Please don't misunderstand me! I was not implying that you should NOT use vibrato, but rather pointing out that most traditional English Fiddlers, used little or no vibrato, so you should not feel guilty or inadequate if you don't.
I appreciate that many modern fiddle players have been more formally trained than historical fiddlers such as "Jinky" Wells or Charles Benfield or the various Baldwins, from Gloucestershire and the Welsh borders, and it is not surprising that they make more use of vibrato than the fiddlers of years gone by.