mathematics

Mary de Lellis Gough

Mary de Lellis Gough is a mathematics topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Mary de Lellis Gough rather than just read about it. In short: Sister Mary de Lellis Gough (15 February 1892 – 7 April 1983) was an Irish nun who spent most of her life in the USA. She is notable for being the earliest known Irish woman to earn a doctorate in mathematics.

Key takeaways

Mary de Lellis Gough belongs to mathematics; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Mary de Lellis Gough to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Mary de Lellis Gough from memory before moving on to harder problems.

Reference excerpt

Sister Mary de Lellis Gough (15 February 1892 – 7 April 1983) was an Irish nun who spent most of her life in the USA. She is notable for being the earliest known Irish woman to earn a doctorate in mathematics.

Life She was born in Kilmore, County Wexford, Ireland. Her parents were Ellen Dunne and Walter Gough. She attended the local St John of God's primary school. She emigrated to Texas in 1909 with a group of young Irish women, and joined the Sisters of Charity of the Incarnate Word, taking vows as Mary de Lellis in 1911.

Career While working as a high school teacher, she studied at the Catholic University of America. She graduated in 1920, earned a master's degree in 1923, and completed her PhD from the same university in 1931. Her PhD dissertation was entitled On the condition for the existence of triangles in and circumscribed to certain types of the rational quartic curve and having a common side and supervised by Aubrey E. Landry. She taught mathematics at Incarnate Word College from 1920 to 1943. In 1953, she coined the term "mathephobia" based on her observations of her students. In 1944, she left teaching due to health issues and returned to Texas where she worked as an accountant at a local hospital in Fort Worth. She retired in 1964.

References

Worked examples

Example 1 — a first encounter with Mary de Lellis Gough

Start with the simplest possible case. Write down what Mary de Lellis Gough claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In mathematics, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Mary de Lellis Gough before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Mary de Lellis Gough ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Mary de Lellis Gough

In research: Mary de Lellis Gough appears in mathematics research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Mary de Lellis Gough in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Mary de Lellis Gough is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1892 births, 1983 deaths, 20th-century American mathematicians, so understanding it makes those chapters shorter.
In everyday life: Look for Mary de Lellis Gough outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Mary de Lellis Gough in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Mary de Lellis Gough means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Mary de Lellis Gough out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Mary de Lellis Gough in simple terms?

Why does Mary de Lellis Gough matter?

Because it connects several mathematics ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Mary de Lellis Gough?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Mary de Lellis Gough.