Big church. Written Kilmore — the same Irish word, cill mhór, in the spellings English gave it.
Cill Mhór, the big church — one of the commonest church names in the country, borne by dozens of townlands and two cathedral towns. Which big church, and how big, is a matter for the local record.
Source: P. W. Joyce, The Origin and History of Irish Names of Places (1869–1913) · Logainm ↗
Big church: it is the Irish cill mhór. Cill Mhór, the big church — one of the commonest church names in the country, borne by dozens of townlands and two cathedral towns. Which big church, and how big, is a matter for the local record.
cill mhór. English spellings of the same word include Kilmore, because the names were written down by ear.