Rosalie, of Latin origin, means 'rose'. It was derived from the Latin word 'rosa', which indeed signifies 'rose'. The name Rosalie has been popular among European royalty throughout history. For instance, it was the name of a daughter of King Henry II of France in the 16th century.
The name Rosalie was quite popular between 1918 and 1943, with peak years being 1937 (10 births) and 1938 (12 births). After a gap of 24 years, it resurfaced in 1957 with 5 births. Overall, there were 96 babies named Rosalie during this period.