[4] The original site selected by the monk was then called Tuaim nAba, and was situated between three River Lee channels[5] which many centuries later were made into one during the construction of the Ballincollig Royal Gunpowder Mills.

[6] One of the notable persons buried in the graveyard was Thomas Tobin, a British merchant who played an important role in the history of the nearby Ballincollig.

[7] The graveyard, with separately designated a protestant section,[8] is not used as an active burial place anymore due to the lack of space,[9] but is still a frequent day-trip destination due to its picturesque location by River Lee's turn.

He was succeeded by his son, Reverend William Beresford, who was eventually stripped of his position by the Archbishop of Dublin and deported to Australia.

[15] Robert Ferris became the rector of the parish in 2020, having been Associate Minister there for eight years prior to his promotion.

[16][17] St Senan's was designed by George Beale,[4] and is built in the Gothic Revival style.