Urban spirit that I was, I had no more aptitude as a farmer's daughter than my father had as a farmer. (From ACT)
What does the structure "urban spirit that I was" mean? I don't think it is inversion sentence.
The construction X that Y was in such contexts is a rather "literary" way of saying Y was [an] X. It's always followed by a "related" assertion, which in some way naturally follows from the fact of Y being an X - usually, because Y is an X, [some related assertion]...
Urban spirit that I was, I had no more aptitude as a farmer's daughter than my father had as a farmer.
...could be paraphrased as...
Being a city-dweller by nature, I wasn't much of a farmer's daughter, just as my father wasn't much of a farmer.
Alternatively,...
I was an Urban spirit, so / thus / therefore I had no more aptitude as a farmer's daughter than my father had as a farmer.