LEE-lya. I think
Lilya or
Liliya would be more likely to be pronounced with a LEE- sound, as English speakers would go "wow! Foreign!" But I don't like transcribing Я as ya.
masculine list:
https://www.behindthename.com/pnl/191050/124079feminine list:
https://www.behindthename.com/pnl/191050/124080