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Origin: Irish

Meaning: Lord, master, descendant of a lord

Tierneigh is a girl's name of Irish origin. It's born from the Old Irish word tigerna, which evolved into the surname Ó Tíghearnaigh and eventually O'Tierney. It means "lord," "master," or "descendant of a lord." Hundreds of years later, Tierneigh still carries the bold and regal air of a leader. Your little star will have a way with words, captivating their audience with but a smile and a witty turn of phrase. If you prefer a more gender-neutral form, you'll adore Tiernan.