The 21-year-old took three for 31 from eight overs to assist limit the West Indies to a modest whole of 169 for 9.
This purpose turned out to be a bit extra difficult than initially thought. The guests had been properly positioned at 164 for 5 in Antigua.
Maddy Inexperienced anchored a chase of 48 off 78 balls on a gradual floor. However her departure triggered a dramatic collapse.
Brooke Halliday (24), Lea Tahuhu (0) and Isabella Gaze (1) had been all dismissed in fast succession.
Otago all-rounder Hayley Jensen (5 not out) rounded off the victory with a boundary.
Inexperienced was named man of the match however Carson had a formidable debut.
Amongst her three victims was the important thing wicket of West Indies captain Hayley Matthews for 46. The robust all-rounder was trapped lbw after she retreated deep into her crease and tried to work the ball down the leg facet.
Carson had a breakout season for Otago final summer season. She was the main wicket-taker in each Hallyburton Johnstone Defend the Tremendous Smash tournaments and was rewarded with a nationwide contract.
New Zealand lead the ODI sequence 2-0 after profitable the opening match by 5 runs underneath the Duckworth-Lewis scoring system when play was halted by dangerous mild.
The final match of the sequence is on Sunday, however each groups will play in a five-match T20 sequence.