Son of Maud; gift of God
Madisun is a modern creative spelling of Madison. It originated as an English surname meaning 'son of Maud,' with Maud being a diminutive of Matilda. Some interpretations also link it to the name Matthew, meaning 'gift of God.'
Less common today
Madisun isn't in the latest US Top 1000. It last peaked at #6,042 in 2001.
US births per 5-year period, 1990βpresent (SSA data).