[2] Eleven of twelve lasted through to the early 1950s, the only loss being due to the Civil war, and despite attempts to replace them remained they remained vital to the running of the South Dublin services suburban services to Bray throughout their lives.
In practice during their lifetimes all twelve were subject to regular rebuilds with over 5 different types of boiler fitted.
[2] The locomotives served the Dublin south suburban area around the Harcourt Street and coastal lines until the rename of the DW&WR to the Dublin and South Eastern Railway (DSER) and on into the Great Southern Railways grouping in 1925.
10, St. Senanus, was allocated a GSR number 429 but ultimately was declared a Civil War loss.
11 appears in the 1910 silent film The Lad from Old Ireland pulling the train that Terry O'Connor gets off at Stillorgan station.