Been fascinated by genealogy for over 30 years. Would be interesting to hear of your finds. While not many Detroiters in the list below, here's my male line as far back as I've gotten, along with their ages at death:

Raymond Downing 1936 - ?
Rudolph A. Downing 1901-1961 Age 61
George D. Downing 1874-1951 Age 77
Benjamin H Downing 1841-1908 Age 67
John B. Downing 1817-1879 Age 62
Joseph Downing 1786-1822 Age 46
Thomas Downing 1758-1829 Age 71
Joseph Downing 1734-1804 Age 70
Thomas Downing 1691-1772 Age 81
Thomas Downing 1660-1739 Age 79
Edward Downing 1625-1683 Age 58
John Downing 1597-1632 Age 35
Thomas Downing 1618-1560 Age 42
John Downing 1530-?

What say you?