John Altham was a British

Great Britain

Great Britain or Britain is an island situated to the northwest of Continental Europe. It is the ninth largest island in the world, and the largest European island, as well as the largest of the British Isles...

 Jesuit missionary

Missionary

A missionary is a member of a religious group sent into an area to do evangelism or ministries of service, such as education, literacy, social justice, health care and economic development. The word "mission" originates from 1598 when the Jesuits sent members abroad, derived from the Latin...

 who came to North America

North America

North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...

 to preach to the Native Americans

Native Americans in the United States

Native Americans in the United States are the indigenous peoples in North America within the boundaries of the present-day continental United States, parts of Alaska, and the island state of Hawaii. They are composed of numerous, distinct tribes, states, and ethnic groups, many of which survive as...

.

He was born in Warwickshire

Warwickshire

Warwickshire is a landlocked non-metropolitan county in the West Midlands region of England. The county town is Warwick, although the largest town is Nuneaton. The county is famous for being the birthplace of William Shakespeare...

, England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

, in 1589. He was one of the two Jesuits who accompanied Cæcilius Calvert, 2nd Baron Baltimore

Cæcilius Calvert, 2nd Baron Baltimore

Cecilius Calvert, 2nd Baron Baltimore, 1st Proprietor and 1st Proprietary Governor of Maryland, 9th Proprietary Governor of Newfoundland , was an English peer who was the first proprietor of the Province of Maryland. He received the proprietorship after the death of his father, George Calvert, the...

 in 1633 and arrived in the Chesapeake Bay

Chesapeake Bay

The Chesapeake Bay is the largest estuary in the United States. It lies off the Atlantic Ocean, surrounded by Maryland and Virginia. The Chesapeake Bay's drainage basin covers in the District of Columbia and parts of six states: New York, Pennsylvania, Delaware, Maryland, Virginia, and West...

 in 1634. On landing he obtained a hut from its Indian owner, which he fitted up for religious service, and it was afterward known as "the first chapel in Maryland." He performed his missionary work among the Indians around Kent Island

Kent Island, Maryland

Kent Island is the largest island in the Chesapeake Bay, and a historic place in Maryland. To the east, a narrow channel known as the Kent Narrows barely separates the island from the Delmarva Peninsula, and on the other side, the island is separated from Sandy Point, an area near Annapolis, by...

 from 1634 till his death, in nearby St. Mary's, Maryland, in 1640.