Family History Society

Re: Manx Immigration to Victoria Australia

My father,s name was John Lewis Kennaugh, I believe he was born here and had two brother's Leslie and William born IOM and a sister Florence who was deceased(not sure at what age) His father was David Kennaugh and his Mother was B Moughton?? I have no dates. I also remember being told that David kennaugh had a brother Charlie who emigrated to the USA. Do you have any further info or direct me as to where I should look.