The 1920 census immigration column states Modeste Abdallah Guillaume immigrated to the U.S. in 1895, though this is not yet confirmed in ship records.
Person: Abdullah

Before becoming Neville's teacher, Abdullah (as Modeste Abdallah Guillaume) is traced between the Williams & Walker Glee Club and the Bel Canto Studio, 1905-1910.

Identification caveat. This event documents Modeste Abdallah Guillaume / G. M. Abda'llah as named in the source.

Identification caveat. This event documents Modeste Abdallah Guillaume / G. M. Abda'llah as named in the source.

Identification caveat. This event documents Modeste Abdallah Guillaume / G. M. Abda'llah as named in the source.

Between 1914 and 1923, Modeste Abdallah Guillaume (identified as Neville's mentor Abdullah) lived a double life in Atlantic City as a baritone/bel canto teacher running the Bel Canto Conservat

Identification caveat. This event documents Modeste Abdallah Guillaume / G. M. Abda'llah as named in the source.

A December 1919 clipping notes Newark organist Ruth Thomas Reid, a former pupil of Marie Selika Williams, joined Guillaume's Bel Canto Conservatory.

At the Church of the Religion of Love in the Currie Building, South Carolina and Atlantic Avenues, G. M. Abdallah begins a Sunday-evening lecture series accompanied by mediums.

The First Church of Spiritualistic Love advertises an 8 p.m.

A First Church notice announces G. M. Abda’llah ibn Ghaleym ibn Allah lecturing on ‘The Psychic Soul and Solar Spirit’ at 8 p.m.

In 1923 the man later known as Abdullah shifted identity from 'Modeste Guillaume' to 'G. Mahmud-Ahmad', per research on his advertisements.
Person: Abdullah

A copyright form names G. M. Ahmad-Abdoullah as author of words and identifies the composition as published in 1935.

A copyright application identifies Friendless Friend, a song of unrequited love, and G. M. Ahmad-Abdoullah.

A U.S. musical-composition copyright application names Peace and Rest and G. M. Ahmad-Abdoullah.