Age, Biography and Wiki

Osla Benning (Margaret Osla Benning) was born on 23 August, 1921 in Montreal, Quebec, Canada. Discover Osla Benning’s Biography, Age, Height, Physical Stats, Dating/Affairs, Family and career updates. Learn How rich is She in this year and how She spends money? Also learn how She earned most of networth at the age of 53 years old?

Popular As Margaret Osla Benning
Occupation N/A
Age 53 years old
Zodiac Sign Leo
Born 23 August 1921
Birthday 23 August
Birthplace Montreal, Quebec, Canada
Date of death (1974-10-29) Kensington, London, England
Died Place N/A
Nationality Canada

We recommend you to check the complete list of Famous People born on 23 August.
She is a member of famous with the age 53 years old group.

Osla Benning Height, Weight & Measurements

At 53 years old, Osla Benning height not available right now. We will update Osla Benning’s Height, weight, Body Measurements, Eye Color, Hair Color, Shoe & Dress size soon as possible.

Physical Status
Height Not Available
Weight Not Available
Body Measurements Not Available
Eye Color Not Available
Hair Color Not Available

Who Is Osla Benning’s Husband?

Her husband is John Henniker-Major (later 8th Baron Henniker)
​ ​(m. 1946)​

Parents Not Available
Husband John Henniker-Major (later 8th Baron Henniker)
​ ​(m. 1946)​
Sibling Not Available
Children 3

Osla Benning Net Worth

Her net worth has been growing significantly in 2022-2023. So, how much is Osla Benning worth at the age of 53 years old? Osla Benning’s income source is mostly from being a successful . She is from Canada. We have estimated
Osla Benning’s net worth
, money, salary, income, and assets.

Net Worth in 2023 $1 Million – $5 Million
Salary in 2023 Under Review
Net Worth in 2022 Pending
Salary in 2022 Under Review
House Not Available
Cars Not Available
Source of Income

Osla Benning Social Network




Kate Quinn’s 2021 novel about Bletchley Park, The Rose Code, features a character named Osla Kendall, who is based heavily on Osla Benning.


Benning died of cancer in Kensington, London, on 29 October 1974, at the age of 53.


Her husband was knighted in the 1965 New Years Honours List and succeeded as the 8th Baron Henniker in 1980.


In 1946 she married John Henniker-Major, 8th Baron Henniker. They had two sons and one daughter:


A few months later, by summer 1941, they were both tested on their German language skills and posted to Hut 4 at Bletchley Park, the naval section, as linguists.


Margaret Osla Henniker-Major, Lady Henniker-Major (née Benning; 23 August 1921 – 29 October 1974) was a Canadian debutante, who worked at Bletchley Park, was Prince Philip’s first girlfriend, and later married John Henniker-Major (later 8th Baron Henniker).

Osla Benning was born in Montreal, Quebec, Canada, on 23 August 1921, the daughter of Edith Black and James William Benning, and the goddaughter of Lord Louis Mountbatten. She went to finishing school in Austria, and came out as a debutante in August 1939.