I saw your poll and wanted very much to vote positively. But I can't approve of the spelling.
Christabel is how the name originated and is the title of a famous poem. Any other spelling looks wrong to my eyes. Also,
Christabel Pankhurst is a hero of mine, so it's personal for me.
I think the difference in age between the average voter in the polls versus the average commenter in these threads will account for a different reaction to the name. Most of the voters in the polls are very young and haven't heard of
Christabelle (sic) before.