Need a middle name....

Pauline • 1st baby Jan 23rd 2016... 2nd baby Aug 26th 2017... Last but not least ... 3rd baby due Oct.31st 2019 🎃 👶🏼 lol
We are having a girl and I'm stuck on the name Isla (sounds like i-la.) with my Scottish background, I would like to have it some where in her name. Preferably her first name. We need a middle name...
Isla ______ or ______ Isla... 
Any suggestions would be appreciate 😀 
Thank you!!