You can refer to the book "Guia Social de la Colonia Arabe en Chile (Siria – Palestina – Libanesa)" by Ahmad Hassan Mattar, 1941. The author has published the names of immigrant ancestor from 1938 to 1941.
The book is availble online through Biblioteca Nationale de Chile.
The Consulate General of Lebanon in Rio de Janeiro published 6,194 names of immigrant ancestors.
To access this list, go to the Consulate General of Lebanon in Rio de Janeiro webpage.