Can the Japanese name たちばなはや be directly used as a name? I mean, はや is a falcon,

たちばなはや

When writing Chinese characters, you should pronounce たちばなじゅん (not pear).

Hayabusa: [Chinese name] is pronounced ジュン or シュン [Training reading ]はやぶさのハヤブブ. "Eagle (よぅしゅん)" [name のりとし]? はや? はやし

Hayato (はやと)? Hayato (はやひと)? Hayato (はぃと) comes from デジタル Daci Spring.