Lily peaked on the SSA chart in 2011 at #15. The name has descended slowly since — currently #24 — but the descent itself reveals something useful about how botanical names age. Lily was one of the earliest revivals in the contemporary flower-name wave, climbing through the late 1990s before Violet, Hazel, and Iris began their own ascents.
The flower and the symbol
Lily comes directly from the Latin lilium, the flower, by way of Old English. The botanical association is the dominant origin, but the name also carries inherited symbolism from Christian tradition, where the lily is associated with the Virgin Mary and with purity. Medieval and Renaissance religious art is saturated with lilies — the flower appears in Annunciation paintings, in Marian iconography, and in heraldic devices including the French fleur-de-lis.
Lily was used as a given name in 19th-century English-speaking countries, peaking modestly in the 1880s and 1890s before fading. The 20th-century low point came mid-century: by 1960 Lily had dropped out of the top 500. The revival began in the 1990s, accelerating through the 2000s, and the name's first SSA peak of #15 came in 2011.
The pop-culture multiplier
Lily's climb coincided with a remarkable density of fictional Lilys in mainstream culture. Lily Potter — Harry's mother — appeared throughout the Harry Potter series (1997-2007). How I Met Your Mother (2005-2014) featured Lily Aldrin as one of its core characters. The Princess Diaries (2001) had Lily Moscovitz. Modern Family (2009-2020) had Lily as Mitchell and Cam's adopted daughter. Each of these characters added incremental visibility, and the cumulative effect was a name that felt simultaneously fresh and familiar to American parents through the 2000s and 2010s.
None of these fictional uses alone explains Lily's chart position, but together they normalized the name across multiple demographic segments — fantasy readers, sitcom viewers, romantic-comedy audiences, family-show audiences. By the time Lily peaked in 2011, it was the kind of name that felt established to almost any American parent, regardless of media diet.
Lillian and the formal-name conversation
Lily and Lillian coexist on the SSA chart with an unusual relationship. Lillian (#54) is the longer, more formal version with its own historical peak in 1920 — a textbook Edwardian-revival name. Some parents pick Lillian on the birth certificate and use Lily as the casual nickname; others pick Lily directly. The spread between the two ranks suggests parents who want the casual register are increasingly picking Lily standalone rather than detouring through Lillian.
The counter-reading worth noting: Lily's slow descent from #15 to #24 represents normalization rather than fade. The name is past peak saturation, which means a 2025 baby Lily will share the name with fewer classmates than a 2011 baby did, while still benefiting from the name's deep cultural readability. Slow descents from former top-15 positions are often the most durable phase of a name's life — the period when it transitions from trend to default.
Sibling pairings on naming forums consistently feature other flower and short classics: Lily and Rose, Lily and Violet, Lily and Hazel. Boys' pairings: Jack, James, Henry, Oliver. Middle-name patterns are typically short: Lily Rose, Lily Mae, Lily Grace, Lily Anne.