Parents of Amos Bannister

what i found so far is his parents was amos bannister and catharine pearson they married at cathedral ,manchester,lancashire ,england dec 19 1854 .between 1859 and 1860 had son amos bannister my ggrandfather.his mother was from america 1823,father from lancashire 1836.the latest i got i not got much to confirm it hope some one here may have answer to my gggrandfathers parents george bannister of stetford manchester,england and ann not have any idea on her maiden name or either of them birth dates.