Meaning and Name Origin
Theobald \the(o)-ba-ld\ as a boys' name is of Old German origin, and the meaning of Theobald is "brave people". Literary: the variant Tybalt is the name of an important character in Shakespeare's "Romeo and Juliet".
Theobald is an uncommon given name for men but a very popular last name for all people (#8235 out of 88799, Top 9%). (2000 U.S. Census)
Shown below is an analysis of the usage of the boy name Theobald and related names. Theo (#509 in 2014), Teddy and Ted are the popular variation forms of Theobald (#unlisted). These boy names were at the apex of their popularity during the years 1930-1939 and are now significantly less widespread, with the forms Teddy and Ted becoming less in vogue. Theo (#509) is the most fashionable birth name here, with this name going through a rekindling in popularity. (Top 1000 Baby Names Statistics, 2014)