Hi Francis,
I have received this information regarding Mary Sayle, however I also have records of an Anne Sayle Marrying James Radcliffe and their children are Ann, Mary, Elizabeth, John, Catherine, Thomas, Jane, William, James and Robert so I have no idea where this family fits into the Radlciffe Family tree and if two brothers married Sayle girls?
The info found for Mary is this:

This is Mary Sayle from Family search : Individual Record FamilySearch™ Pedigree Resource File

Search Results | Print
Charles RADCLIFFE Compact Disc #131 Pin #2226286 Pedigree
Sex: M
Event(s)
Birth: 15 Sep 1776

Parents
Father: Charles RADCLIFFE Disc #131 Pin #2225646
Mother: Mary SAYLE Disc #131 Pin #2226284
Marriage(s)
Spouse: Margaret FARGHER Disc #131 Pin #2226309
Marriage: 12 Jan 1806
Patrick, Isle of Man
Personal Information
Occupation:
mentioned in 1821 will of ma Mary Radcliffe als Sayle
Notes and Sources
Notes: Available on CD-ROM Disc# 131
Sources: Available on CD-ROM Disc# 131
Submitter
J OATES