Oarsman or remedy
As a variant of Remy, it likely derives from the Latin 'Remigius' meaning oarsman. It is also frequently used as a diminutive for Remington, an English surname meaning 'settlement on the riverbank', or as a playful reference to the word remedy.
Less common today
Remmy isn't in the latest US Top 1000. It last peaked at #2,223 in 2016.
Tanzanian singer and guitarist
A character in the animated series 'The Fairly OddParents' Β· The Fairly OddParents
US births per 5-year period, 1990βpresent (SSA data).