SOLVED. YA Fantasy/Adventure in our world, protagonist Caitriona/Catriona moves to Scotland/Ireland falls in love w farmhand Finn(?)+learns abt worldwide secret society/magic. title is "The [x] of [y]" referring to ancient relic? Read around 2012-2014

[Ella]

protagonist is an american teen who moves to some celtic nation to her late uncle's(?) estate/castle
iirc some of the formatting of the text included text messaging

thank you!!

[Ella]

SOLVED lol I figured it out it's The Daykeeper's Grimoire (Prophecy of Days #1) https://www.goodreads.com/book/show/7...

[Rainbowheart]

Glad you found it!

The Daykeeper's Grimoire for the trackable link.