He proposed that a Limerick Athenaeum should be established, and bought the lease in 1854 of the former headquarters of St Michael's parish commissioners on Cecil Street.
[1][2] Lane-Joynt resigned in late 1863 from the Limerick Corporation, moving to Grange Abbey, Raheny, Dublin.
[3] That year he attended the Great Exhibition in Paris and received the Legion of Honour by Napoleon III.
In 1869, he resigned from the Dublin Corporation having been appointed the Crown and Treasury Solicitor, a position he held until its abolition in 1887.
[1][2] In the early 1880s, Lane-Joynt sat on the Mansion House Relief Committee which oversaw the distribution of aid in the west of Ireland.
He was also a member of the board of Irish Lights, and saw the construction of a lighthouse at the entrance to Kilronan Harbour, Inishmore.
[1] From 1873, he was estate agent for Henry White, 1st Baron Annaly, spending his summers in Clareville House, County Clare.
A stained glass window commemorating Lane-Joynt was erected in St Patrick's Cathedral, Dublin.