At her marriage to Symon Miller, Margaret Prosser was the widow of John Prosser, whose Will was filed 30 Jun 1677 in Rappahannock County,Virginia. Following the death of Symon Miller, Margaret Miller married Hugh French.

Margaret Miller had five husbands: John Prosser, Symon Miller, Hugh Frence, Daniel Gaines, and John Dangerfield.

Index to Marriages of Old Rappahannock and Essex Counties, Virginia,1655-1900, by Eva Eubank Wilkerson, contains the following entries:

1686, Miller, Simon, His relict married Hugh French (Book O 1, p. 248)

1686, French, Hugh, Married widow of Simon Miller (Book D 18, p. 326)