American Tract Society Bible Dictionary
An insurgent, Jew, mentioned by Gamaliel, A. D. 33, as of the preceding generation, Acts 5:36-37 , and therefore not to be confounded with a Theudas of A. D. 44, mentioned by Josephus. The period following the death of Herod the Great was full of revolts. Theudas was also a common name, answering to the Hebrew Matthew, under which name Josephus speaks of an unsuccessful reformer who was burnt in the latter part of Herod's reign.
These files are public domain and are a derivative of the topics are from American Tract Society Bible Dictionary published in 1859.
Rand, W. W. Entry for 'Theudas'. American Tract Society Bible Dictionary. https://www.studylight.org/dictionaries/eng/ats/t/theudas.html. 1859.