Both my parents were born Ukraine and came here with their
families I believe in the fifties. However my entire family
(unfortunately unlike myself) are fluent in Ukrainian and still
speak it almost on a daily basis. Anyway my point is that
people are telling you the mispronunciation of your last name. It is Hlah-doon. Accent is on the second syllable and
the H is NOT silent!!!!!!!!! It may not be easy for some but
you say the H and L together quickly.
It is such a rare name I would hate for you not to be using
it correctly.
Ericka In Chicago