finding relative

Hi  I am looking for Vincent Cullen who emigrated to australia about 1962 or 1963,he lived in london at the time he left ,but came from manchster,had five brothers and 1 sister ,peter his brother also emigrated to australia with wife Joan they had children,not sure when they emigrated I believe Vincent got a job in the mines in nsw.I hope I can find him or some relations ,he would be about 75 or 76 now. thank you Chris