A diminutive form of Ricka, Frederica, or Erica, from Germanic elements meaning 'brave' and 'ruler.'
Ricki is a feminized variant of Ricky, which is itself a diminutive of Richard — one of the great Germanic names carried into England by the Normans in 1066. Richard compounds the elements 'ric' (ruler, king, powerful) and 'hard' (strong, brave, hardy), producing a name that essentially means powerful ruler or strong king. It was the name of three English kings, most famously Richard I (the Lionheart), and remained one of the most common masculine names in England and America from the medieval period through the 20th century.
The diminutive Ricky entered common use in the mid-20th century, and the feminized Ricki followed as parents adapted the form for daughters. Ricki gained particular cultural visibility through Ricki Lake, the American actress and talk show host whose eponymous daytime show was a defining feature of 1990s American television culture. Her Ricki brought the spelling — with the characteristic feminine 'i' ending in place of the masculine 'y' — into wide public awareness and gave the name an association with directness, warmth, and accessibility.
Before that, Ricki had appeared as a variant in jazz and country music communities, where informal, nickname-style names for women were common. The name sits at an interesting cultural intersection: it carries the full etymological weight of Richard (powerful ruler) but wears it lightly, in the breezy register of a mid-century nickname. The '-i' ending places it alongside Nikki, Bobbi, and Terri in the tradition of feminine names adapted from masculine originals through spelling rather than sound, a practice particularly associated with American naming culture from the 1950s onward. For parents who want something familiar but not common, Ricki has a confident retro warmth.