Sir William Richardson, 1st Baronet (after 1749 - 29 October 1830) was a Irish politician.

He was the son and heir of St George Richardson, MP for Augher (1755–1760).

He was the Member of Parliament

Member of Parliament

A Member of Parliament is a representative of the voters to a :parliament. In many countries with bicameral parliaments, the term applies specifically to members of the lower house, as upper houses often have a different title, such as senate, and thus also have different titles for its members,...

 (MP) for Augher

Augher (Parliament of Ireland constituency)

Augher was a constituency represented in the Irish House of Commons until the Acts of Union 1800 came into force on January 1, 1801.-History:In the Patriot Parliament of 1689 summoned by King James II, Augher was not represented.-1689–1801:...

 from 1783 to 1790 and Ballyshannon

Ballyshannon (Parliament of Ireland constituency)

Ballyshannon was a constituency represented in the Irish House of Commons from 1613 to 1800.-Boundaries and Boundary Changes:This constituency was the borough of Ballyshannon in County Donegal...

, Ireland from 1798 to 1801.

He was created a baronet

Richardson Baronets

There have been five Baronetcies created for persons with the surname Richardson, one in the Baronetage of Nova Scotia, one in the Baronetage of Ireland and three in the Baronetage of the United Kingdom....

 in 30 Aug 1787 and served as High Sheriff of Tyrone

High Sheriff of Tyrone

The High Sheriff of Tyrone is the Sovereign's judicial representative in County Tyrone. Initially an office for lifetime, assigned by the Sovereign, the High Sheriff became annually appointed from the Provisions of Oxford in 1258...

in 1789.

He married twice: firstly, Mary, widow of Carey Hamilton, and daughter and coheir of William (Newbttegh?), of Balyhaise, co. Cavan
and secondly Eliza Richardson. He was succeeded by Sir James Mervyn Richardson who changed his surname by royal licence to Richardson-Bunbury.