Last Name Grimaldi

The surname Grimaldi is believed to have Italian origins, specifically from the Genoese family that ruled over the Republic of Genoa during the Middle Ages. The name derives from a castle located near Rapallo, in Liguria, Italy, called "Grimalda" or "Castello di Grimalda." The first historical record of the family dates back to 1096 when one of its members, Oberto I Grimaldi, was mentioned as a vassal of the Counts of Ventimiglia. Over time, various branches of the Grimaldi family established themselves in other regions of Italy, Monaco, and Corsica.

Learn more about the origin of the last name Grimaldi

The meaning and origin of the last name Grimaldi

The surname Grimaldi is of Italian origin, specifically from the region of Liguria, where it was originally borne by the powerful Genoese family of the same name. The name Grimaldi is derived from the medieval Latin term "grimaldus," which means "bold" or "brave ruler." The name's origins can be traced back to the 10th century when the first known member of the Grimaldi family, Oberto Grimaldi, served as a feudal lord in Liguria. Over time, the family expanded its territories and influence, becoming one of the most prominent noble families in Genoa and the Italian peninsula. The Grimaldis are particularly known for their rule over Monaco since 1297 when Francesco Grimaldi, also known as "Il Malizia" (The Cunning), seized the Rock of Monaco and established a dynasty that continues to reign today.

Geographical distribution of the last name Grimaldi

The surname Grimaldi is predominantly found in areas that were once under the jurisdiction of the historic Grimaldi family, who are most famously associated with Monaco. The Grimaldis have ruled Monaco since 1297, and the name is widely distributed among the population there. Additionally, significant populations of individuals bearing the surname can be found in Italy, particularly in the region of Liguria where the family originated before moving to Monaco. Smaller groups with the Grimaldi surname can also be found in France, Switzerland, and other European countries as a result of migration and historical ties. In North America, Grimaldis are present in various regions, especially in the United States, with notable concentrations in states like California, New York, and Florida, likely due to immigration from Italy.

Variants and spellings of the last name Grimaldi

The surname Grimaldi has various spelling variations due to factors such as regional dialects, transcription errors, and migration. Some common variants include Grimaldi, Grimaldus, Grimaldo, Grimaldi-Cavour, Grimaldi-Tucci, Grimaldi-Gonzaga, and Grimaldi-Lascaris. The name originates from Italy and is often associated with the Genoese noble family of the same name, who held significant power during the Middle Ages. This dynasty produced many influential figures, including several Doges of Genoa. Other branches of the Grimaldis can be found in Monaco, where the ruling dynasty takes their name from this Italian lineage. Despite these variations, all forms stem from the original Italian name, which translates to "sea lord" or "master of the sea."

Famous people with the last name Grimaldi

The Grimaldi family is known for its historical and contemporary prominence, particularly associated with Monaco. Among the most notable individuals with the surname Grimaldi are:

1. Rainier III (1923-2005), who reigned as Prince of Monaco from 1949 until his death. Under his rule, Monaco transformed from a poor Mediterranean principality into a modern financial haven and tourist destination.

2. Grace Kelly (1929-1982), an American actress who became Princess of Monaco after marrying Prince Rainier III in 1956. She was the first American to marry into European nobility and is remembered for her grace, elegance, and iconic Hollywood roles.

3. Albert II (b. 1958), the current Sovereign Prince of Monaco, who succeeded his father Rainier III in 2005. He is known for his commitment to environmental issues and has been a vocal advocate for renewable energy.

4. Stephanie de Monaco (b. 1965), the youngest child of Rainier III and Grace Kelly, has made a career as a model, television presenter, and author. She was the first member of the Grimaldi family to pose for Playboy magazine in 2005.

These figures have left indelible marks on Monaco's history and continue to be influential within the country and beyond.

Genealogical research on the last name Grimaldi

The Grimaldi family, originating from Genoa, Italy, is one of the oldest and most distinguished dynasties in Europe. Their lineage can be traced back to the 10th century. The Grimaldis gained prominence as maritime republics rose in importance along the Italian coast. In the 13th century, they established themselves in Monaco as vassals of the House of Savoy. Over time, the Grimaldis managed to seize power and became the ruling princes of Monaco, a position they have held ever since. Notably, the current ruling family of Monaco, the House of Grimaldi, is a branch of this ancient lineage. The Grimaldi name has also been associated with other noble families in Italy and France due to marriages and alliances over centuries.

Last name distribution maps

Sources & References

• INSEE statistics on the surname "Grimaldi"
• Global distribution of the surname on Forebears.io
• Wikipedia Article

About the author :

NomOrigine Team
Passionate about genealogy, name history, and linguistics, we have been analyzing the origins of names for over 3 years. Our content is based on verified historical, etymological, and statistical data.
Last updated : 27 July 2025

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