John Bigelow first appears in the Watertown records on Oct. 30, 1642 with the recording of his marriage, "1642-30-8. John Bigulah and Mary Warin joyned in mariag before Mr. Norwell." He also took the oath of fidelity at Watertown in 1652.
John Bigelow was a blacksmith as appears from the following record dated March 4, 1650-51. "Agreed wth John Biglo yt for ten trees the towne allowed for the setting up a shop for a Smithes forge, yt he shouldeither goe on with yt his promise of setting up his trade, wch is the trade of a Smith within one twellfmonth after the date hereof or elseto pay unto the towne ten shillings for the sd ten trees he acknowledged to have off the townes".
Active in town affairs, John was chosen Surveyor of Highways in 1652, 1660, and 1668; Constable in 1664; and a Selectman in 1665, 1670, and 1671. In 1654 he and Miles Ives were "Chosen for to psecute the Townes order about Swine and fences for this yeare".
His homestead consisted of six acres and was bounded south with the highway, north by Richard Ambler and William Parker, east by Thomas Straight, and on the west by Miles Ives according to the first inventory of estates and possessions taken in 1639. In the third inventory, taken in 1646, George Parkhurst had replaced Thomas Straight as his neighbor on the east.
John Bigelow, spelled variously Biglo, Baguley, Biglough, among others.
Arrived in Massachusetts in about 1632, ship unknown, probably with his older sister, Elizabeth. 
Married 1) on October 30, 1642 at Watertown to Mary Warren, b. September 12, 1624, d. October 19, 1691 at Watertown; m. 2) on October 2, 1694 at Watertown to Sarah Bemis, b. January 15, 1643, d. 1712 at Watertown. 
Children of John and Mary (Warren) Bigelow, all born in Watertown, Middlesex County, Massachusetts.
Martha, b. April 1, 1662; d. unknown date; m. 1) 1686 to Thomas Olmsted, div. 1687; m. 2) Obadiah Woods of E. Hartford, Conn., who died 1712. Martha's family is uncertain, but she left several children.
July 14, 1703 at Watertown. Will proven July 23, 1703, the inventory of his estate amounted to ₤627-12-00. 
”The will of John Biglo in its entirety, is as follows:
”In the name of God amen. I John Biglo of Watertown in the county of Middlesex within her Majesties Province of the Massachusetts Bay in New England, being weeke of body but in sound disposing Memory prais be given to god for the same, Do make this my last will and testament in manner & form following, that is to say first and principally I resign my soul unto the mercy full hands of allmighty god my Creator assuredly hoping through the mercy of my blessed Saviour to obtain pardon remission of all my sins and my body I commit to the earth whence it was taken, to be decently buried by the discreshion of my executors hereinafter named and as for the worldly goods & estate the lord hath lone me I dispose thereof as follows:
”Imp. I give and bequeath unto Sarah my well beloved wife, and to her heirs & assigns forever, all the lands and movable estate, that was hers before our marriage, and forty pounds in money, twenty pounds of s'd money to be p'd her within one month after my decease and twenty pounds within one year after my dece's I give unto her forty pounds waight of good pork, three bushels of barley, and one bushel of indian corn, five pounds waight in butter and five pounds waight in Chees, and also two Sheep, and half the flax that shall be in the house at my Deces--and that to be in full satisfaction of her thirds,
”2ndly I give & bequeath to my eldest son John Biglo, & to his heirs & assigns forever, twenty pounds in money to be p'd within one year after my Deces, and in case my s'd son have an heir lawfully begotten of his own body, I give & bequeath his s'd heir twenty pounds in money to be p'd to him or her, when it shall be twenty one years of age, or day of marriage which shall first happen, but if it hapon my s'd son deces without an heir as above s'd, then my will is y't ye aboves'd twenty pounds be equally divided between my children then surviving.
”3rdly I give & bequeath unto my son Jonathan Biglo, and to his heirs & assigns forever, twenty five pounds in money to be p'd him within one year after my deces.
”4thly I give & bequeath to my son Daniell Biglo and to his heirs & assigns forever, twenty five pounds in money to be p'd him within one year after my deces.
”5thly I give & bequeath to my son Samuel Biglo and to his heirs & assigns forever ten pounds in money besides what he hath already had, to be p'd to him within one year after my deces.
”6thly I give and bequeath unto my son Joshua Biglo and to his heirs & assigns forever two parcels of lands lying on the westerly side of bow brook in s'd town. Purchased of Lieut Chas Hammond as may more fully appear by the deed of the same, and twenty five pounds in money, to be p'd him within one year after my deces.
”7thly I give & bequeath unto my son James Biglo fifteen pounds, which I lent him as may appear by a bond under his hand and seal, and I give & bequeath to my said son James's son James Biglo ten pounds in money to be p'd him if he shall live to the age of twenty one years, but if it so happen that he deces before s'd age, then ye s'd ten pounds to be equally divided between my s'd son James surviving children, when they shall be of the age of twenty one years or day of marriage which shall first happen.
”8thly I give & bequeath to my Daughter Mary Flagg and to her heirs & assigns forever, twenty five pounds in money to be p'd her within two years aft
“9thly I give & bequeath to my daughter Elizabeth Sterns' children twenty five pounds in money, to be p'd them, when they are twenty one years of age, or day of marriage which shall first happen.
”10thly. I give & bequeath to my daughter Sarah Learned, and assigns forever, twenty five pounds in money, within three years after my Deces.
”llthly. I give & bequeath to my daughter Martha wood's children, lawfully begotten of her own body, twenty five pounds in money to be p'd them equally alike, when they shall arrive at the age of twenty one years or day of marriage, which shall first happen.
”12th. I give & bequeath unto my daughter Abigail Herrington & to her heirs & assigns, twenty five pounds in money, to be p'd within four years after my deces.
”And I nominat, ordain, & appoint, my above s'd son Joshua Biglo and my son in law Isaac Larned my Sole Executors to see this my last will & testament performed and all the rest and residue of my estate not herein bequeathed, after all my just debts and funerall charges are p'd my will is that it be divided between my s'd executors, that is to say, two parts of three, to my s'd son Joshua, and one third to my son in law Isaac Leanerd, and do request my trusty and well beloved friend, Capt. Benj. Garfield to be my overseer of this my last will & testament, my s'd executors to allow him out of my estate for his cost & charges reasonable sattisfaction to his content, Revoking & making null & void all former or other wills by me heretofore made. In witness hereof I have hereunto set my hand & seal this fourth day of January one thousand seven hundred two/three, in the first year of the reign of our lady Anna, by the Grace of God over England & Queen.