Sir Vicar Ul Y

It appears that "Sir Vicar Ul Y" may be a misspelling or misinterpretation of a name or term. If you meant "Vicar of Ulster" or a similar phrase, please clarify. If it's a specific title or name, providing more context will help me give an accurate explanation. Without additional information, I cannot accurately define "Sir Vicar Ul Y." Could you please provide more details or check the spelling?