“I have such a Poor Fackulty at making Leters,” she confessed.

He would have none of it. “Is there not a little Affectation in your Apology for the Incorrectness of your Writing?” he teased. “Perhaps it is rather fishing for commendation. You write better, in my Opinion, than most American Women.” He was, sadly, right.

She had one child after another; her husband, a saddler named Edward Mecom, grew ill, and may have lost his mind, as, most certainly, did two of her sons. She struggled, and failed, to keep them out of debtors’ prison, the almshouse, asylums. She took in boarders; she sewed bonnets. She had not a moment’s rest.

And still, she thirsted for knowledge. “I Read as much as I Dare,” she confided to her brother. She once asked him for a copy of “all the Political pieces” he had ever written. “I could as easily make a collection for you of all the past parings of my nails,” he joked. He sent her what he could; she read it all. But there was no way out.

They left very different paper trails. He wrote the story of his life, stirring and wry — the most important autobiography ever written. She wrote 14 pages of what she called her “Book of Ages.” It isn’t an autobiography; it is, instead, a litany of grief, a history, in brief, of a life lived rags to rags.

It begins: “Josiah Mecom their first Born on Wednesday June the 4: 1729 and Died May the 18-1730.” Each page records another heartbreak. “Died my Dear & Beloved Daughter Polly Mecom,” she wrote one dreadful day, adding, “The Lord giveth and the Lord taketh away oh may I never be so Rebelious as to Refuse Acquesing & saying from my hart Blessed be the Name of the Lord.”