What does the Celtic owl tattoo mean?

Most often known as a symbol of protection, a Celtic owl tattoo acts as an intentional form of defense against the darker forces of the universe. Celtic culture specifically promotes the belief that owls protect spirits of the dead from more negative energies and entities. 

What tattoo should go with a Celtic cross?

Though Celtic crosses tend to give a nod to the Christian religion, Celtic cross tattoos are also often paired with Celtic knots, alluding to the idea that there is infinite life after death.