My niece is Kelsey but I like Kelsea better, but then I love those names that end in ea but are pronounced ee like Ashlea or Chelsea. You can also do this with Lea but you would be correcting people who are pronouncing it like Leah.
Kelsea Ballerini is an American country pop singer and songwriter. She began songwriting as a child and signed a contract with Black River Entertainment in 2014, releasing her debut studio album the following year, The First Time. Her second studio album, Unapologetically, followed in 2017.