It is within the Cobh and Glanmire Union of the Church of Ireland Diocese of Cork, Cloyne and Ross.

[1] Built between 1864 and 1866, St Lappan's Church was funded in part by a bequest from a Miss Hester Bury.

[2] It was built close to an earlier church and graveyard, known in some sources as "St Lappan's Churchyard", which had been in ruins since at least the early 19th century.

[3][4] The building was designed by Welland & Gillespie under the superintendence of Henry Hill.

[5] The church is made of limestone, and features a prominent spire.