Fitzgerald also did things like stand on the upper wing of a biplane as it did a loop-de-loop. He had 18 occupations in 26 years, most of which were dangerous. These included high diver, Texas Ranger, motorcycle racer, and vaudeville strongman.
12 of the first 28 Presidents of the USA (which is the time Fitzgerald was doing his thing) had Irish heritage. 3 of them were first generation Irish (parents born in Ireland). Most of the police force of NYC was stereotyped as being all Irish by this point.
Yes, there were areas and times they were disadvantaged, but don't even compare it to women and non-whites at the time.