How to name people with the same surname Liu?

Is it a boy or a girl?

○Liu Tongyan

Yan: Outstanding talent and virtue

○Liu Tongyu

游: Mighty

○Liu Tongxuan< /p>

Xuan: bright; warm

○Liu Tongyue

Yue: shade. Yu Zun takes care of the younger generation or the ancestor protects the descendants

○Liu Tongshu

Shu: beauty

○Liu Tongsheng

Sheng: brightness; prosperity

p>