A variant spelling of Lillian, associated with the lily flower, from Latin 'lilium', symbolizing purity.
Lillyan is a variant spelling of Lillian, a name that blossomed in the English-speaking world during the Victorian era from the Latin "lilium" — the lily flower. The lily carried immense symbolic weight in Western culture: purity and resurrection in Christian iconography, the fleur-de-lis as a symbol of French royalty, and a general association with beauty, grace, and refinement that made it a fashionable name source as the Victorians increasingly turned to the natural world for naming inspiration. Lillian itself may also have developed partly as a pet form of Elizabeth, given the "Lil-" diminutive, though the flower etymology dominated popular consciousness.
Lillian was a major given name in the American late nineteenth and early twentieth centuries. Lillian Gish, the luminous silent film actress whose career spanned six decades, is perhaps its most iconic bearer — she gave the name a permanent association with a certain ethereal, determined quality. Lillian Hellman, the sharp-tongued playwright and memoirist, gave it an entirely different energy: intellectual, combative, politically engaged.
These two Lillians alone demonstrate the name's remarkable range. The Lillyan spelling, with its distinctive central Y, marks a personalizing flourish that became popular in the early-to-mid twentieth century, giving the bearer a name that was familiar but visually individual. After decades of dormancy, Lillian returned strongly to fashion in the 2000s and 2010s, riding the wave of vintage revival. The Lillyan spelling appeals to parents who want that vintage warmth with a slight distinction from the standard form — it reads as deliberately chosen rather than default, and the central Y gives it a visual elegance that the standard double-L spelling somewhat obscures.