JW
James Welsh — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this James Welsh across the 1910 and 1920 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1906), then head of a 5-person household.
Age 14
b. ~1906
Male
Son
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Allegheny, Pennsylvania |
| Surname | Welsh |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| 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 Pittsburgh |
| Est. Birth Year | ~1906 |
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 |
|---|---|---|---|---|
| James Welsh | Son | — | 14 | ~1906 |
| Nora Welsh | Spouse | — | 47 | ~1873 |
| John Welsh | Head | — | 48 | ~1872 |
| Andrew Welsh | Son | — | 10 | ~1910 |
| Mary Welsh | Daughter | — | 16 | ~1904 |
Census Appearances
1910
Allegheny, Pennsylvania
Son, age 4
Allegheny, Pennsylvania · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Welsh |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Son, age 14
Allegheny, Pennsylvania · implied b. ~1906 — 5 household members
| Surname | Welsh |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| 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 James Welsh across 2 US Census years (1910 and 1920) in Allegheny, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
James Welsh
Son · 1920 · age 14 · b. ~1906 · Pennsylvania
★ You are viewing this record
Sibling
Andrew Welsh
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Welsh
Sibling · 1920 · age 16
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 — Allegheny, Pennsylvania
Open full size
1920 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1517unit:0448)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Albert Mcdermott | 29 | Son-in-law | Layout | Pennsylvania |
| 52 | Walter Mcdermott | 22 | Son-in-law | Helper | Pennsylvania |
| 53 | John Welsh | 48 | Head | Laborer | Ireland |
| 54 | Nora Welsh | 47 | Wife | — | Ireland |
| 55 | Mary Welsh | 16 | Daughter | — | Pennsylvania |
| 56 | James Welsh THIS PERSON | 14 | Son | None | Pennsylvania |
| 57 | Andrew Welsh | 10 | Son | None | Pennsylvania |
| 58 | Ernest Peterson | 24 | Head | Pressman | Pennsylvania |
| 59 | Floyd Peterson | 15 | Brother | None | Pennsylvania |
| 60 | Malvina Peterson | 53 | Mother | — | Sweden |
| 61 | Charles Larrick | 51 | Head | — | Pennsylvania |
| 62 | Madeline Larrick | 51 | Wife | — | Pennsylvania |
| 63 | William M. Larrick | 23 | Son | Sheetmetal | Pennsylvania |
| 64 | Ambrose Larrick | 21 | Son | Clerk | Pennsylvania |
| 65 | Ruth Larrick | 21 | Daughter-in-law | — | Pennsylvania |
| 66 | Ed. Albinger | 28 | Head | Conductor | Pennsylvania |
| 67 | Jennie Albinger | 26 | Wife | — | Pennsylvania |
| 68 | Ed. Albinger | 8 | Son | None | Pennsylvania |
| 69 | Charles Albinger | 6 | Son | None | Pennsylvania |
| 70 | Raymond Albinger | 3 | Son | None | Pennsylvania |
| 71 | Morgan Thomas | 35 | Head | Machinist | Wales |
| 72 | Mary Thomas | 31 | Wife | — | Germany |
| 73 | Rose Marie Thomas | 2 | Daughter | None | Pennsylvania |
| 74 | Ellis Byrnes | 60 | Head | None | Pennsylvania |
| 75 | Leo Byrnes | 32 | Son | Undertaker | Pennsylvania |
| 76 | Rita Byrnes | 26 | Daughter | — | Pennsylvania |
| 77 | Nils Lundell | 60 | Head | Meat Inspector | Sweden |
| 78 | Catherine M. Lundell | 48 | Wife | — | Pennsylvania |
| 79 | Edward S. Lundell | 24 | Son | Butcher | Pennsylvania |
| 80 | Walter Tony | 37 | Head | Teller | Maryland |
| 81 | Rezia Tony | 25 | Wife | None | Pennsylvania |
| 82 | Lillian Tony | 5 | Daughter | None | Pennsylvania |
| 83 | Walter Tony | 3 | Son | None | Pennsylvania |
| 84 | John Tony | 1 | Son | None | Pennsylvania |
| 85 | Thomas Corr | 39 | Head | Laborer | Pennsylvania |
| 86 | Mary Corr | 35 | Wife | None | Pennsylvania |
| 87 | William Corr | 8 | Son | None | Pennsylvania |
| 88 | Gertrude Corr | 6 | Daughter | None | Pennsylvania |
| 89 | Mary Corr | 3 | Daughter | None | Pennsylvania |
| 90 | John Corr | 2 | Son | None | Pennsylvania |
| 91 | Calvin W. J. C. Logan | 71 | Head | — | Pennsylvania |
| 92 | Nancy Logan | 67 | Wife | — | Pennsylvania |
| 93 | George W. Logan | 30 | Son | Draftsman | Pennsylvania |
| 94 | Jennie Logan | 32 | Daughter | — | Pennsylvania |
| 95 | Anna Logan | 28 | Daughter | Stenographer | Pennsylvania |
| 96 | Carl Niquist | 39 | Head | Laborer | Sweden |
| 97 | Marie Niquist | 36 | Wife | — | Sweden |
| 98 | Bertha Niquist | 15 | Daughter | None | Pennsylvania |
| 99 | Carl Niquist | 12 | Son | None | Pennsylvania |
| 100 | Anna Niquist | 9 | Daughter | None | 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)