Alyson,
Thank you so much, that's actually very helpful. I had difficultly locating them at all in the 1901 census until, on a hunch, I tried Symonds and not Simonds. Apparently, they had changed the spelling BEFORE leaving England. I was always told that they did it upon arrival in America, since Mary Olivia preferred the "old English" spelling. It's also interesting to note that the youngest child, William, was born in (presumably) Newborough around 1895, which puts the family in the Abbots Bromley area at least by that time. I think they changed the spelling to distance themselves from Edward, one of the "bad lot" Simondses, I've been told. I rarely heard his name mentioned, and my father (his grandson) called him "Eddie" the one time he spoke of him.
Here's the piece on Edward that I can add to the puzzle. He worked with an uncle or cousin at the Goat's Head at some point until the time that he abandoned the family to fight in the Boer War. That would put him out of the picture from 1899 to 1901, which makes sense since he doesn't appear in the census. He made it back to England from South Africa, but just barely, as he died accidently some time before 1903 when my grandfather John R (transcription error on the census, not John K) left for the States. I was always told that my grandfather had to identify his body, so he had to have died by 1903. Odd that there's absolutely no record of his military service or of his death. That part's still a mystery. But we're getting closer.