Beloved or daughter
In Burmese (Chin) dialects, Dawt is a common element in names meaning beloved or dear. It is also a rare archaic English dialect variation of the word daughter, occasionally used as a term of endearment.
Less common today
Dawt isn't in the latest US Top 1000. It last peaked at #6,891 in 2016.
US births per 5-year period, 1990βpresent (SSA data).