Modern combination of the prefix Key and the name Marion
Keymarion is a contemporary American invention, likely created by blending the phonetic prefix 'Key-' with the established name Marion. While Marion has roots as a French diminutive of Marie, this specific compound form is a modern rhythmic creation without a singular ancient etymology.
Less common today
Keymarion isn't in the latest US Top 1000. It last peaked at #7,479 in 2012.
US births per 5-year period, 1990–present (SSA data).
