JD
James Douglas — 1900 US Census Record
Linked across censuses1900 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this James Douglas across the 1900, 1910 and 1920 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1848), then head of a 2-person household.
Age 52
b. ~1848
Male
Head
Born: Pennsylvania
Married
1900 Census Record Details
| Census Year | 1900 |
| Location | Allegheny, Pennsylvania |
| Surname | Douglas |
| Given Name | James J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Birth Month | Oct |
| Birth Year | 1848 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Common Laborer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Common Laborer |
| Township / Ward | Mifflin Township |
| Est. Birth Year | ~1848 |
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.
2 people recorded at the same address in the 1900 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Douglas | Daughter | — | 25 | ~1875 |
| James Douglas | Head | — | 52 | ~1848 |
Census Appearances
1900
Allegheny, Pennsylvania
Head, age 52
Allegheny, Pennsylvania · implied b. ~1848 — 2 household members
| Surname | Douglas |
| Given Name | James J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Birth Month | Oct |
| Birth Year | 1848 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Common Laborer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1910
Allegheny, Pennsylvania
Other, age 61
Allegheny, Pennsylvania · implied b. ~1849 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Douglass |
| Given Name | James |
| Relationship to Head | father-in-law |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farmer |
| Industry | General farming |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Head, age 71
Allegheny, Pennsylvania · implied b. ~1849 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Douglass |
| Given Name | James A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 71 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| 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 Douglas across 3 US Census years (1900, 1910 and 1920) in Allegheny, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
James Douglas
Head · 1900 · age 52 · b. ~1848 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1900 US Federal Census — Allegheny, Pennsylvania
Open full size
1900 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1900:12thcensusofpopu1369unit:0680)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Samuel Jones | 55 | Head | Mine Boss | Wales |
| 2 | Anna Jones | 59 | Wife | |Yes | Pennsylvania |
| 3 | John W. Jones | 23 | Son | Mine Laborer | Pennsylvania |
| 4 | Elizabeth Ewing | 24 | Daughter | Sales Lady | Pennsylvania |
| 5 | John H. Griffith | 29 | Head | General Manager | Pennsylvania |
| 6 | Anna Griffith | 30 | Wife | |Yes | Pennsylvania |
| 7 | Robert Hardesty | 44 | Head | Steam Boat Engnr | Pennsylvania |
| 8 | Catherine Hardesty | 34 | Wife | |Yes | Pennsylvania |
| 9 | Charles W. Hardesty | 5 | Son | — | Pennsylvania |
| 10 | Robert Hardesty | 2 | Son | — | Pennsylvania |
| 11 | Bridget Ludergan | 70 | Mother in law | Retired | Ireland |
| 12 | Sarah Melly | 14 | Servant | Servant | Pennsylvania |
| 13 | George P. Smith | 50 | Head | Painter | Pennsylvania |
| 14 | Alice Smith | 42 | Wife | |Yes | Pennsylvania |
| 15 | Etta B. Smith | 20 | Daughter | |Yes | Pennsylvania |
| 16 | Ethel A. Smith | 14 | Daughter | At School | Pennsylvania |
| 17 | Anna J. Smith | 7 | Daughter | At School | Pennsylvania |
| 18 | Harry R. Smith | 4 | Son | — | Pennsylvania |
| 19 | John Hamston | 32 | Head | Plasterer | Pennsylvania |
| 20 | Lena Hamston | 28 | Wife | |Yes | Pennsylvania |
| 21 | Mildred Hamston | 9 | Daughter | At School | Pennsylvania |
| 22 | Marie Hamston | 2 | Daughter | — | Pennsylvania |
| 23 | Mark J. Cruze | 65 | Head | Common Laborer | Pennsylvania |
| 24 | Hannah Cruze | 55 | Wife | |Yes | Pennsylvania |
| 25 | George L. Cruze | 29 | Son | Station Agent | Pennsylvania |
| 26 | Sarah A. Cruze | 23 | Daughter | |Yes | Pennsylvania |
| 27 | William E. Smith | 38 | Head | Baker | Pennsylvania |
| 28 | Mary E. Smith | 36 | Wife | |Yes | Pennsylvania |
| 29 | George W. Smith | 15 | Son | At School | Pennsylvania |
| 30 | Bessie E. Smith | 12 | Daughter | At School | Pennsylvania |
| 31 | Alvin C. Smith | 6 | Son | — | Pennsylvania |
| 32 | Edna L. Smith | 2 | Daughter | — | Pennsylvania |
| 33 | Thomas Halpin | 62 | Head | Mine Laborer | Pennsylvania |
| 34 | Maria Halpin | 57 | Wife | |Yes | Pennsylvania |
| 35 | James J. Douglas THIS PERSON | 51 | Head | Common Laborer | Pennsylvania |
| 36 | Elizabeth Douglas | 24 | Daughter | School Teacher | Pennsylvania |
| 37 | Samuel H. Clark | 38 | Head | Mine Laborer | Pennsylvania |
| 38 | Mariah Mcconagie | 61 | Servant | House Keeper | Ireland |
| 39 | Frank Davis | 61 | Head | Coal Miner | Ohio |
| 40 | Nancy A. Davis | 56 | Wife | |Yes | Pennsylvania |
| 41 | George E. Davis | 26 | Son | Teamster | Pennsylvania |
| 42 | Ella Davis | 22 | Daughter | |Yes | Pennsylvania |
| 43 | Mirtal Davis | 18 | Daughter | |Yes | Pennsylvania |
| 44 | John Davis | 20 | Son | Common Laborer | Pennsylvania |
| 45 | Ethel Davis | 13 | Daughter | At School | Pennsylvania |
| 46 | David Lloyd | 45 | Head | Mine Laborer | Pennsylvania |
| 47 | Elizabeth Lloyd | 41 | Wife | |Yes | Pennsylvania |
| 48 | James Rossy | 23 | Head | Baker | Pennsylvania |
| 49 | Blanche Rossy | 23 | Wife | |Yes | Pennsylvania |
| 50 | Rubina E. Rossy | 0 | Daughter | — | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1900 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)