Publication: http://freepages.genealogy.rootsweb.ancestry.com/~maddenps/INVEM1.htm "Shipping records for assisted immigrants from Inverness Shire emigrants who came directly to New South Wales (Australia) and Moreton Bay (Queensland) from Inverness, Scotland, under the “assisted immigration” schemes of the day, to the end of 1859."
Citation Details:  George Fyfe
  Date of entry in original source: 1840
  Text: McINNES Peggy 1840 46 Moidart , Argyll Donald McGREGOR / Marian xx Father a labourer. ‎{+ husb=Donald,49 & 6 chn.}‎ R/C. Ship = George Fyfe

Margaret's parents are not listed as deceased, so are presumed to be living at departure in 1839.