| Harrison James Averill |
 |
| B: |
9 Feb 1890 |
| P: |
Jamestown, Chautauqua, New York |
| D: |
1 Apr 1911 |
| P: |
Busti, Chautauqua, New York |
|
| Stephen C. Averill |
|
| B: |
1857 |
| P: |
, , Pennsylvania |
| M: |
|
| P: |
|
| D: |
13 Jan 1926 |
| P: |
, San Mateo, California |
|
| Stephen Averill |
|
| B: |
9 Sep 1828 |
| P: |
North East, Erie, Pennsylvania |
| M: |
|
| P: |
|
| D: |
29 Dec 1906 |
| P: |
, Chautauqua, New York |
|
| Stephen Averill |
|
| B: |
13 Jul 1795 |
| P: |
Windham, Windham, Connecticut |
| M: |
1819 |
| P: |
|
| D: |
3 Feb 1842 |
| P: |
North East, Erie, Pennsylvania |
|
| William L. Averill |
=> |
|
| B: |
1748 |
| P: |
Preston, New London, Connecticut |
| M: |
20 Jan 1779 |
| P: |
Preston, New London, Connecticut |
| D: |
|
| P: |
|
|
1890 - 1911 (21 years)