Rosann is a feminine given name derived from the Latin name Rosa, meaning "rose" or "rose flower." The name has its origins in the ancient Roman culture, where roses were revered for their beauty and associated with the goddess Venus.

The earliest recorded use of the name Rosann can be traced back to the Middle Ages in Europe. It was a popular name among the nobility and upper classes, often given to daughters as a symbol of beauty, purity, and grace. In medieval Christian tradition, the rose was also a symbol of the Virgin Mary, which may have contributed to the name's widespread usage.

One of the earliest known historical figures with the name Rosann was Rosann of Villeneuve (1263-1329), a French noblewoman and mystic. She was renowned for her piety and charitable works, and her life was documented in several hagiographies of the time.

Another notable figure was Rosann de Campendu (1380-1455), a French courtier and confidante of Joan of Arc. She played a crucial role in supporting Joan's military campaigns during the Hundred Years' War and was present at many of the significant events surrounding the Maid of Orleans.

In the Renaissance period, Rosann Pisano (1495-1567) was an Italian mathematician and scholar. She is renowned for her contributions to the study of arithmetic and algebra, as well as for her efforts in promoting education for women.

During the 17th century, Rosann van Arsdel (1629-1705) was a Dutch painter known for her still-life compositions featuring flowers and fruit. Her works were highly sought after by the wealthy patrons of the Dutch Golden Age.

In more recent history, Rosann Bazler (1889-1977) was an American author and journalist. She gained recognition for her novels and short stories depicting life in rural America, many of which were adapted for radio and film.

These are just a few examples of notable individuals throughout history who bore the name Rosann. The name has endured as a popular choice for centuries, reflecting its association with beauty, nature, and feminine grace.