Is this an earlier woman named
Chelsea, born in 1782 in Connecticut?
https://www.findagrave.com/memorial/80416341/chelsea-huxford
The birth register records her name as Chalsa but she named her daughter
Chelsea in 1807. She's also from Tolland Connecticut, like the male
Chelsea Colton born in 1798. What are the chances?
The battle of
Chelsea Creek in 1775 might have inspired these namesakes.