Name: William Underwood, Year: 1640, Place: Massachusetts
Source Publication Code: 1262 , Primary Immigrant: Underwood, William
Annotation: Date and place of settlement or date and place of arrival. Names not restricted to the Order of Founders and Patriots of America.
Source Bibliography: COLKET, MEREDITH B., JR. Founders of Early American Families: Emigrants from Europe, 1607-1657. Cleveland: General Court of the Order of Founders and Patriots of America, 1975. 366p., Page: 300
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Massachusetts and Maine Families, Vol. III, Underwood, of Chelmsford, page 513
The will of William Underwood of Chelmsford was made March 14, 1693/4, and proved August 30, 1697. He left to his son Samuel the lands and meadows at Great and Little Tadmuck which he had formerly given him, to be his full portion of the estate, but added his best greatcoat, a great chest and the corn owed him by Joshua Fletcher. "What I promised to Ann, my beloved wife, upon marriage with her, Shall Stand," and she shall make her choice of and improve those lands and meadows that lie next his barn, if she please, for her proportion. Also to his wife "for her tender care of me in my weak and afflicted condition," a feather bed, a bolster, an iron kettle and a pair of old oxen, his grandsons Nathaniel and William Blodgett to have the improvement of the oxen until it may be judged by discrect persons that it will be convenient to turn them to fatting. To wife Ann, all his barrels. (Was he a cooper by trade.?) To his daughter Remembrance Richardson, the feather bed he had in his house before he last married. To his grandsons Nathaniel and William Blodgett, an acre of land each. To grandson Edward Spalden, all the land adjoining his father's land. To his grandson Samuel Richardson, cattle and corn equal to the value of the land given to Edward Spalden. To his three grandsons, Nathan Blodgett, William Blodgett and Joseph Butterfield, all the remaining lands and meadows, Joseph to live with him and his wife until he reaches twenty-one, but, after his death, his wife may free Joseph from the obligation. Executors: his wife, Nathaniel and William Blodgett. Residue of his estate to Nathaniel and William Blodgett and Joseph Butterfield. Witnesses: John Bates, Joseph Peram, Moses Keyes. The principal item in the inventory, which was taken August 24, 1697, by Thomas Parker, John Peram and Solloman Keyes, senior, was "housing, lands, orchards, fences, meadows,"
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The Kilpatrick Family: with related families, Kilpatrick, Marian Douglas Jones, Beatrice, Neb. ?. R. J. Kilpatrick, 1985, page 49

This family in New England was founded by William Underwood, who removed from Concord, Massachusetts, 1652, with about twenty other families of Concord and Woburn, to found the new settlement at Chelmsford. He came from England probably prior to 1640, and was admitted freeman, taking the oath at Concord in 1650. He married Sarah Pellet, possibly before leaving England. They had children:
Remembrance, b. at Concord, February 25, 1640, m Josiah Richardson, 1659; she d. 2-20-1718/19, aged 79 years. They had a son Samuel, named in Grandfather's will.
Sarah, b. 7-3/5-1641, m. 3-10-1669, Daniel Blodgett, and had at least two sons, mentioned in gr. father's will.
Priscilla, b. 12-16-1646, m 1-6-1663, Edward Spaulding, and had son "Edward Spalden" as written in his gr. father's will.
Aquilla, b. 5-3-1647, d. 1657.
Rebecca, d. 1650
Deborah, m. Nathaniel Butterfield, and had a son, Joseph, mentioned in his gr. father's will.
Samuel, b. 2-14-1656, had son Aquila of Westford, N. H.
Sarah, wife of William Underwood, died 11-5-1684, and he married (2) 3-17-1685, Anna Kidder of Billerica, called in his will, dated March 14, 1693/4, "Ann, my beloved wife."
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It appears that most of the children were born in Concord, and probably most of them baptized in Chelmsford in 1656.
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Name: William UNDERWOOD, Spouse: Ann Kidder
Marriage Date: Mar. 17, 1684, Marriage Place: Chelmsford
Source: Vital Records of Billerica
Full Text: UNDERWOOD, William of Chelmsford, and Ann Kidder, Mar. 17, 1684-5, in Chelmsford.
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Name: Anna (widow) MIDDER, Spouse: William Underwood
Marriage Date: 17 March 1685, Marriage Place: Chelmsford, Mass.
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Cambridge, Massachusetts History, Supplement
Kidder, Anne, of Billerica, prob. wid. of James, m. William Underwood of Chelmsford, 15 Mar. 1685, 596

Some sources give her surname as 'Pellet'.
Vital Records of Chelmsford
Deaths
Underwood Sarah, w. William, Nov. 5, 1684.

Massachusetts Town Birth Records
Name: Aquilla UNDERWOOD, Birth Date: 1647
Birth Place: Concord, Father's Name: William & Sarah, Sex: F
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Vital Records of Chelmsford
Underwood Aquilla, s. William, bp. 1: 12 m: 1656, a. abt. 8 y. P. R. 1.
UNDERWOOD (see also Undorwood), Aquilla, s. Will[ia]m [drowned. P. R. 1.], June 17, 1657. CT. R. [17: 5 m. P. R. 1.]

Massachusetts Town Birth Records
Name: Samuel Underwood, Birth Date: 14 Feb 1655, Birth Place: Chelmsfo
Father's First Name: Will[IA]M, Gender: Male
Source: Vital Records of Chelmsford