Dictionary.net

• lil-i-bu-l[=e]'r[=o], n. the famous ballad in mockery of the Irish Catholics, which 'sung James II. out of three kingdoms.'--Also LILLIBURL[=E]'RO. [From the refrain.]

1908 - Chambers's Twentieth Century Dictionary of the English Language
By Thomas Davidson

• A song popular during and after the reign of James II.-Webster.

1895 - Glossary of terms and phrases
By Henry Percy Smith