Macaulay
# Macaulay

Macaulay, Macauley, MacAulay, or McAulay may refer to:

## Name

### Surname

* Macaulay (surname), an English-language surname with multiple etymological origins (also includes surnames Macauley, MacAulay and McAulay).

## People

### Surname

* Thomas Babington Macaulay, 1st Baron Macaulay, British historian and Whig politician who played a major (and controversial) role in reforming education in India.
* List of people with surnames Macaulay, MacAulay or McAulay

### Given name

* Macaulay Culkin, American actor
* Macaulay Langstaff, English footballer

## Places

* Macaulay River, in the South Island of New Zealand
* Macaulay railway station, Melbourne, Victoria, Australia
* The Macaulay Institute, a land use research institute based in Aberdeen, Scotland
* William E. Macaulay Honors College, a school which is part of City University of New York, in New York, USA
* MacAulay Field, Canadian football stadium in Sackville, NS, Canada

## Families

* Clan MacAulay, a Scottish clan historically seated at Ardincaple Castle, in Scotland.
* Macaulay family of Lewis, a Scottish family historically centred on Lewis in the Outer Hebrides, in Scotland.

## Mathematics

* Cohen–Macaulay ring, a commutative ring, named after Irvin Cohen and Francis Sowerby Macaulay (1862-1937).
* Macaulay computer algebra system, a computer algebra system, named after Francis Sowerby Macaulay (1862-1937).
* Macaulay2, a free computer algebra system, which is a successor of the preceding.
* Macaulay matrix, a generalization of Sylvester matrix to n homogeneous polynomials in n variables.
* Macaulay brackets, a notation used to describe the ramp function.
* Macaulay Duration, a special case of bond duration, named after Frederick Macaulay (1882-1970).

## Other

* Macaulay Cup, Scottish shinty cup
* Macaulay Library, animal sound library
* MacAulay and Co, BBC Radio Scotland daily magazine
