Lerbeck name

I am trying to locate anyone that has any information on the lerbeck name. my grandfather came to either canada or usa in 1915 from norway, his last name was Lerbeck/Lierbeck/Leirbeck. first name was lecton/Leighton. they settled in sask, canada and then moved to bc in 1935. his date of birth was sept 23/1898 and he worked on ships 1913-1915, i have post cards he recieved from namsos, namdalen, havnegaden, levaugie, all these places are from norway. also a name of arne lindgard and helen lerleck, any help at all or tips on where to search would be great. thankyou.