All Saints' Church, Raheny, Church building in Raheny, Ireland

All Saints' Church stands on Howth Road in walled grounds with mature trees, just south of Raheny village centre. George Ashlin designed it in an early English style with a cruciform plan: Wicklow granite walls with limestone dressings, a substantial belfry with Cumberland slates, an octagonal spire and a weathervane.

Arthur Guinness, Baron Ardilaun, offered in 1881 to build a new church on his St Anne's Estate; the parish agreed in 1885. Designed by George Ashlin and funded by Ardilaun at about £9,000, it was completed in 1889 and dedicated on 16 December after a Guinness family death delayed the planned All Saints' Day service. Full consecration came only on 16 December 1989, after the freehold was bought from the Howth Estate for £250 in 1969.

The parish's right of presentation of the rector was held by Arthur Guinness, Baron Ardilaun, who funded the church at a cost of around £9,000 in the 1880s. His conditions were that the rites of the church be standard and that both All Saints' and the older St Assam's Church be well maintained. The church is occasionally rented for concerts, and the adjacent Johnston Hall and All Saints' Hall host the Girl Guides, the Boys Brigade and the Mothers' Union, with car boot sales held in the grounds.

The building hosts regular worship services throughout the week, with the main gatherings happening on Sunday mornings. Visitors should check ahead for specific service times, as schedules may shift seasonally.

The crypt's mortuary chapel holds graves of the Guinness family, including Lord Ardilaun, who paid around £9,000 for the church in the 1880s. The one-tonne bell of 1926 was given by Bishop Benjamin Plunket in memory of Lady Ardilaun, his aunt.