He was born on the day of Ashura (10th Muharram al-Haram) in 1239 AH/1823 AD and died on 27th Zilhijjat al-Haram 1308 AH/1891 AD in Ahmedabad, India.

He succeeded his brother, the 47th Da'i, Syedna AbdulQadir Najmuddin, to the religious post.

Syedna Husamuddin became Da'i al-Mutlaq in 1302 AH/1885 AD.

[2][3] Syedna Abdul Husain Husamuddin appointed or gave nass to Syedna Mohammad Burhanuddin (49th Dai) as his successor.

This biographical article about a person notable in connection with Islam is a stub.