Modern phonetic spelling of the initials C.J.
Cjay is a contemporary American invention, created by phonetically spelling out the letters C and J. It typically functions as a standalone version of a nickname originally derived from hyphenated or double first names starting with these letters.
Less common today
Cjay isn't in the latest US Top 1000. It last peaked at #8,474 in 2014.
US births per 5-year period, 1990βpresent (SSA data).