The problem is that this is less a feature of English writing than of speech and song. One example of the latter springs to mind: the song "I'm [or "it's"] Henry the eighth I am I am, It's Henry the eighth, I am." The problem is that this is less a feature of English writing than of speech and song. One example of the latter springs to mind: the song "I'm [or "it's"] Henry the eighth I am I am, It's Henry the eighth, I am." Herman's Hermits "Henry The VIII, I Am" on The Ed Sullivan show can be found on the internet.
It may even be a speech habit of rural communities and one looked down in with fond condescension by the 'educated classes'. So, if it appears at all in published writing, it will probably be in novels to reproduce the speech of rustics. Thomas Hardy springs to mind but there will be others. As for a label, the word for literary and especially oratorically repetition is anaphora, used to drive a point home. The speech habit in the question is certain aimed at driving the point home, and so could be so called, even though it is stretching the intention of the term rhetoric to the limit. It may even be a speech habit of rural communities and one looked down in with fond condescension by the 'educated classes'. So, if it appears at all in published writing, it will probably be in novels to reproduce the speech of rustics. Thomas Hardy springs to mind but there will be others. As for a label, the word for literary and especially oratorically repetition is anaphora, used to drive a point home. The speech habit in the question is certain aimed at driving the point home, and so could be so called, even though it is stretching the intention of the term rhetoric to the limit.