sentences:  For the period from 1614 until 1829, Clontarf was part of the Union Parish of Coolock, and that article contains the history.Notably, for almost this entire period, Clontarf had no Catholic place of worship, the first church, a small chapel dedicated to St. John the Baptist, being built only in 1825.This was a plain rectangular building beside the "big house" called Summerville, behind a row of contemporary housing, and was funded largely by a legacy of 1,000 Irish pounds left by an Edmund Keary.