The Wikipedia category for Women mathematicians [1] has 125 pages, many of which are to women who were not professional mathematicians.
If in response to the challenge "name at least one woman amazing at math" you don't think of Emmy Noether, then you are not all that interested in maths.
I've studied math. The most recent mathematician I can recall by name (due to a few important theorems) has been doing his great work in the 1930s. Most of the stuff is older. I don't care squat about the gender, but they're likely all male.
Looking at gender ratios in students it's about 50-50 now (ETH Zürich, Switzerland), massively thinning out towards the top (professors are just a few out of 50). It'll take time and untill female mathematicians have an about equal importance in the curriculum students learn, likely a few hundres years. Maths really ages slowly (often because theories get update/extended, but the name sticks).
So being able to name female mathematicians imo doesn't have much relevance to the gender discussion. Luckily society changes faster than math ages ;-)
The Wikipedia category for Women mathematicians [1] has 125 pages, many of which are to women who were not professional mathematicians.
If in response to the challenge "name at least one woman amazing at math" you don't think of Emmy Noether, then you are not all that interested in maths.
[1]: http://en.wikipedia.org/wiki/Category:Women_mathematicians