Mary Lascelles

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Mary Lascelles, daughter of Edward Lascelles, Esq. and Mary (…), was born about 1662.1 She died at Yorkshire, England, 28 October 1734, at age 721,2,3 and was buried at Northallerton, Yorkshire, England.1

Mary married (1) Thomas Osbourn, whose ancestry is unknown (or not traced here), at the Church of St. Peter-le-Poer, London, England, 21 May 1694;1 she married (2), as his 2nd wife, Daniel Lascelles, M.P., son of Colonel Francis Lascelles, M.P. and Frances Saint Quintin, at the Church of St. Christopher-le-Stocks, London, England, 23 April 1702.1,2

She was named in two wills:
First, in the will of her father in 1699, as "…my daughter, Mary Osburn widow…"
Second, in the will of her sister Phebe in 1726, as "…my Dear Sister, Mrs Mary Lascelles wife of Daniel Lascells, Esq.…."4,5

Family 1

Thomas Osbourn d. bef. 5 May 1699

Family 2

Daniel Lascelles, M.P. b. 6 Nov 1655, d. 5 Sep 1734
This person was last edited on30 Sep 2021


  1. [S934] Richard K. Evans, The Ancestry of Diana, Princess of Wales: For Twelve Generations (Boston, Massachusetts: New England Historic Genealogical Society, 2007), 125, further cited as Evans, The Ancestry of Diana, Princess of Wales.
  2. [S950] Joseph Foster, Pedigrees of the County Families of Yorkshire (Two vols., London: W. Wilfred Head, 1874), 1:2:Lascelles, further cited as Foster, Pedigrees of Yorkshire.
  3. [S937] Sir Egerton Brydges, Collins's Peerage of England; Genealogical, Biographical, and Historical: Greatly Augmented, and Continued to the Present Time, 9 vols. (London: [T. Bensley], 1812), 8:512, further cited as Brydges, Collins's Peerage.
  4. [S949], England & Wales, Prerogative Court of Canterbury Wills, 1384-1858 (on-line database & images), Edri Lascelles, 1700, Original data: Records of the Prerogative Court of Canterbury, Series PROB 11, Kew, England: The National Archives, further cited as PCC Wills & Probate.
  5. [S949] "PCC Wills & Probate," Phebis Lascells, 1725.