This biography is a rough draft and needs to be edited.
Son of John JOHNSON and Mary HEATH. Isaac's will dated Mar. 8, 1673 and proved Feb. 10, 1676, Roxbury, MA names sons Isaac and Nathaniel. Freeman at Roxbury, MA Mar. 4, 1635. Capt. of the Roxbury Company 1663, the Ancient and Honorable Artillery Company 1667, and in the Narragansett Expedition 1675. Killed at head of his company in the 'Great Swamp Fight' of King Philip's War.
"Isaac died on December 19, 1675 in the Great Swamp Fight fight with the Narragansett Indians in South Kingstown, Rhode Island. 
Capt. of the Roxbury Company 1663, the Ancient and Honorable Artillery Company 1667, and in the Narragansett Expedition 1675. Killed at head of his company in the 'Great Swamp Fight' of King Philip's War. His military career is detailed in Soldiers in King Philip's War.
From Savage Gen. Dictionary.
Isaac Johnson of Roxbury was the eldest son of John of Roxbury. He was born in England.
He was a freeman 4 Mar. 1635.
Isaac m. 20 Jan. 1637, Elizabeth Porter.
Elizabeth b. 24 Dec. 1638. Elizabeth m. 20 Dec. 1658, Henry Bowen;
John, 3 Nov. 1639, d. 18 Dec. 1661;
Mary, bapt. 10 (tho. town rec. says b. 24) Apr. 1647; Mary m. 17 Dec. 1663, William Bartholomew
Isaac, bapt. 7 Jan. 1644;
Joseph, 9 Nov. 1645, d. in few wks.;
Nathaniel, b. says town rec. 1 May, bapt. says ch. rec. 2
May 1647, by name of Nehemiah, which Savage thinks is error. He was of ar. co. 1645, its capt. 1667, rep. 1671; was k. by the Ind. at the head of his comp. in the gr. Narraganset fight, 19 Dec. 1675. See Hutch. I. 299, or Mather, VII. 50.
His will, of 8 Mar. 1673, probated 10 Feb. 1676, provides for w. Elizabeth and the four surviving ch: double portion to eldest, Isaac. The wid. d. 13 Aug. 1683.
Src: Savage, James. A Genealogical Dictionary of the First Settlers of New England Showing Three Generations of Those Who Came Before May, 1692. Vol. I-IV. Boston, MA, USA: 1860-1862.
file 1496544.zip William Smith wsmith0128@@aol.com had the this person and data
Source: S-2009482853 Repository: #R-2009482618 Title: Ancestry Family Trees Publication: Name: Online publication - Provo, UT, USA: Ancestry.com. Original data: Family Tree files submitted by Ancestry members.
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Source: S79 Author: Yates Publishing Title: U.S. and International Marriage Records, 1560-1900 Publication: Name: Online publication - Provo, UT, USA: Ancestry.com Operations Inc, 2004.Original data - This unique collection of records was extracted from a variety of sources including family group sheets and electronic databases. Repository: #R1
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Source: S125551 Title: Maltby 08282011.FTW
↑ (Bowen, Clarence Wintrop, PhD. LL.D. The History of Woodstock Families (8 vols). Norwood, MA.: Plimpton Press, 1962. Schultz, E.B. and M/J/ Tougias. King Phillip's War. Woodstock, VT.: Countryman Press, Page262
↑George M. Bodge. Soldiers in King Philip's War. Leominster, Mass: Printed for the author, 1896. Open Library pages 159-163.
This profile has been identified as a duplicate by Nan Lambert, an Arborist. Please review the proposed merge - bottom of the profile on the left. If they are duplicates please approve the merge. If you have questions or would like assistance please ask. Thank you.
Merging has revealed conflicting mothers; those more familiar with the most recent research regarding this line, please review the multiple spouses of his father and resolve (citing sources, please). Thank you.