Names.. I don't know if this sounds right!

My partner and I have always had our little ones first name picked, however his family holds tradition with family middle names (in this case his grandmother Elsie). I want to incorporate my mums name (Alison) in her name too however as she means so much to me and this is her first and only grandchild but am unsure with how it all flows. Reading it it just seems really 'little girl'. Honest thoughts please? It's so difficult because I'm not sure how she would enjoy her name growing into an adult etc
Lily Elsie-Allie/Ally.