This is a very old air from Ireland, first published in 1840 in Ancient Music of Ireland (Bunting). It is also known by many other names and is usually played as a Waltz in North America.
Ref: https://tunearch.org/wiki/Annotation:Gentle_Maiden_(The)
Ref: https://thesession.org/tunes/6813
G | D7 | G | C | ||
G | Am | Am | Am | ||
G | D7 | G | C | ||
G | Am | Am | Am | ||
G | G | G | C | ||
G | Am | Am | D7 | ||
G | D7 | G | C | ||
G | D7 | G | G |