https://www.rockthevote.org/how-to-vote/same-day-voter-registration/
map from: https://www.axios.com/2024/10/31/voter-registration-election-day-2024
Another note that New York is currently even weirder having only allowed same day voter registration on a single day of early voting rather than the entire period unlike North Carolina
Voter rolls should really be included to other state databases defining residency.