Heidemarie is a female given name of German origin, derived from the elements 'heid' meaning 'bright', and 'mare' which refers to the sea. The 'ie' ending is a common feature in German female names. Historically, the name has been more prevalent in Germany and Austria, but it can be found in other Germanic-speaking countries as well.
"Between 1957 and 1972, the name Heidemarie saw fluctuating popularity, with a total of 100 babies named Heidemarie born over this period. The most popular years were 1958 and 1959 with 10 and 11 births respectively, while there was a gap in usage between 1967 and 1968."