buryan,Cornwall,England
Father:Samuel Harvey
Mother:Mary
FHL Film Number:0254219, 0090235
Name:Samuel Harvey
Gender:Male
Baptism Date:15 May 1740
Baptism Place:St. Buryan, Cornwall, England
Father:Samuel Harvey
Mother:Mary
FHL Film Number:1545379
Reference ID:item 12-19 p 16
Name:Katharine Harvey
Gender:Female
Baptism Date:4 Feb 1726
Baptism Place:St. Buryan, Cornwall, England
Father:Samuel Harvey
Mother:Mary
FHL Film Number:1545379
Reference ID:item 12-19 p 7
Name:Mary Harvey
Gender:Female
Baptism Date:31 Jan 1727
Baptism Place:St. Buryan, Cornwall, England
Father:Samuel Harvey
Mother:Mary
FHL Film Number:254219
Name:Katherine Harvey
Gender:Female
Baptism Date:4 Feb 1726
Baptism Place:St. Buryan, Cornwall, England
Father:Samuel Harvey
Mother:Mary
FHL Film Number:254219
Name:Joan Harvey
Gender:Female
Baptism Date:28 Jul 1744
Baptism Place:Saint Buryan,Cornwall,England
Father:Samuel Harvey
Mother:Mary
FHL Film Number:0254219, 0090235