Angela Patterson wrote:
> My great-great-great grandparents were married in 1853 in Peterhead.
> They were Mary Sangster and James Florence. Mary was born in Peterhead
> in about 1812. Mary had 2 sons prior to her marriage to James. They were
> Robert Davidson born about 1842 and Alexander Beaton born in about 1847.
> I do not know if she ever married their fathers. Her daughters Mary Ann
> and Jemima were born in 1851 and 1853 in Peterhead and their father was
> James Florence. The Florence family and Alexander migrated to Australia
> in 1861 but Robert Davidson did not come with them.
You may already this from the 1851 census for Peterhead:
District 13, page 12, No.56, Kirk Street
Mary Sangster, Head, 40, Ellon Abd
Robert Davidson, son, 10, Cruden Abd
Alexander Beaton, son, 4, Peterhead
James Florence, Lodger, 28, Tyrie Abd
William Aiken, Lodger, 30, Peterhead
Janet Reid, Lodger, 19, Cruden