The Celtic knot — a pattern of interlocking lines — is centuries old, carved into ancient stones all over Ireland. But that tattoo on your biceps? Like the fortune cookie, American born and bred.

The thousand-year-old image of the Celtic Knot, characterized by thick interlocking lines that looks like rope, has quickly become the most common tattoo for wide-eyed Irish-Americans. NPR’s Ari ...

Celtic knots, circles, and nature are frequently at the forefront of Celtic tattoos. Over the past few years, Celtic tattoos have gained popularity for their intricate designs and powerful symbolism.