Sophia

Sophia is the Greek word for wisdom itself — personified in Byzantine mosaics as a serene, golden figure with one finger raised to her lips, and enshrined in Istanbul's Hagia Sophia, the great sixth-century domed cathedral-turned-mosque-turned-museum that for nearly a thousand years was the largest enclosed space in Europe. The name traveled through Orthodox churches, German royal courts (where it became Sophie), Italian operas, and French salons before landing, improbably, at the top of the American charts in 2011, where it held the number-one spot for three years running before yielding to Emma.

The Greek personification matters here — for centuries Sophia was treated almost as a goddess of philosophical wisdom in early Christian and Gnostic thought, and the name still carries a whiff of that gravitas. Famous bearers span an unusually long bench: Sophia Loren and her cinematic Italian glamour, Sophia Bush, Sophia from The Golden Girls, the British actress Sophia Myles, and the chess prodigy Sophia Polgar. Three rounded syllables, the ph softening everything like a held breath.

Pairs beautifully with both very classical middles (Sophia Rose, Sophia Grace, Sophia Margaret) and with shorter modern siblings (Sophia and Mia, Sophia and Leo). Nicknames range widely: Sophie for the Parisian-leaning, Sophy for the Edwardian, Soph for the casual, Pia for the Italian short. It carries a scholar's gravity without any chill, the kind of name suited to a girl who will ask the question no one else thought to ask, and then wait, patient, for the room to catch up. Stately, melodic, philosophically adult — and somehow still entirely contemporary, the way only ancient names can be.