I will answer two similar queries that SASSY21 posted in reference to her grandmother or grandfather in March 2009.
"Music hall artistes"
(where the following names were mentioned: Margaret Collins nee McLuskey, Vincent Collins, Herbert Poole)
"Herbert Poole music hall artiste"
(where the following names were mentioned: Herbert Poole, [grandmother’s] stage name was Lena Russel)
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While I am no expert of British theatre, variety or music hall, I have done some US research for theatre, silent film, and vaudeville performers. So I can suggest a few places where you can look.
First, I would suggest joining several theatrical mailing lists or message boards. For example, here are two I am currently on or have been in the past months.
http://lists.rootsweb.ancestry.com/index/other/Occupations/THEATRE-UK.htmlA Browse shows the activity on this mailing list dropped from 200+ entries per month in 2001 to less than 20 in 2010, suggesting there might not be many list members subscribed. But “Mel” seems knowledgeable with British theatre resources (especially the newspapers) and can usually direct you to where to look; she has helped me.
http://lists.rootsweb.ancestry.com/index/other/Occupations/THEATRICAL-ANCESTORS.htmlA Browse of the Archives shows that this mailing list has dropped from 228 postings in Aug 2000, 102 in Sept 2000, and fewer than 10 in 2010 and 2009, suggesting there might not be many list members subscribed. (I’ve also been on this list too.)
Poke around on Rootweb.com for other Mailing Lists and Message Boards, and you might find more under different performing occupations (theatre, vaudeville or variety, circus, music hall, …..). Ancestry may have its own set, and specialized occupation websites may have their own forums too. (Join for a few months, and if nothing happens, drop off.)
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There were several theatrical magazines or newspapers in the UK I think ("The Echo" is just one that comes to mind tonight that I recently heard about, but there must have been several others) where performers or their acts were reviewed or mentioned, or may have swapped gossip (whose performing where this week). (There similarly were some in the US - Variety is the most familiar one, but The New York Clipper which preceded it was even older.)
Of course, local newspapers would have covered the programs of this performance troupe - but I'll leave you to find someone more knowledgeable in what is on-line and what is not among the local newspapers. (If UK libraries are anything like US or Canadian libraries, they probably have microfilmed archives of the local or metro newspapers or may have subscribed to databases for their patrons that are accessible with a library card.)
You mentioned individual names (Herbert Poole, Vincent Collins, Margaret Collins nee McLuskey who performed as Lena Russel). Do you know if they were "cast members" of the traveling troupe of players (and thus may not have had individual "billing"), or could they at one time have performed as a "name act" (such as "Poole and Russel" or "Collins and Russel") like many variety artistes did?
And last .... have you "Googled" (or rather used a search engine) on all the names you mention (and spelling alternatives like "Russell" or "Pool")? I say this because one never knows what new websites appear monthly or what memorabilia is being auctioned on eBay that might be related to your performers.
(I thought I'd found everything for my grandmother's first cousin, a Broadway actress and silent film actress, several years ago. But her name popped up on an Australian theatre site (H.A.T.) where I had not expected to find her, and led to new stage credits in Australian newspapers (with the help of a librarian in Melbourne). Then last Christmas I searched again, and after sorting through all the links I'd seen before, uncovered her on several new ones, including the NLA (National Library of Australia) which is digitizing all their newspaper collections , a similar newspaper site for New Zealand.
I hope that this rather wordy reply is helpful, 11 months after your original posting, and that you are still a registered user and will see it.
Cheers from a blustery, soon to be snowy, Chicago.