Hello Listers, This is my first posting, and I would like information on the family of Charles Duncan THOMPSON, an astronomer at Dunsink Observatory. Charles was born in about 1796 and died on 16 August, 1876 at 32 Fontenoy Street, Dublin. His parents are unknown. It is believed the wife of Charles was Anne, possibly BROWN. Children to Charles and Anne were: Elizabeth, born 6 April 1830 in Dublin, died as Elizabeth STEWART in Newbridge, Victoria, Australia. Descendants in Australia. John, born 10 March 1831, Dublin, married Grace Maria PARKER in 1851 and died before 1865. Some descendants in the US. Henry Duncan, born 22 January 1832 in Castleknock, Dublin, married Catherine Matilda HEAVISIDE in 1851 in Dublin, and died in Victoria, Australia in 1902. Descendants in Australia. Catherine Matilda is believed to be descended from Kitty Witherington, sister in law of Theobald Wolf Tone. James, born in Dublin 16 August 1833, married Louisa Jane PARKER in 1853 in Dublin and died in Dublin in 1912. Some descendants in the US Maria, baptised 28 July 1834, Church of Ireland, Castleknock, Ireland, no further information. Any information on this family would be gratefully received. Denise Thompson, Sydney, Australia