oharas in glasgow

lookinh for any info on my o haras . my gtr grt grt grandads name was luke o hara born around 1815 i dont know where i guess ireland cant seem to find him in scotland . he was married to a margaret sorley ( his 2nd wife i think) his childrens names were john, james , margaret,david i think there may have been a catherine and a sarah , thay lived in and around the laurieston/ gorbals area .if anyone can help with these names i would be very greatful.