Four printings: 1) The third sermon in Six Sermons upon Severall Occasions, Preached before the King, and Elsewhere: by the Late Learned & Reverend Divine John Donne, Doctour in Divinitie, and Dean of S. Pauls, London (London, 1634), pp. 1-24; 2) "Sermon III. Preached at a Mariage," in Fifty Sermons, Preached by That Learned and Reverend Divine, John Donne, Dr in Divinity, Late Deane of the Cathedrall Church of S. Pauls London (London, 1649), pp. 15-22; 3) "Number 11: Preached at the Mariage [the marriage of Mistress Margaret Washington at the church of St. Clement Danes, May 30, 1621," in George R. Potter and Evelyn M. Simpson, eds., The Sermons of John Donne, vol. 3 (Berkeley and Los Angeles: University of California Press, 1957), pp. 241-255; 4) "Preached at a Mariage [the marriage of Mistress Margaret Washington at the church of St. Clement Danes, May 30, 1621]," in The Oxford Edition of the Sermons of John Donne, vol. 7, ed. Erica Longfellow (Oxford: Oxford University Press, forthcoming).
At the end is written, "Finis of a Sermon preach'd at St Clements danes by D: Dunn at Mr Washingtons marriage." The Oxford Edition website notes that this refers to Mistress Margaret Washingon.
Jeanne Shami; George R. Potter and Evelyn M. Simpson, eds., The Sermons of John Donne, vol. 1 (Berkeley and Los Angeles, CA: University of California Press, 1953), p. 36; Oxford Edition of the Sermons of John Donne web page (see link below).
Another manuscript copy is found in the St. Paul's manuscript, also known as the 'Chetwode MS' (St. Paul's Cathedral Library, MS 52.D.14). See Potter and Simpson, vol. 1, p. 36. Other manuscript witnesses are the 'Ellesmere' manuscript (Cambridge University Library, MS Add. 8469) and British Library, Harley MS 6946. Diplomatic transcriptions of these manuscripts are available at the 'Sermons in Manuscript' page on the OESJD website (link below).