Lieutenant-Colonel Aubrey John "A.J." O'Brien (5 December 1870 – 31 August 1930) was an officer in the British Indian Army and a writer on India.[1]
O'Brien's father was Edward O'Brien of the Bengal Civil Service. Aubrey O'Brien was educated at Dover College and at Sandhurst.
He served three and a half years in the Loyal North Lancashire Regiment, and one and a half years in the 110th Maratha Light Infantry before spending 29 years in the Punjab Commission.[1]
He also remained the district judge as a Lieutenant at Bannu (then part of British India, now in Pakistan). On 9 November 1901 he was promoted to the rank of captain and appointed as the 1st Deputy Commissioner of the newly formed Mianwali District (then part of British India, now in Pakistan).[2] He served Mianwali not once but three times, the second time in 1906 and the third time in 1914.[3] However he was promoted to the rank of major during his third tenure at Mianwali.
O'Brien was made CIE in 1906 and CBE in 1919.[1]
He died in Kensington, aged 59, from undisclosed causes and [4] was interred at Brompton Cemetery, London.