How long is TOO long??

I have fallen in love with the name [name]Gracelyn[/name], nn [name]Gracie[/name]. I have decided to change it to Graycelyn for her daddy. BUT in doing that the name now has 9 letters and so does our last name. So without her having a middle name that is already 18 letters long! Is it still alright? If I did go with this name she would still need a middle name which I would keep under 5 letters. (ex. [name]Joy[/name], [name]Hope[/name], [name]Rose[/name]…)
I would love it if y’all gave your opinions. Thank y’all so much!

I would maybe just have it [name]Grace[/name] [name]Lynn[/name] or Gra(y)ce-[name]Lynn[/name]. When it is spelled [name]Gracelyn[/name], it makes me want to say it [name]Gray[/name]-cel-n like [name]Jocelyn[/name]. I keep thinking of [name]Elvis[/name] while writing this…