He seems to have been abducted by aliens.
Hugh Glacken born 1832 in Glasgow is showing in the 1841 census in Sydney Street Glasgow then nothing. Father also Hugh born 1796 Derry, mother Catherine Mccartney, brother William born 1837, Margaret born 1839 married James Todd, Agnes born 1843, John born 1847 and Peter who was my ggrandfather he married Williamina McHendrie.
I do have lots of information for this family. Do you recognise any of these names? In particular Hugh (son).