Kirk is a Scottish and former Northern English word meaning 'church'. The term the Kirk is often used informally to refer specifically to the Church of Scotland, the Scottish national church that developed from the 16th-century Reformation. Many place names and personal names are derived from kirk. Basic meaning and etymology. As a common noun, kirk (meaning 'church') is found in Scots, Scottish English, Ulster-Scots and some English dialects, attested as a noun from the 14th century onwards, but as an element in placenames much earlier.
https://en.wikipedia.org/wiki/Kirk