Whitni is of American origin, derived from the Welsh 'Sion' meaning 'gracious'. It gained prominence during the mid-20th century, likely influenced by its similarity to other popular names like Whitney and Kristen. Whitni is often associated with a contemporary and distinctive sound, reflecting its modern usage.
The name Whitni peaked in popularity between 1986 and 1987 with 37 births each year, but has since declined significantly, with only 5 births recorded in both 1977 and 2002. The total number of births with the name Whitni over this period is 333.