Why am I passionate about this?

I am the author of 30 books. I live and teach in Mexico. I became interested in the St. Patrick's Battalion story when I moved here in 1990. The only book at the time was Shamrock and Sword, and while I enjoyed the book, I was dismayed that there were no Mexican or Irish sources. I did intensive research in the military archives of both countries and visited every battle site. Spurred on by the fact that one of my ancestors fought in the war, it became a passion. Later, I wrote my book and was a consultant for the film One Man's Hero. The rest, as they say, is history.


I wrote

The Irish Soldiers of Mexico

By Michael Hogan,

Book cover of The Irish Soldiers of Mexico

What is my book about?

The least-known story of the Irish who came to America in the 1840s is that of this Irish battalion that…

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The books I picked & why

Book cover of Shamrock and Sword: The Saint Patrick's Battalion in the U.S.-Mexican War

Michael Hogan Why did I love this book?

This is the story about the San Patricio Battalion, which fought for Mexico in the war of 1846-48 and were ultimately hanged as traitors. It is told primarily from the American standpoint using exclusively US documents. What makes it fascinating to me is that the author reveals why this history was hidden from researchers and scholars alike for so many years.

I had heard about this group in Mexico, but since I could find no information on it, I assumed it was mostly legend. What a revelation to discover that it was real and that the Irish actually did join up with the Mexicans to fight against the US invasion.

By Robert Ryal Miller,

Why should I read it?

1 author picked Shamrock and Sword as one of their favorite books, and they share why you should read it.

What is this book about?


This fascinating true story about war, intrigue, defection to the enemy, and brutal military justice is a dramatic example of the conflicts that frequently arise between humanitarian values and inflexible military regulations.

Shamrock and Sword's setting is the U.S.-Mexican War, remembered by Americans as an illustration of Manifest Destiny, the inevitable extension of the American frontier. It is remembered differently by Mexicans, who lost a substantial portion of their territory to an invading army. Perceptions on both sides of the border will be reshaped by Robert Ryal Miller's account of American soldiers who deserted to fight in the Mexican army.…


Book cover of The Rogue's March: John Riley and the St. Patrick's Battalion, 1846-48

Michael Hogan Why did I love this book?

I like this version of the story because Stephens went to Ireland and researched the life and times of John Riley, the commander of the San Patrico Battalion. He shows his motivation for joining the Mexican Army, leadership skills, artillery knowledge, and more.

It is a bird’s eye view of the life of a soldier in the Irish diaspora and how he associated an Anglo-American army invading a Catholic neighbor with his own native land invaded by the English army 400 years before.

By Peter F. Stevens,

Why should I read it?

1 author picked The Rogue's March as one of their favorite books, and they share why you should read it.

What is this book about?

The controversial true story of the US Army deserters--the majority of them Irish immigrants--who fought valiantly as a Mexican Army unit during the Mexican War of 1846. It takes a close look at the organized prejudice against irish Catholic and German immigrants.


Book cover of A Ballad of Love and Glory

Michael Hogan Why did I love this book?

This author tells the story of the Irish Battalion and the Mexican War from the perspective of a female nurse who treated soldiers on both sides. It provides an element of compassion as the day-to-day conflicts unfold within and without.

I could sympathize with the plight of women, whether camp followers on the Mexican side or washerwomen and cooks on the American side. I especially liked the fact that she does not shy away from women of loose morals while at the same time showing the dignity and courage of those who helped heal and comfort the wounded.

By Reyna Grande,

Why should I read it?

2 authors picked A Ballad of Love and Glory as one of their favorite books, and they share why you should read it.

What is this book about?

2023 International Latino Book Award Winner
Finalist for the Texas Institute of Letters’s Jesse H. Jones Award for Best Fiction

A Long Petal of the Sea meets Cold Mountain in this “epic and exquisitely wrought” (Patricia Engel, New York Times bestselling author) saga following a Mexican army nurse and an Irish soldier who must fight, at first for their survival and then for their love, amidst the atrocity of the Mexican-American War—from the author of The Distance Between Us.

A forgotten war. An unforgettable romance.

The year is 1846. After the controversial annexation of Texas, the US Army marches south…


Book cover of Saint Patrick's Battalion

Michael Hogan Why did I love this book?

I enjoyed this fictional account of the Irish Battalion, which is told through the eyes of two Mexican and American boys. We learn there were also Scots and Germans involved and that both sides were brutal.

This book is accessible to young adults as well as mature readers and is compelling because of the fast-paced, visual action scenes.

By James Alexander Thom,

Why should I read it?

1 author picked Saint Patrick's Battalion as one of their favorite books, and they share why you should read it.

What is this book about?

In a monastery built by Franciscan monks on the site of an Aztec war god’s temple, a rogue battalion of cannoneers prepares to make its final stand along a strategic road to Mexico City. Reviled by its enemies and lionized by its allies, Saint Patrick’s Battalion will fight under an emerald green flag with the fury of the proud and the damned. And as James Alexander Thom’s extraordinary new novel reaches a shattering climax, the reader hurtles into a collision between true loyalty and true betrayal–and between the best and basest reasons for war.

Narrated by two soldiers on opposite…


Book cover of Gods, Gachupines and Gringos: A People's History of Mexico

Michael Hogan Why did I love this book?

This nonfiction history of Mexico was compelling because it details everyday life in the occupied country. It also provided details of the US and Mexico before and after the Mexican War.

We get a clearer sense of what motivated soldiers on both sides to join in the largest territorial battle in North America. For Americans it was a great adventure, for Mexicans, the defense of their homeland. I also like the author's use of irony and humor, which gives the book a balance that more academic history cannot risk.

By Richard Grabman,

Why should I read it?

1 author picked Gods, Gachupines and Gringos as one of their favorite books, and they share why you should read it.

What is this book about?

A complete, accessible, and nonacademic history of Mexico for general readers, this volume is a solidly researched introduction to a surprisingly multicultural, multifaceted nation. Presenting Mexico as it is and often with a refreshing wit and humor, this history puts flesh and bones on the dusty figures of the past while shedding light on the common humanity of the uncommon humans who created this unique country and its culture. From Mayans and Spanish conquistadors to guerillas and tourist invasions, the full thread of Mexican history is told here in a fresh, lively, uncompromising narrative for scholars, general readers, and generations…


Explore my book 😀

The Irish Soldiers of Mexico

By Michael Hogan,

Book cover of The Irish Soldiers of Mexico

What is my book about?

The least-known story of the Irish who came to America in the 1840s is that of this Irish battalion that fought on the Mexican side in the US-Mexico War of 1846-1848. They came to Mexico and died, some gloriously in combat, others ignominiously on the gallows. United under a green banner, they participated in all the war's major battles. General López de Santa Anna, the Mexican commander-in-chief and president, cited them for bravery.

At the penultimate battle of the war, these Irishmen fought until their ammunition was exhausted and, even then, tore down the white flag that was raised by their Mexican comrades in arms, preferring to struggle on with bayonets until finally being overwhelmed. Despite their brave resistance, 85 of the Irish battalion were captured and sentenced to bizarre tortures and deaths, resulting in what is considered even today as the "largest hanging affair in North America."

Book cover of Shamrock and Sword: The Saint Patrick's Battalion in the U.S.-Mexican War
Book cover of The Rogue's March: John Riley and the St. Patrick's Battalion, 1846-48
Book cover of A Ballad of Love and Glory

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Interested in the Mexican–American War, Mexico, and New Mexico?

Mexico 232 books
New Mexico 61 books