I like it! It has a strong and regal feel to it, and has a lot of nickname options (Ellie, [name_f]Elsie[/name_f], [name_m]Shaye[/name_m], etc).
[name_f][/name_f][name_f]My[/name_f] immediate pronunciation is ella-shay-vah…is this how you’d pronounce it?