From the Notebooks and Unpublished Prose Manuscripts and The Collected Writings of Walt Whitman, Louisa Van Velsor and Walter Whitman's son, there are some references made to Mary Kossabone as the wife of Garret Van Velsor.Garret, the father of Cornelius and grandfather of Louisa.
WW had done some geneaological studying himself during the years of 1853/4 and 1881 some with a Dr. Allen Bucke for the background of his book, "Specimen Days".This Dr. Bucke also wrote a book entitled "Walt Whitman", which I have not seen or read.During his search, WW wrote down some genealogical notes.
I find his information on Mary Kossabone to be a bit cloudy, but I thought I would share it with any viewers here. A big thanks to Clay for this info.Because of this cloudiness, Iam doubtfull that Mary Kossabone actually was Garret's wife. There may have been some confusion to WW of which Van Velsors married the Karseboom/Cossiboom/Cossabone family and how the old story of old "Salt Cossibone" passed down from his mother, Louisa Van Velsor during her stories to him.
According to familysearch records and records that I have found, there was a Sarah Vonvolser that married a David Karseboom.David died at sea.
Then there is John, the son of Daniel (The Loyalist) who married Marion/Maron Cossiboom.
I have found nothing to substantiate the idea that Garret Van Velsor married a Mary Cossibone, except a couple of hand written gen charts by unknown authors and these notes by WW.
Here are WW's notes:
Major Cornelius Van Velsor born 1758 died August 1837 aged 79.He was the son of Garret Van Velsor.
Garret Van Velsor, died 1812 (Phebe Akely:Jenny Kossabon) *Footnote - Delete "Jenny Kossabon".The Geneological chart prepared by Bucke names Mary Kossabone as the wife of Garret.No other reference to Phebe Akely has been found.
Garret Van Velsor died aged 70 when mother was 18 years old ?Mary Kossabone died two or three years before mother was born & our great grand mother.
the Kossabones were a good family
the above had six children, three boys and three girls & grandfather Van Velsor was the second son.
our great grandmother Garret's wife was a superior woman, she died quite suddenly--Garret Van Velsor lived some twenty years after--his trade was that of weaver of cloth--