The name Macey is believed to have originated from the ancient Celtic language, which was spoken in parts of Europe and the British Isles during the Iron Age and medieval periods. It is thought to be a variant of the name Macy, which is derived from the Old French name "Mahault" or "Mahaul," meaning "strength" or "power."

One of the earliest recorded instances of the name Macey can be found in the Domesday Book, a comprehensive record of landowners and their properties in England, compiled in 1086 under the orders of William the Conqueror. The name appears in various spellings, such as "Maci" and "Macy," suggesting its long-standing presence in the region.

Throughout the Middle Ages, the name Macey was predominantly found in England and Scotland, where it was associated with individuals from various social strata, from peasants to nobility. One notable bearer of the name was Macey Reynald, a wealthy landowner who lived in Northumberland, England, during the late 13th century.

As the name spread across Europe, it was adopted by various cultures and underwent slight variations in spelling and pronunciation. In France, for instance, the name was sometimes rendered as "Macée" or "Macé," while in Germany, it took the form of "Matzke" or "Matzchen."

During the Renaissance period, several individuals bearing the name Macey achieved recognition in various fields. One such figure was Macey Renouard, a French scholar and philosopher who lived in the 16th century and wrote extensively on topics ranging from theology to natural philosophy.

In the 17th century, Macey Cradock, an English clergyman and author, gained fame for his influential works on religious and moral subjects. Similarly, Macey Bourdillon, a French painter active in the late 18th century, became renowned for his portraits and landscape paintings.

As the centuries passed, the name Macey continued to be used across different parts of the world, with notable bearers emerging in various fields, such as politics, literature, and the arts. One such individual was Macey Taylor, an American politician and lawyer who served as a United States Representative from Virginia in the late 19th century.