Meaning and Name Origin
Theodore \the(o)-do-re\ as a boys' name is pronounced THEE-a-dor. It is of Greek origin, and the meaning of Theodore is "God's gift". From Theodorus. Early Christian name and saint's name. President Theodore Roosevelt made the name popular, and the teddy bear is named for him. Authors Theodore Dreiser, Theodore Sturgeon; painter Théodore Rousseau.
Theodore is a very prominent first name for males (#148 out of 1220, Top 12%) and also a very prominent last name for all people (#9078 out of 88799, Top 10%). (2000 U.S. Census)
Shown below is the birth name popularity of Theodore for boys. Theodore reached its top position of #42 in the U.S. during 1900-1909, and is presently at #126. (2014 Birth Statistics)
Below is a graphed analysis of the popularity of the boy name Theodore and associated names. Ted, Teddy, Teodoro, Theo (#509 a year ago) and Theodor are the popular related forms of Theodore (#126 a year ago) appearing in the Top 1000. Usage of these boy names reached its peak during 1930-1939 and is now significantly less, with the versions Ted, Teddy and Teodoro becoming less stylish. Theo (#509) is the most trendy name for newborns among these, with this name going through a revival in popularity. (2014 Birth Statistics)