Most genealogical software will have some type of report showing statistics of your family's data. This is just one example of the countless possibilities.
NOTE: when looking at the below statistics, remember that there are cases where cousins (i.e. second, third, etc.) marry, or, where siblings in one family marry siblings of another family (e.g. the brothers Johnson marry sisters Smith), there is a common ancestor through each line. These common ancestors are also known as DOUBLE ANCESTORS. There are cases where a couple could be on the family tree in three branches, thus are TRIPLE ANCESTORS.
Family Family # of Missing # Double # Never # of # of
Code Group Ancestors Surnames Ancestors in U.S. Immigrants Surnames
------ -------- --------- --------- --------- ------- ---------- --------
W WILSON 21 2 0 0 1 7
D DAVIES 22 1 0 0 3 10
S SEARLS 27 0 8 0 2 13
O DOUGLASS 205 32 10 67 63 72
M MOORE 277 45 37 65 98 89
I MILLER 310 71 44 85 86 89
-------- --------- --------- --------- ------- ---------- --------
Totals: 862 148 99 217 253 280
