Hi dathai, thanks for the further information. You may well have found another branch of my Belfast Liddy family who moved to Dublin. My problem is that although I can find corresponding births in Belfast for Patrick, James and Charles born to Charles Liddy (senior) and Mary (Moorehead) Liddy, I cannot find births for the 2 girls Mary Jane and Annie to Charles senior and Mary. Also I cannot find deaths for Charles senior and Mary in Belfast or Dublin between 1881(birth of Charles junior) and 1901, year of census, so I need to find out what happened to them. There are obvious inaccuracies in the census return such as Patrick aged 23 being the son of Mary Jane aged 26, the sister Annie being born in Dublin and John the visitor being a school teacher aged 20. Given these inaccuracies, maybe Mary Jane head of family is actually the mother (who was called Mary Jane) and her age has been recorded incorrectly. Much more searching and researching to be done. Thanks again for all your help.
Paul.