Actually no, while it is predominantly a male name, it is also a woman name.
Some examples of women named Claude: https://en.wikipedia.org/wiki/Claude_Pompidou
https://en.wikipedia.org/wiki/Claude_Bessy_(dancer)
As the sibling says, Claude was named after Claude Shannon, but TIL, thanks!
But in this case, Claude is named after Claude Shannon.
https://en.wikipedia.org/wiki/Claude_Shannon