There are many variations on this surname- Carran,
Caren, Karran etc. The marriage you mention
is on familysearch -- as Charles CAREN to
Elizabeth Kelly but was submitted by a member
of the LDS/ Mormon church. Their family group record
gives 2 sons John about 1839 & Joseph about 1842.
Wife born/baptised 1817. You need to check old
Kirk Braddan records for yourself.