Michael and Margaret and children, Mary, Margaret, Elizabeth and James went to New Zealand on the "SIR ROBERT SALE", left Gravesend on 13 Jun 1847, left Cork Ireland on 4 Jul 1847, arrived in Auckland, New Zealand on 11 Oct 1847.

Married Michael Halloran 30 Oct 1855, St Mary's Cathedral, Sydney, Australia

SANVIG - O'HALLORAN, At Auckland on Feb 25 1890 Christian Juliues, sec s/o Peter Sanvig, late of Tromso, Norway, to Margaret Maud, third d/o Michael
O'Halloran, farmer of Pakuranga.

Auckland Star, Volume XXVIII, Issue 274, 25 November 1897, Page 8
DEATHS
O'HALLORAN. On November 7, at Pakuranga, Michael, beloved husband of Margaret O'Halloran, aged 77 years. The funeral will leave his residence for Howick Cemetery at 3 p.m. to-morrow.

Auckland Star, Volume XXVIII, Issue 281, 3 December 1897, Page 5
SUPREME COURT.
THIS DAY
IN CHAMBERS,
(Before His Honor Mr Justice Conolly.) Probate.- His Honor granted probate to the executors in the following cases - Michael O'Halloran

Auckland Star, Volume XXX, Issue 302, 21 December 1899, Page 8
DEATHS
O'HALLOHAN. On November 29th, 1899, at her late residence, Pakuranga, Margaret, the dearly beloved wife of the late Michael O'Halloran; aged 58 years.
Deeply regretted. R.1.P

Herald, 17th June 1905.
O'HALLORAN.
At the Auckland Hospital, John, 3rd son of the late Michael O'Halloran of Pakuranga, age 33 years. The funeral will leave his late residence, Pakuranga, today, Saturday, 17th instant, at 2 pm, for the Roman Catholic Cemetery, Howick. Friends will please accept this intimation.

O'HALLORAN.
Herald, 6th May 1930.
On May 5th, at the Auckland Hospital, Ellen, youngest daughter of the late Michael and Margaret O'Halloran, of Howick. RIP. The funeral will leave Messrs C. Little and Sons' Mortuary, Hobson Street, at 2 pm. tomorrow, Wednesday, for Howick Cemetery.