|--------
                      |
           |---------
           |          |
           |          |--------
           |
  |------Timothy MCGRATH (1831, Canada - 1912, Iowa)
  |        |
  |        |          |--------
  |        |          |
  |        |---------
  |                   |
  |                   |--------
  |
John Gerald MCGRATH (1866, Illinois - 1934, Iowa)
  |
  |                   |--------
  |                   |
  |        |---------Michael SHANNON (1800, Ireland - 1860, Ireland)
  |        |          |
  |        |          |--------
  |        |
  |------Honora SHANNON (1834, Ireland - 1909, Iowa)
           |
           |          |--------
           |          |
           |---------Mary NEYLON (1808, Ireland - Ireland)
                      |
                      |--------
Sources for this individual:  @S126@ @S698@ @S129@ @S272@ @S1021@ @S1826@