There are 47 names matching your criteria.
XERXES m History
Greek form of the Persian name Khshayarsha
which meant "ruler over heroes"... [more]
XIANG m & f Chinese
From Chinese 翔
"to soar", 祥
"auspicious, lucky" or 香
"fragrant" (which is usually only feminine)... [more]
XIU f Chinese
Means "beautiful, elegant" in Chinese.
XUE f & m Chinese
From Chinese 雪
"snow" or 学
XYLIA f ?
Modern creation, perhaps based on Greek ξυλον (xylon)
meaning "of the forest".