The name Isabell has its origins in the Hebrew language, deriving from the biblical name "Elisheva," which means "God is my oath." It emerged during the Middle Ages in various European countries and underwent different spellings, including Isabel, Isabelle, and Isobel.

The earliest recorded instances of the name can be traced back to the 12th century, when it gained popularity among European nobility. One notable figure was Isabella of Angoulême (1186-1246), the Queen consort of England as the wife of King John.

In the 13th century, Isabella of France (1292-1358), also known as the She-Wolf of France, was a prominent figure in European history. She played a crucial role in the deposition of her husband, King Edward II of England, and the subsequent accession of their son, Edward III, to the throne.

During the Renaissance period, Isabella d'Este (1474-1539), a prominent Renaissance woman and patron of the arts, was renowned for her cultivation of a brilliant court in Mantua, Italy.

In the 16th century, Isabella of Portugal (1503-1539) was a notable figure as the Queen consort of Spain, married to the Holy Roman Emperor Charles V.

Another famous bearer of the name was Isabella I of Castile (1451-1504), known as Isabella the Catholic, who played a pivotal role in the Spanish Reconquista and the unification of Spain. She also financed the voyages of Christopher Columbus, leading to the discovery of the Americas.

Over the centuries, the name Isabell has maintained its popularity and has been borne by numerous notable individuals across various fields, including literature, arts, and politics, solidifying its place in the annals of history.