The Mallaby-Deeley Baronetcy, of Mitcham Court in the Parish of Mictham and County of Surrey, was a title in the Baronetage of the United Kingdom. It was created on 28 June 1922 for the Conservative

Conservative Party (UK)

The Conservative Party, formally the Conservative and Unionist Party, is a centre-right political party in the United Kingdom that adheres to the philosophies of conservatism and British unionism. It is the largest political party in the UK, and is currently the largest single party in the House...

 politician Harry Mallaby-Deeley

Sir Harry Mallaby-Deeley, 1st Baronet

Sir Harry Deeley Mallaby-Deeley, 1st Baronet was a British Conservative politician.Harry Deeley was educated at Shrewsbury School and Trinity College, Cambridge. His brother was the theatrical producer Frank Curzon.Deeley was elected Member of Parliament for Willesden East in 1918, resigning in...

. Born Harry Deeley, he assumed the same year by deed poll

Deed poll

A deed poll is a legal document binding only to a single person or several persons acting jointly to express an active intention...

 the additional surname of Mallaby, which was that of his maternal grandfather. The title became extinct on the death of the third Baronet in 1962.

The actor Frank Curzon

Frank Curzon

Frank Curzon was an English actor who became an important theatre manager, leasing the Royal Strand Theatre, Avenue Theatre, Criterion Theatre, Comedy Theatre, Prince of Wales Theatre and Wyndham's Theatre, among others....

 was the brother of the first Baronet.

Mallaby-Deeley Baronets, of Mitcham Court (1922)

• Sir Harry Mallaby Mallaby-Deeley, 1st Baronet
  Sir Harry Mallaby-Deeley, 1st Baronet
  Sir Harry Deeley Mallaby-Deeley, 1st Baronet was a British Conservative politician.Harry Deeley was educated at Shrewsbury School and Trinity College, Cambridge. His brother was the theatrical producer Frank Curzon.Deeley was elected Member of Parliament for Willesden East in 1918, resigning in...
  
  (1863-1937)
• Sir Guy Meyrick Mallaby Mallaby-Deeley, 2nd Baronet (1897-1946)
• Sir Anthony Meyrick Mallaby-Deeley, 3rd Baronet (1923-1962)