I have an Agnes French born in Rushen in 1821. Her parents were Alexander French from Prestonpans East Lothian Scotland and Margaret Maddrell from Rushen. Alexander was steward of the estate at Kentraugh owned by the Gawn family. Agnes left the IOM around 1821 and married John Christian (also of Kentraugh Rushen) in Liverpool in 1841
Siblings of Agnes include Margaret, Alexander, Elizabeth, Catherine, Eleanor & Euphemia.
Alexander the son married Ann Daly in 1849. I have not come accross any ffrench in connecion with this family.
Regards,
Bruce Ingram