M'Cain, McKean, McKain

Possibly brothers Samuel(b.1807) and William(B.1815) we're told from Northern Ireland. To USA in 1835/37, Sam's wife Mary Bovard b.1809,Ireland,son John b.1830 Donegal,Ireland, per his death certificate.Sam/Mary's other children born in Philadelphia:Sarah, Jane,Catherine and James.

 William's wife Catherine Burney b.1819 Ireland and son William B. b.1834 Ireland.  William/Catherine's other children: Catherine(born on the sea)John,James,David and Hester born in Philadelphia,Pa.

Both settled 1840/50 in Philadelphia,Pa, Cedar Ward...Sam and William both listed as McKean last name.