American whaler Jireh Swift visited Monganui, New Zealand according to the New Zealand newspaper Daily Southern Cross dated 26 June 1857

South Sea whalers boiling blubber/boats preparing to get a whale alongside. 

A watercolour by British artist Sir Oswald Brierly. The painting dates from around 1876.

An item reported the arrival at Monganui, New Zealand on 19 January of the American whaler Jireh Swift of 454 tons from New Bedford, master W[illiam] Earl 200 barrels whale 54 barrels sperm, left on 2 February homeward bound.(1) Built at Dartmouth, USA in 1853, 454 7/95 tons and as dimensions 122.9 x 28.7 x 14. 3 1/2 feet, 2 decks, 3 masts, square stern, no galleries and a billethead, reregistered on 7 May 1857, owners Jireh Swift Jr. and Frederick S. Allen 8/32, Jireh Swift 8/32, Olivor Crocker and George O. Crocker 4/32, Benjamin B. Covell 2/32, James Henry Howland 2/32, Abraham Delano and Allon Case 2/32, Joseph Clark 2/32, Pardon Tillinghast 3/32, Heirs of Samuel G. Hudson 1/32, New Bedford.(2)

Sources

Whalemen’s Shipping List dated 30 June 1857 barque, shipping agents Swift&Allen, at homeport arriving on 6 May 1857. 40 sperm 1.000 whale bone.

Ship registers of New Bedford, Massachusetts, vol.III 1851-1865. Boston, 1940.