Theodorus is a name usually given to boys. The meaning of Theodorus is 'gift of God'. Theodorus is actually a variant form of the names Theo and Theodore, so it is not as common. According to US records, the name was recorded less than five times out of a recorded six million people! The name is uncommon but it is associated with common gems such as pearls and black diamonds. These are believed to be lucky gems for a person named Theodorus. Colors such as purple and black are also believed to be lucky colors for them. The few people who are named Theodorus are believed to be peaceful people. The name can also be used as an abbreviation to further describe what type of people they are. The T stands for thoughtful, the H stands for heart, the E stands for excite, the O stands for old-fashioned, the D stands for dignity, the R stands for realist, the U stands for understanding, and the S stands for sweetheart. This means that they are great people to have as friends because they are honest, true to themselves, and true to everyone else. They are also dignified people who are thoughtful and caring to everyone they meet.