Gracious
Sione is the Tongan and Samoan form of the name John. It shares the same etymological roots as the English name, ultimately derived from the Hebrew name Yochanan.
Less common today
Sione isn't in the latest US Top 1000. It last peaked at #2,212 in 2000.
New Zealand rugby union player
NFL safety for the Detroit Lions
Professional rugby league footballer
NFL linebacker for the Cleveland Browns
US births per 5-year period, 1990βpresent (SSA data).