Apologies delayed response - been out of e-mail contact last week.
Thanks for researching this. Alexander jumped ship in Surabaya, Indonesia in 1881 when he was 18. I've no idea how he ended up in Belfast in 1887. He was still there living at 37 Marine Street in 1926, when he was awarded the UK Merchant Marine Medal for service in WW1. I have record of some vessels he sailed on out of Belfast up to 1928.
Is there any record of when he died ??