Deletion of Horn Africans in the United States

Comment: Horn African" as a term seems colloquial. Article looks to be  and . No results for "Horn African" from an https://books.google.com/ngrams/graph?content=Horn+Africans&year_start=1800&year_end=2019&corpus=15&smoothing=3&share=&direct_url= Ngram search. No results from a https://www.jstor.org/action/doBasicSearch?Query="Horn+Africans" Jstor search
Stance: delete
Cited policy: Wikipedia:No original research (WP:OR||WP:SYNTH)