Green’s Dictionary of Slang

(Irish) cute, charming; thus also as n., dote, a cute person or thing.

1906		Times Mag. 439/1: Now — whisper — because you're such a dotey you’ll have a kiss.
1925		S. O’Casey Juno and the Paycock Act II: When me own man [...] an’ me was sittin’ shy together in a doty little nook on a counthry road.
1953		S. Desmond Irish Moon 13: Ii he only knew that we were there together with his dotey little wife.
1960		E. O’Brien Country Girls (1978) 14: ‘Ask me nicely, Hickey, and call me dotey.’ ‘Dotey. Ducky. Darling. Honeybunch’ .
1995		Sun. Trib. (Dublin) 17 Dec. n.p.: I ended up with a dotey pair of sling-backs in metallic leather [BS].
2001		G. Coughlan Everyday Eng. and Sl. 🌐 Dote (n): a lovely little thing, usually a baby or a nice person.
2021		L. McInerney Rules of Revelation 85: ‘He’s a credit to you, little Diarmaid, he’s a dotey boy’.