I have no reference to the surname CANIPE but my g-g-grandfather Alfred MOBLEY was in the 1860 census of Chickasaw Co., MS. In 1850 he was in the 1850 census of neighboring Monroe Co., MS. There's the possibility that your John Mobley CANIPE's middle name was his mother's maiden name. We have no information on our Alfred's parents or siblings but it is conceivable a sister of his could have been with him in the late 1850's in Chickasaw Co., MS. Do you have any information about your John's parents--where they were from prior to MS., names of siblings, etc.
--Larry B. Mobley
Researching my MOBLEY, WHITE, APPLETON(?), GIBSON, ISAAC(S), BLAYLOCK, HICKS & WEATHERFORD family lines