1770+ Boy Names Ending in O

Silo is an uncommon masculine name with multiple potential origins. It may derive from Latin roots, possibly related to the word for a grain storage structure, or it could come from Germanic elements. The name also appears in ancient history as that of a king of Asturias in Spain during the 8th century. Silo has a distinctive, minimalist quality with its brief two syllables and open ending. The name's rarity makes it an intriguing choice for parents seeking something genuinely unique with historical echoes. Despite its brevity, Silo carries a certain strength and clarity. Its uncommon nature means most bearers of this name would likely be the only one in their community.

Kaido is a masculine name with Japanese origins, though it may also appear in other cultures. In Japanese, depending on the kanji characters used, it can have various meanings including 'ocean way,' 'way of the sea,' or 'open road.' The name possesses a strong, distinctive sound that travels well across cultural boundaries. While not common in global naming statistics, Kaido has gained some recognition through Japanese anime and manga characters. Parents might be drawn to this name for its exotic feel, simple pronunciation, and connection to Japanese culture. The name's association with paths and journeys can symbolize life's adventure, making it appealing for parents seeking a name with depth and distinctive character.

Romario is a masculine name with Brazilian sporting associations, having gained international recognition through the famous Brazilian footballer Romario de Souza Faria. The name likely originated as a variation of Roman, ultimately derived from Latin roots relating to Rome. With its melodic quality and strong 'o' sounds, Romario carries a rhythmic, vibrant feel characteristic of Portuguese and Brazilian naming styles. The name has spread beyond Brazil to other countries, particularly among football enthusiasts. Romario blends classical Roman connections with contemporary sporting prowess, offering a name with both historical depth and modern cultural relevance. Its distinctive sound makes it memorable while maintaining approachable pronunciation.

Théo is a French masculine name derived from the Greek name Theodoros, meaning "gift of God." This short, stylish form has gained significant popularity across Europe, particularly in France, Belgium, and Switzerland. The accent mark gives the name a distinctive continental flair while maintaining its accessibility. Théo offers a modern, sophisticated alternative to the English Theodore or Ted. The name has surged in popularity since the early 2000s, reflecting a trend toward shorter, international names with historical roots. Notable bearers include French footballers and artists. Théo conveys strength and warmth simultaneously, making it appealing to parents seeking a name that works well internationally.