Monarch or ruler
A modern phonetic variant of the English word 'King', denoting a male monarch or supreme ruler. It is part of a contemporary trend of using titles of nobility as given names, often with creative spelling to add a unique visual flair.
Less common today
Kiing isn't in the latest US Top 1000. It last peaked at #5,305 in 2018.
US births per 5-year period, 1990βpresent (SSA data).