Katherine was born in 1608. She was the daughter of John Bourchier and Elizabeth Verney. She was baptised at Kirby Underdale, Yorkshire on 16 October 1608, with her names spelt Cattren Bursher in the transcript on Familysearch.
↑ Richardson, Douglas. Magna Carta Ancestry: A Study in Colonial and Medieval Families, 4 vols, ed. Kimball G. Everingham. 2nd edition. Salt Lake City: the author, 2011, volume I pages 290-1 BOURCHIER. See also WikiTree's source page for Magna Carta Ancestry.