This is the Titheradge family crest that was sent to us many years ago by several different family members. It had been obtained from a company researching your coats of arms and providing information on the origin of your surname. A service for which they charged a fee.
We cannot vouch for the authenticity of this coat of arms, but our record show the first use of the name Titheradge (as opposed to Titheridge or Tytheridge) was about 1772 by a poor family in Portsea, so it seems unlikely that they would have had a coat of arms. We remain sceptical as to the accuracy of this.
We are yet to see a coat of Arms from any other spelling of the name and do not know if is the same.