Beloved friend or little black bird
Dayvin is a modern American invention, likely created as a phonetic blend of David and Devin. It may draw meaning from the Hebrew 'beloved' or the Gaelic 'dubh' meaning black or dark. Its usage is rare, appealing to parents seeking a familiar sound with a unique spelling.
Less common today
Dayvin isn't in the latest US Top 1000. It last peaked at #6,895 in 2013.
US births per 5-year period, 1990βpresent (SSA data).