Don’t worry, this isn't about "creative" spellings like Emylee or Jesyka. 
I am wondering about names that have more than one established spelling (Marc/Mark; Katherine/Catherine/Katharine; Ann/Anne; Susanna/Susannah; Alistair/Alasdair), and more specifically about names where one spelling is less common than the other (Martin/Martyn; Rebecca/Rebekah; Eleanor/Elinor; Philip/Phillip) or is not the usual English spelling of the name (Elizabeth/Elisabeth; Leah/Lea).
If you or your child has a name with a less familiar spelling, do you find it annoying to have to spell it out or correct people all the time? My surname is not spelt the way most people assume it should be, and to be honest I do find it irritating. And I once knew a Rachael who hated constantly having to say "Rachael with a second A".
I am considering a less familiar spelling of a name (for compelling reasons), but I'm not sure I want to set my child up for a lifetime of correcting people. On the other hand, there are plenty of names with several established spellings - surely nobody rules them out purely because they are worried about their daughter having to say "Isobel with an O". Am I overthinking this?