Marketa is of Czech origin and means "dedicated to Mars". It's a feminine given name that has been popular in Central Europe, particularly in the Czech Republic. The name Marketa is composed of two elements: 'Mark-' from the Roman god Mars, and '-eta' which is a suffix used to form female names. It is often considered a more traditional and formal name compared to its diminutive forms like Marek or Mára.
The name Marketa experienced fluctuating popularity over the years, with peaks in the late 1970s and early 1980s, and a significant drop after the mid-1990s.