Meredith and Samara Ritchie of Dix Hills, New York, got matching mother-daughter tattoos last year. The duo’s meaningful tattoos are also unique — they both have a pie inked onto their ribcage.

Robert Renes, 89, and Kazuko Renes’, 86, tattoos mean family in Japanese. Japan holds much significance for the two: it’s Kazuko Renes birthplace, the place they met and much of their family ...