Yes well done, the sign of as good genealogist is the ability to look at someone's tree and spot the errors, it's not easy when the research has already supposedly been done.
things like
I was stuck on a particular ancestor on my husband's side for years, it took the 1901 census release to solve it. On her daughter's birth certificate, the child's father , when asked the mothers maiden name, had given his own mother's maiden name, not his wife's! I bought the certificate in 1987 and spent over a decade trying to find a marriage for the parents! As it happened they only married 5 years after the child's birth anyway, which didn't help.