Variant of Ottilia, from Germanic 'od' meaning wealth and prosperity.
Otilia flows from the Germanic element *uodal* (also rendered *odal*), meaning "homeland," "inherited estate," or "ancestral fortune" — a concept so important to the ancient Germanic peoples that it became a runic symbol (*Othala*) representing heritage, home, and continuity of bloodline. The name connects to Oda, Ottilia, and Odilia, all members of the same deep-rooted family, and carries with it the weight of something meant to be kept and passed on. The name's most important cultural bearer is Saint Odilia of Alsace (c.
660–720), the patron saint of the Alsace region of France and the protectress of those with eye ailments. Born blind to a Frankish nobleman, she reportedly gained her sight at her baptism — a miraculous narrative that gave her patronage over vision and sight. She founded the Hohenburg Abbey on a mountaintop in the Vosges, which became a major pilgrimage site.
Her feast day on December 13th is still celebrated in Alsace with particular devotion, and her name has been beloved in Central Europe — Germany, Austria, Hungary, Romania — ever since. Otilia, the Latinate and Romance-language variant, has been especially favored in Romania and Hungary, where it has the feel of an aristocratic inheritance — elegant without being cold, traditional without being stiff. In contemporary naming, it occupies a lovely niche: rare enough in English-speaking contexts to feel genuinely distinctive, yet established enough in European naming culture to carry real historical dignity. The diminutive Tilly makes it surprisingly wearable across all ages.