JC
James Collins — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this James Collins across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Cornelius & James — first a son (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Collins |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Pattern maker |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1500 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Pattern Maker |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1917 |
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 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Jean Collins | Daughter | — | 21 | ~1919 |
| James Collins | Head | — | 48 | ~1892 |
| James Henderson | Other | — | 58 | ~1882 |
| James Collins | Son | — | 23 | ~1917 |
| Frances Collins | Spouse | — | 42 | ~1898 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 1
Allegheny, Pennsylvania · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Collins |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 12
Allegheny, Pennsylvania · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Collins |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 23
Allegheny-County, Pennsylvania · implied b. ~1917 — 5 household members
| Surname | Collins |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Occupation | Pattern maker |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1500 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| 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 Collins across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Cornelius Collins (~0.92 confidence) and father James Collins (~0.92 confidence) and mother Frances Collins (~0.92 confidence) and mother Bernadette Collins (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Cornelius Collins
b. ~1890
Source father
● Household
· direct · ~0.92
Father
James Collins
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Frances Collins
b. ~1898
Source mother
● Household
· direct · ~0.92
Mother
Bernadette Collins
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Collins
Son · 1940 · age 23 · b. ~1917 · Pennsylvania
★ You are viewing this record
Sibling
Jean Collins
Sibling · 1940 · age 21
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
1940 US Federal Census — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03658-00449)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Hannah Sweeney | 74 | Sister-in-law | — | Eire |
| 2 | Mary Sweeney | 45 | Sister-in-law | — | Eire |
| 3 | Paul Ruppel | 23 | Head | Plumbing Supply Clerk | Pennsylvania |
| 4 | Elizabeth Ruppel | 22 | Wife | — | Pennsylvania |
| 5 | John Kumbacher | 42 | Head | Clerk | Pennsylvania |
| 6 | Esther Kumbacher | 37 | Wife | — | Pennsylvania |
| 7 | James Gorman | 74 | Head | — | Pennsylvania |
| 8 | Mary Gorman | 63 | Wife | — | Pennsylvania |
| 9 | Albert Hepler | 59 | Head | Credit Manager | Pennsylvania |
| 10 | Caroline Hepler | 60 | Wife | — | Pennsylvania |
| 11 | Elizabeth Mcglumphy | 71 | Lodger | — | Pennsylvania |
| 12 | John Staley | 56 | Head | Cashier | Pennsylvania |
| 13 | Katherine Staley | 56 | Wife | — | Pennsylvania |
| 14 | Regis Staley | 24 | Son | Clerk | Pennsylvania |
| 15 | Virginia Staley | 19 | Daughter | Stenographer | Pennsylvania |
| 16 | Francis Staley | 17 | Daughter | — | Pennsylvania |
| 17 | Francis Levies | 52 | Sister-in-law | — | Pennsylvania |
| 18 | Michael Diggin | 40 | Head | Policeman | Eire |
| 19 | Margaret Diggin | 32 | Wife | — | Eire |
| 20 | Eileen Diggin | 4 | Daughter | — | Pennsylvania |
| 21 | Joan Diggin | 2 | Daughter | — | Pennsylvania |
| 22 | Nora Murphy | 20 | Mother-in-law | Beautician | Eire |
| 23 | Emma Moran | 72 | Head | — | Missouri |
| 24 | Francis Moran | 31 | Son | Laborer | Pennsylvania |
| 25 | Patrick Joyce | 68 | Head | Investigator | West Virginia |
| 26 | Florence Joyce | 57 | Wife | — | Pennsylvania |
| 27 | Charles Williams | 65 | Head | Operator | Illinois |
| 28 | Kathryn Williams | 56 | Wife | — | Pennsylvania |
| 29 | William Friel | 64 | Lodger | Fireman | Pennsylvania |
| 30 | Vena Friel | 55 | Wife | — | Pennsylvania |
| 31 | James Collins | 48 | Head | Pattern Maker | Pennsylvania |
| 32 | Frances Collins | 42 | Wife | — | Pennsylvania |
| 33 | James Collins THIS PERSON | 23 | Son | Pattern Maker | Pennsylvania |
| 34 | Jean Collins | 21 | Daughter | Stenographer | Pennsylvania |
| 35 | James Henderson | 58 | Brother-in-law | Clerk | Pennsylvania |
| 36 | John Dutchman | 56 | Head | Organizer | Austria |
| 37 | Gondava Dutchman | 32 | Wife | — | Pennsylvania |
| 38 | Clarence Dutchman | 23 | Son | Clerk | Pennsylvania |
| 39 | Robert Dutchman | 20 | Son | Laborer | Pennsylvania |
| 40 | Lillian Dutchman | 13 | Daughter | — | Pennsylvania |
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 1940 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)