Modern coinage, likely a variant of Darren or Darian
Dayrin is a contemporary American name with no singular ancient root. It is most frequently used as a phonetic variation of names like Darian or Darren, or as a creative blend of sounds popular in English and Spanish-speaking communities. Its usage is rare, giving it a distinct and individualistic feel for parents seeking something unique.
Less common today
Dayrin isn't in the latest US Top 1000. It last peaked at #4,814 in 2004.
US births per 5-year period, 1990βpresent (SSA data).