Leitrim-Roscommon

Hi everyone, I'm looking for info about some MURRAY ancestors, the details I have so-far are: Peter - born c1811 in Roscommon married Bridget (also born c1811). They were working in Bolton, UK by 1851. His 1st job in the uk was as a farmer. Catherine c1843 (moved to Bolton) John (son of Peter)- born...