[1] Tierney apprenticed with a solicitor in Limerick before being admitted to King's Inns in 1798 and being called to the bar in c. 1806.
[2][a] Through his wife's inheritance, he received £6,459 in compensation during the abolition of slavery, for 357 slaves on St Kitts.
[4] In 1845, he succeeded to the Tierney baronetcy, of Brighthelmstone and of Dover Street, which had been created in the Baronetage of the United Kingdom on 5 May 1834 for his elder brother, Matthew John Tierney, Physician-in-Ordinary to George III and George IV.
[5] In April 1812, Tierney was married to Anna Maria Jones at St George's, Hanover Square.
of Bloomsbury Square, London, her elder sister, Harriet, was married to Edward's brother, Matthew.