The language game we are playing is called "name a female computer scientist more influential than Ada Lovelace."
Near as I can check history, the manufacture of poster girls for science first happens at the start of the twentieth century, but the manufacture of poster girls for computer programming did not happen until much later. Thus history that makes Ada the second computer programmer can be believed, to the extent that it quotes pre twentieth century sources.
Whenever history involves mascots, it should be viewed with suspicion. If people make an undue fuss about a dancing bear, that is evidence that bears cannot dance, rather than evidence that bears can dan...
Today is Ada Lovelace Day, when STEM enthusiasts highlight the work of modern and historical women scientists, engineers, and mathematicians. If you run a blog, you may want to participate by posting about a woman in a STEM field whom you admire. But I'd love to have people share women scientists/mathematicians/authors in the comments that they think we could all stand to read more about.