JD
James Duffy — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Lee, Illinois
Our Model Tree links this James Duffy across the 1900, 1910 and 1920 US Censuses in Lee, Illinois (XGBoost, ~Confirmed) — first a head (b.~1855), then head of a 5-person household.
Age 65
b. ~1855
Male
Head
Born: Pennsylvania
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Lee, Illinois |
| Surname | Duffy |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | Emp |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Farmer |
| Township / Ward | May Township |
| Est. Birth Year | ~1855 |
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.
5 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Kathryn Duffy | Daughter | — | 28 | ~1892 |
| Cecelia Duffy | Daughter | — | 12 | ~1908 |
| James Duffy | Head | — | 65 | ~1855 |
| Vincent Duffy | Son | — | 18 | ~1902 |
| Margaret Duffy | Spouse | — | 54 | ~1866 |
Census Appearances
1900
Lee, Illinois
Head, age 46
Lee, Illinois · implied b. ~1854 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duffy |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Birth Month | Sept |
| Birth Year | 1854 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Farmer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1910
Lee, Illinois
Head, age 54
Lee, Illinois · implied b. ~1856 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duffy |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Years Married | 19 |
| Father's Birthplace | English |
| Mother's Birthplace | English |
| Occupation | Farmer |
| Industry | General Farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Lee, Illinois
Head, age 65
Lee, Illinois · implied b. ~1855 — 5 household members
| Surname | Duffy |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | Emp |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| 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 James Duffy across 3 US Census years (1900, 1910 and 1920) in Lee, Illinois, using XGBoost record linkage.
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This person
Anchor record
James Duffy
Head · 1920 · age 65 · b. ~1855 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Lee, Illinois
Open full size
1920 US Federal Census — Lee, Illinois
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu382unit:0970)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thomas Meeker | 45 | Head | Farmer | Illinois |
| 2 | Andrew Becker | 52 | Head | Farmer | Illinois |
| 3 | Fredrick King | 45 | Head | Farmer | Illinois |
| 4 | Mary King | 39 | Wife | — | Germany |
| 5 | Clara King | 11 | Daughter | — | Illinois |
| 6 | Thelma King | 4 | Daughter | — | Illinois |
| 7 | Walter King | 2 | Son | — | Illinois |
| 8 | Kathryn Baer | 43 | Head | Farmer | Ohio |
| 9 | Earl Baer | 19 | Son | Laborer | Ohio |
| 10 | George Baer | 16 | Son | Laborer | Ohio |
| 11 | Marcella Baer | 14 | Daughter | — | Ohio |
| 12 | Frank Newhausen | 39 | Head | Farmer | Illinois |
| 13 | Susie Newhausen | 34 | Wife | — | Illinois |
| 14 | Francis Newhausen | 15 | Son | — | Illinois |
| 15 | Anna Newhausen | 13 | Daughter | — | Illinois |
| 16 | Iris Newhausen | 11 | Daughter | — | Illinois |
| 17 | Olive Newhausen | 9 | Daughter | — | Illinois |
| 18 | Hubert Newhausen | 7 | Son | — | Illinois |
| 19 | Ruth Newhausen | 2 | Daughter | — | Illinois |
| 20 | Jacob Becker | 57 | Head | Farmer | Illinois |
| 21 | Mary Becker | 57 | Wife | — | Illinois |
| 22 | William Becker | 22 | Son | Farmer | Illinois |
| 23 | Agnes Becker | 17 | Daughter | — | Illinois |
| 24 | Charles Eccles | 52 | Head | Farmer | Illinois |
| 25 | Roy Eccles | 23 | Son | Farmer | Illinois |
| 26 | Frank Eccles | 20 | Son | Laborer | Illinois |
| 27 | Loretta Eccles | 17 | Daughter | — | Illinois |
| 28 | Lillian Eccles | 12 | Daughter | — | Illinois |
| 29 | Edna Webb | 16 | Servant | House Keeper | Illinois |
| 30 | John Dulem | 26 | Head | Farmer | Illinois |
| 31 | Edward Simmons | 60 | Hired man | Laborer | Illinois |
| 32 | Hugh Mcbride | 52 | Head | Farmer | Illinois |
| 33 | Anna Mcbride | 48 | Wife | — | Illinois |
| 34 | Gertrude Mcbride | 15 | Daughter | — | Illinois |
| 35 | Josephine Mcbride | 14 | Daughter | — | Illinois |
| 36 | James Mcbride | 11 | Son | — | Illinois |
| 37 | Donald Mcbride | 9 | Son | — | Illinois |
| 38 | Martin Reis | 55 | Head | Farmer | Illinois |
| 39 | Peter Mccullough | 57 | Head | Farmer | Illinois |
| 40 | Philip Groth | 50 | Head | Farmer | Illinois |
| 41 | James Groth | 23 | Son | Laborer | Illinois |
| 42 | James Duffy THIS PERSON | 65 | Head | Farmer | Pennsylvania |
| 43 | Margaret Duffy | 54 | Wife | — | Illinois |
| 44 | Kathryn Duffy | 28 | Daughter | Laborer | Illinois |
| 45 | Vincent Duffy | 18 | Son | Laborer | Illinois |
| 46 | Cecelia Duffy | 12 | Daughter | — | Illinois |
| 47 | Jacob A. Becker | None | Head | Farmer | Illinois |
| 48 | John Sweeney | 66 | Boarder | — | Illinois |
| 49 | Edward Meeker | 42 | Head | Farmer | Illinois |
| 50 | Mary Meeker | 40 | Wife | — | Illinois |
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)