Seton qualified as an advocate, passing the
Scottish bar in 1846. Although Seton did practice as an advocate he soon focussed upon various other public offices: firstly as secretary to the
Registrar General for Scotland (from 1854) and as Superintendent of the
Civil Service examinations in Scotland (from 1862). As an advocate he lived at worked from 13 Coates Crescent in Edinburgh's West End. Seton was one of the founders of the
St Andrew Boat Club, the first vice-chairman of the Society for Improving the Condition of the Poor, a fellow of the
Society of Antiquaries of Scotland. He was elected a Fellow of the
Royal Society of Edinburgh in 1872 his proposer being
Philip Kelland. However, his real love was
genealogy, and in 1863 he published
The Law and Practice of Heraldry in Scotland. He retired in 1889. In later life he lived at "St Benets", 42 Greenhill Gardens in south-west Edinburgh. The house was designed by
John Henderson in 1860. The house was later acquired by the Roman Catholic Church and serves as the home for the Cardinal. George Seton died at his home in
Edinburgh on 14 November 1908, aged 86. ==Family==