Karla has 91,241 SSA records and peaked in 1964. A German name with a long American history, sitting at rank 730. It's past its mid-century peak but maintains steady use, particularly in Hispanic-American communities where the K-spelling version of a Spanish-influenced name carries specific appeal.
From Karl to Karla: The Germanic Line
Karla is the feminine form of Karl, from Old High German Karl, meaning "free man," the same root as Charles, Carlos, and Charley. The K-spelling distinguishes it from Carla, which has the same pronunciation but reads as more Italian or generic. Karla with a K signals either German heritage or a K-spelling preference common in Spanish-speaking naming traditions, where the hard consonant is often emphasized visually.
Karla vs. Carla
Carla with a C peaked earlier and reads as more thoroughly mid-century. Karla with a K peaked in 1964 but retains a slightly fresher visual quality; the K gives it a visual energy that the softer C doesn't. In Spanish-language communities in particular, the K-spelling has remained productive and carries a specific cultural signal. Compared directly, both are beautiful; the difference is where you want the name to sit culturally.
The Famous-Bearer Complication
Karla Homolka (the Canadian serial killer) created a significant negative association in the 1990s that has faded but hasn't disappeared entirely. In American contexts, the name is mostly free of that shadow; it's more of a Canadian cultural marker. But parents researching the name will encounter it, and it's worth knowing the association exists. Most girls named Karla today will never be asked about it. Some will. Families can decide how much weight to give that consideration relative to a name they otherwise love.