Biography.guide
Home › People › Politician › Ossie Mazengarb
Portrait of Ossie Mazengarb

Ossie Mazengarb

1890 – 1963

New Zealand politician

Don't just read it — keep itBiographies to ownE-book · Audio · Video From $7 →

About Ossie Mazengarb

Lived 1890 – 1963 (aged 73). Ossie Mazengarb was a New Zealand politician, lawyer and writer.

Oswald Chettle Mazengarb (31 May 1890 – 27 November 1963), known as Ossie Mazengarb, was a New Zealand barrister.

Biography

Mazengarb was born in Prahran, a suburb of Melbourne, in 1890. His family moved to Dunedin soon after his birth and he received his education at Otago Boys' High School, which he attended from 1903 to 1905. From 1908 to 1911, he studied for a Bachelor of Arts at Otago University. A scholarship in political economy enabled him to study a further year and he graduated with a Master of Arts in 1912. He then moved to Wellington to study law at Victoria College and obtained a Bachelor of Laws in 1914 and a Master of Laws in 1917. He was a member of the debating club at both universities.

In 1914, Mazengarb was admitted to the bar. He formed a partnership with John Barton in 1915. Barton was appointed magistrate in Gisborne and had to dissolve the partnership. Mazengarb was joined by Ernst Peterson Hay and Robert Macalister and their practice soon rose to one of the largest in the capital city. He stood as a candidate for the United–Reform Coalition government in the in the electorate, and for National in the in the electorate. He was appointed in 1950 as one of the so-called suicide squad in the Legislative Council to vote for its abolition.

Alongside Alfred North, Mazengarb was appointed King's Counsel on 18 April 1947. In the 1953 Coronation Honours, Mazengarb was appointed a Commander of the Order of the British Empire, for charitable and public services, especially in the field of law.

A well-known public appointment was in 1954, by the National government of the time, to chair the Special Committee on Moral Delinquency in Children and Adolescents, otherwise better known as the Mazengarb Report.

On 6 April 1920 at St John's Church in Invercargill, Mazengarb married Margaret Isabel Campbell. The couple had three daughters. Mazengarb died in Wellington on 27 November 1963. By far his most notable contribution was to the establishment of Heritage Incorporated, colloquially known as the Heritage Movement. A year before his death in 1963 the lawyer published The Story of Heritage: An Epic of Accomplishment through Faith and an Earnest of More to be Done on the work of the movement.

Publications (partial list) The law relating to negligence on the highway (first edition, Wellington: Butterworth, 1942; second edition, Sydney: Butterworth, 1952) Advocacy in our time (London and Wellington: Sweet and Maxwell, 1964) Mazengarb's negligence on the highway: law and practice in Australia, third edition (Sydney: Butterworths, 1957) Mazengarb's law and practice relating to actions for negligence on the highway, fourth edition (Sydney: Butterworths, 1962) The Story of Heritage: An Epic of Accomplishment through Faith and an Earnest of More to be Done (Dunedin: Reed, 1962) Report of the Special Committee on Moral Delinquency in Children and Adolescents (Wellington: Government Printer, 1954) [chairperson] (Project Gutenberg edition also available)

Biography shop

Don’t just read it —
keep it.

Full-length biographies made to live with: read them, listen on the way to work, watch them tonight.

  • E-book
  • Audio
  • Video
Browse the shop — from $7

Instant download · yours to keep · every purchase keeps this site free

Important facts

Birth century
Nationality
Positions held
King's Counsel
Awards
Commander of the Order of the British Empire
Also known as
Oswald Chettle Mazengarb, Oswald Mazengarb

People in Ossie Mazengarb's life

Named in this biography and alive at the same time

Contemporaries

People whose lives overlapped Ossie Mazengarb's

Frequently asked questions

Who was Ossie Mazengarb?

New Zealand politician (1890–1963)

When was Ossie Mazengarb born?

Ossie Mazengarb was born on 31 May 1890 in Prahran.

When did Ossie Mazengarb die?

Ossie Mazengarb died on 27 November 1963 in Wellington.

What was Ossie Mazengarb's occupation?

Ossie Mazengarb was a politician, lawyer and writer.

What nationality was Ossie Mazengarb?

Ossie Mazengarb was New Zealand.

Sources & further reading

· Wikipedia: Ossie Mazengarb

· Wikidata: Q7108103

· DBpedia: Ossie Mazengarb

Cite this page

APA: Biography.guide. (2026). Ossie Mazengarb. https://biography.guide/ossie-mazengarb/

MLA: "Ossie Mazengarb." Biography.guide, https://biography.guide/ossie-mazengarb/.

Chicago: "Ossie Mazengarb." Biography.guide. https://biography.guide/ossie-mazengarb/.

Data last updated: 2026-09-21 · Spot an error? Report a correction.

Portrait: Wikimedia Commons · author & licence

Page generated 2026-09-27 04:59 UTC