WD
William Duffy — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Erie, Pennsylvania
Our Model Tree links this William Duffy across the 1910 and 1920 US Censuses in Erie, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1907), then head of a 7-person household.
Age 13
b. ~1907
Male
Son
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Erie, Pennsylvania |
| Surname | Duffy |
| Given Name | William H. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | New York |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | City Of Corry |
| Est. Birth Year | ~1907 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
7 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Arthur Duffy | Son | — | 23 | ~1897 |
| Margaret Duffy | Daughter | — | 19 | ~1901 |
| Margaret Duffy | Spouse | — | 53 | ~1867 |
| William Duffy | Head | — | 52 | ~1868 |
| Eleanor Duffy | Daughter | — | 17 | ~1903 |
| William Duffy | Son | — | 13 | ~1907 |
| Josephine Duffy | Daughter | — | 16 | ~1904 |
Census Appearances
1910
Erie, Pennsylvania
Son, age 4
Erie, Pennsylvania · implied b. ~1906 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duffy |
| Given Name | William C Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | New York |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Erie, Pennsylvania
Son, age 13
Erie, Pennsylvania · implied b. ~1907 — 7 household members
| Surname | Duffy |
| Given Name | William H. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | New York |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links William Duffy across 2 US Census years (1910 and 1920) in Erie, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
William Duffy
Son · 1920 · age 13 · b. ~1907 · Pennsylvania
★ You are viewing this record
Sibling
Josephine Duffy
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Duffy
Sibling · 1920 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Duffy
Sibling · 1920 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Duffy
Sibling · 1920 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Erie, Pennsylvania
Open full size
1920 US Federal Census — Erie, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1567unit:0033)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Esther Herron | 9 | Daughter | None | Pennsylvania |
| 52 | Alice H. Herron | 73 | Mother | None | Pennsylvania |
| 53 | Jenette Jaquins | 79 | Aunt | None | Pennsylvania |
| 54 | Wesley J. Young | 50 | Head | Janitor | Pennsylvania |
| 55 | Ida M. Young | 56 | Wife | None | Pennsylvania |
| 56 | Irving J. Young | 24 | Son | Spring Maker | Pennsylvania |
| 57 | Madeline Young | 21 | Daughter-in-law | None | New York |
| 58 | Marjorie Young | 1 | Granddaughter | — | Pennsylvania |
| 59 | L. Nelson Whitley | 40 | Head | Spring Maker | Pennsylvania |
| 60 | Florence M. Whitley | 35 | Wife | None | Michigan |
| 61 | Louise Whitley | 1 | Daughter | — | Pennsylvania |
| 62 | Florence Whitley | 57 | Mother | None | Pennsylvania |
| 63 | Nelson Dimmick | 43 | Head | Machine Hand | Pennsylvania |
| 64 | Minnie Dimmick | 41 | Wife | None | New York |
| 65 | Marion L. Dimmick | 20 | Daughter | Teacher | Pennsylvania |
| 66 | Gladys S. Dimmick | 17 | Daughter | Machine Hand | Pennsylvania |
| 67 | Elinore M. Dimmick | 14 | Daughter | None | New York |
| 68 | Karl G. Dimmick | 12 | Son | None | Pennsylvania |
| 69 | Dorothy M. Dimmick | 10 | Daughter | None | Pennsylvania |
| 70 | Jean Roy Dimmick | 8 | Son | None | Pennsylvania |
| 71 | Frank Wood | 58 | Head | Farmer | Pennsylvania |
| 72 | Cora J. Wood | 50 | Wife | Saleslady | Indiana |
| 73 | Charles C. Mixer | 31 | Son-in-law | Cutter | Pennsylvania |
| 74 | Jennie L. Mixer | 23 | Daughter | Saleslady | New York |
| 75 | Arnold Mixer | 12 | Step Grandson | None | Pennsylvania |
| 76 | Mary J. Jones | 69 | Mother-in-law | None | New York |
| 77 | William H. Duffy | 52 | Head | Traveling Salesman | New York |
| 78 | Margaret H. Duffy | 53 | Wife | None | Pennsylvania |
| 79 | Arthur Duffy | 23 | Son | U.S. Army | Pennsylvania |
| 80 | Margaret M. Duffy | 19 | Daughter | Student | Michigan |
| 81 | Eleanor Duffy | 17 | Daughter | None | Michigan |
| 82 | Josephine Duffy | 16 | Daughter | None | Michigan |
| 83 | William H. Jr. Duffy THIS PERSON | 13 | Son | None | Pennsylvania |
| 84 | George W. Patterson | 45 | Head | Manager | Missouri |
| 85 | Katherine L. Patterson | 45 | Wife | None | Pennsylvania |
| 86 | Katherine G. Patterson | 5 | Daughter | — | Pennsylvania |
| 87 | Jason S. Frost | 62 | Head | Rural Mail Carrier | New York |
| 88 | Harriet E. Frost | 54 | Wife | None | New York |
| 89 | Homer C. Matherlee | 21 | Head | Wood Cutter | Ohio |
| 90 | Alma B. Matherlee | 21 | Wife | None | West Virginia |
| 91 | Lloyd L. Matherlee | 2 | Son | — | Nebraska |
| 92 | Roy Matherlee | 0 | Son | — | Pennsylvania |
| 93 | Emma F. Matherlee | 62 | Aunt | None | Virginia |
| 94 | Henry J. King | 82 | Head | None | Pennsylvania |
| 95 | Francis E. King | 73 | Wife | None | New York |
| 96 | Margaret Meredith | 72 | Lodger | Seamstress | Canada |
| 97 | Ira W. Corum | 48 | Lodger | Painter | Pennsylvania |
| 98 | Charles E. Olds | 50 | Head | Vice Hand | Pennsylvania |
| 99 | Ida May Olds | 47 | Wife | None | Pennsylvania |
| 100 | Levernet King | 55 | Head | Shipper | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)