[1] Arms for Udny of the Ilk have been recorded on three occasions in the Lyon Register;[2] 1672–7, 1748–51 and 1789.

The name has been spelled sometimes as Widney and Uldney.

[3] Scottish folk singer Jock Duncan said about the pronunciation of Udny, when commenting on his song about the Aberdeenshire town of Udny on his CD Ye Shine Whar Ye Stan!

: "I’ve heard many versions o it – an tunes an aa, fen I wis young.

Never naebody heard o Udny: 'It’s Widney boy – are ye gaun doun tae Widney the nicht?’"[4]