The "Cambon's" migrated into then Nelson county, Ky from Southern Maryland and was part of Sixty Catholic Families: that made the trekweestward in late 1700's. Source: Centenary of Catholicity in Ky by Hon. Ben Webb on page 69 state: among the most noteworthy of the Catolic emigrants to Kentucky in 1788 was Henry Cambron, previously a highly respected citizen of Montgomery Co., Maryland. Then"Marylanders to Ky 1775-1825" by Henry C. Peden Jr--page 23: Henry Cambronearly Catholic settlerin Ky was accompanied by his father, Baptist Cambron. they lived in the Cartwright Crrek area of then Nelson Co., Ky. Did not find any mention ot Emmanuel of Loretto, Marion co., Ky but he has to be part of this family line.
this is not my line and just trying to help you...you might check Marion Co., Ky website.....Chas of Tucson