HC
Harry Cooper — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Harry Cooper across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents James & Ida — first a son (b.~1914), then head of a 3-person household.
Age 26
b. ~1914
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Cooper |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Clerk |
| Industry | Newspaper |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Clerk |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1914 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Ben Cooper | Son | — | 31 | ~1909 |
| Harry Cooper | Son | — | 26 | ~1914 |
| Jennie Cooper | Head | — | 55 | ~1885 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 8
Allegheny, Pennsylvania · implied b. ~1912 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Harry |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 18
Allegheny, Pennsylvania · implied b. ~1912 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | Clerk |
| Industry | Newspaper |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 26
Allegheny-County, Pennsylvania · implied b. ~1914 — 3 household members
| Surname | Cooper |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Occupation | Clerk |
| Industry | Newspaper |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| 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 Harry Cooper across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Cooper (~0.92 confidence) and mother Ida Cooper (~0.92 confidence) and mother Jennie Cooper (~0.92 confidence) and mother Jenny Cooper (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Cooper
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Ida Cooper
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Jennie Cooper
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Jenny Cooper
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Cooper
Son · 1940 · age 26 · b. ~1914 · Pennsylvania
★ You are viewing this record
Sibling
Ben Cooper
Sibling · 1940 · age 31
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-t0627-03659-00437)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Cora Van Orsdell | 65 | Sister | — | Pennsylvania |
| 42 | Russel Barone | 30 | Head | Machinist | Texas |
| 43 | Anna O. Barone | 27 | Wife | — | Pennsylvania |
| 44 | Rita Mae Barone | 3 | Daughter | — | Pennsylvania |
| 45 | Nellie O. Moore | 49 | Head | — | Norway |
| 46 | June Moore | 22 | Daughter | Secretary | Pennsylvania |
| 47 | James Moore | 21 | Son | Office Clerk | Pennsylvania |
| 48 | Robert Moore | 16 | Son | — | Pennsylvania |
| 49 | Peggy Moore | 8 | Daughter | — | Pennsylvania |
| 50 | Nancy Moore | 10 | Daughter | — | Pennsylvania |
| 51 | Jack Moore | 8 | Son | — | Pennsylvania |
| 52 | Charles Halliday | 62 | Head | Wood Turner | West Virginia |
| 53 | Bertha O. Halliday | 58 | Wife | — | West Virginia |
| 54 | Richard Halliday | 39 | Son | Painting | Pennsylvania |
| 55 | Joseph Halliday | 30 | Son | Painting | West Virginia |
| 56 | Virginia Halliday | 30 | Daughter | — | West Virginia |
| 57 | Ivan Halliday | 20 | Son | Shipper | Pennsylvania |
| 58 | David Meyers | 45 | Head | Clerk | Germany |
| 59 | Anna O. Meyers | 42 | Wife | — | Russia |
| 60 | George Meyers | 19 | Son | Salesman | Pennsylvania |
| 61 | Melvin Meyers | 14 | Son | — | Pennsylvania |
| 62 | Jack O. Adler | 28 | Head | Solicitor | Pennsylvania |
| 63 | Frances Adler | 25 | Wife | — | Ohio |
| 64 | Jerry Adler | 3 | Son | — | Pennsylvania |
| 65 | Jennie Cooper | 55 | Head | — | Russia |
| 66 | Ben O. Cooper | 31 | Son | Manager | Pennsylvania |
| 67 | Harry Cooper THIS PERSON | 26 | Son | Clerk | Pennsylvania |
| 68 | Ben Rosenberg | 34 | Head | Manager | Missouri |
| 69 | Ethel O. Rosenberg | 34 | Wife | — | Russia |
| 70 | Ruth Rosenberg | 9 | Daughter | — | Pennsylvania |
| 71 | Harry Levenson | 38 | Head | Manager | Pennsylvania |
| 72 | Rose Levenson | 36 | Wife | — | Russia |
| 73 | Rochelle Levenson | 7 | Daughter | — | Pennsylvania |
| 74 | Harry Levine | 23 | Brother-in-law | Clerk | Pennsylvania |
| 75 | Lawrence Catz | 30 | Head | Manager | Pennsylvania |
| 76 | Anne O. Catz | 28 | Wife | — | Pennsylvania |
| 77 | Eileen Catz | 3 | Daughter | — | Pennsylvania |
| 78 | Lawrence Sefton | 68 | Head | Furniture Pols. | Pennsylvania |
| 79 | Bessie M. Sefton | 65 | Wife | — | Pennsylvania |
| 80 | Emil Albiez | 69 | Head | Bartender | Germany |
Pedigree Summary
Harry + 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)