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In the world, Sirirach (Sirirach , สิริราชย์ , ศิริรัชฎ์ ) is a very rare principally boy's, but scarcely female first name. The first name Sirirach is characteristic of South-eastern Asia, particularly Thailand, where it is a rare principally masculine, but very infrequently female name. Very seldom, Sirirach is the last name as well as the forename.