JN
James Nicholson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this James Nicholson across the 1920, 1930 and 1940 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed), with identified parents James & James — first a son (b.~1904), then head of a 4-person household.
Age 26
b. ~1904
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Nicholson |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Laborer |
| Industry | Iron Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1904 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James Nicholson | Head | — | 60 | ~1870 |
| Franklin Nicholson | Son | — | 24 | ~1906 |
| Ella Nicholson | Spouse | — | 53 | ~1877 |
| James Nicholson | Son | — | 26 | ~1904 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 15
Allegheny, Pennsylvania · implied b. ~1905 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nicholson |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Steel Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 26
Allegheny, Pennsylvania · implied b. ~1904 — 4 household members
| Surname | Nicholson |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Iron Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Armstrong-County, Pennsylvania
Head, age 36
Armstrong-County, Pennsylvania · implied b. ~1904 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nicolson |
| Given Name | James H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Leechburg |
| 1935 Residence (County) | Armstrong |
| Occupation | Office Clerk |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1800 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| 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 Nicholson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Nicholson (~0.92 confidence) and father James Nicholson (~0.92 confidence) and mother Ella Nicholson (~0.92 confidence) and mother Ida Nicholson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Nicholson
b. ~1870
Source father
● Household
· direct · ~0.92
Father
James Nicholson
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Ella Nicholson
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Ida Nicholson
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Nicholson
Son · 1930 · age 26 · b. ~1904 · Pennsylvania
★ You are viewing this record
Sibling
Franklin Nicholson
Sibling · 1930 · age 24
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
1930 US Federal Census — Allegheny, Pennsylvania
Open full size
1930 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel1982:0797)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elizabeth Paul | 27 | Head | None | Pennsylvania |
| 2 | Charles Paul | 9 | Son | None | Pennsylvania |
| 3 | Pearl Paul | 7 | Daughter | None | Pennsylvania |
| 4 | Earl Paul | 4 | Son | None | Pennsylvania |
| 5 | Ethel Marshall | 38 | Head | Waitress | Pennsylvania |
| 6 | Lucille Marshall | 18 | Daughter | Waitress | Pennsylvania |
| 7 | Geraldine Marshall | 16 | Daughter | Waitress | Pennsylvania |
| 8 | Leo Schwat | 42 | Lodger | Laborer | Pennsylvania |
| 9 | William Carter | 37 | Head | Laborer | Pennsylvania |
| 10 | Margaret Carter | 29 | Wife | None | New York |
| 11 | William Carter | 9 | Son | None | Pennsylvania |
| 12 | George Carter | 2 | Son | None | Pennsylvania |
| 13 | Vera Carter | 0 | Daughter | None | Pennsylvania |
| 14 | Peter Frankovich | 40 | Head | Blacksmith | Lithuania |
| 15 | Bertha Frankovich | 33 | Wife | Proprietress | Lithuania |
| 16 | Olga Frankovich | 11 | Daughter | None | Pennsylvania |
| 17 | Edward Frankovich | 9 | Son | None | Pennsylvania |
| 18 | John Abram | 45 | Lodger | Laborer | Lithuania |
| 19 | Frank Yophus | 47 | Lodger | Tailor | Lithuania |
| 20 | Roy Hart | 33 | Lodger | Foreman | Ohio |
| 21 | Charles Hawkins | 70 | Head | None | England |
| 22 | Frances Hawkins | 65 | Wife | None | Pennsylvania |
| 23 | Thomas Hawkins | 34 | Son | None | Pennsylvania |
| 24 | Dorothy Hawkins | 22 | Daughter | Record Clerk | Pennsylvania |
| 25 | James Nicholson | 60 | Head | Laborer | Pennsylvania |
| 26 | Ella Nicholson | 53 | Wife | None | Pennsylvania |
| 27 | James Nicholson THIS PERSON | 26 | Son | Laborer | Pennsylvania |
| 28 | Franklin Nicholson | 24 | Son | Laborer | Pennsylvania |
| 29 | Robert Morrow | 27 | Head | Painter | Pennsylvania |
| 30 | Elma Morrow | 22 | Wife | None | Pennsylvania |
| 31 | Kasimer Zabela | 51 | Head | Proprietor | Lithuania |
| 32 | Mary Zabela | 43 | Wife | None | Lithuania |
| 33 | Bronis Zabela | 17 | Son | None | Pennsylvania |
| 34 | Kasimer Zabela | 14 | Son | None | Pennsylvania |
| 35 | Mary Zabela | 9 | Daughter | None | Pennsylvania |
| 36 | Stanley Zabela | 6 | Son | None | Pennsylvania |
| 37 | Anna Butin | 24 | Servant | Waitress | Lithuania |
| 38 | Patrick Pastorious | 33 | Head | Barber | New York |
| 39 | Helen Pastorious | 32 | Wife | None | Pennsylvania |
| 40 | William Pastorious | 13 | Son | None | Pennsylvania |
| 41 | Helen Pastorious | 7 | Daughter | None | Pennsylvania |
| 42 | Cornelia Lentz | 50 | Mother-in-law | None | Pennsylvania |
| 43 | Joseph Pastorious | 24 | Nephew | Barber | New York |
| 44 | Edward Thackwell | 47 | Head | Puddler | Wales |
| 45 | Sarah Thackwell | 41 | Wife | None | Wales |
| 46 | Peter Flonorgan | 50 | Lodger | Puddler | Ohio |
| 47 | Stanley Vitt | 30 | Head | Laborer | Pennsylvania |
| 48 | Anna Vitt | 27 | Wife | None | Pennsylvania |
| 49 | David Vitt | 2 | Son | None | Pennsylvania |
| 50 | — | None | — | — | — |
Pedigree Summary
James + 1 sibling
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)