Help How do you spell the name יאיר

[מומחה בהכל]

Do you know an English speaker whose name is yair
How do you spell it in English (because some say to write yair and some say to write ya'ir with an apostrophe)
thanks​

 

[אם הבנים שמחה!]

I usually see it without an apostrophe. Just Yair.

 

[bayit]

Just Yair