HC
Helen Cooper — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Luzerne-County, Pennsylvania
Our Model Tree links this Helen Cooper across the 1930 and 1940 US Censuses in Luzerne-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 9-person household.
Age 11
b. ~1929
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Luzerne-County, Pennsylvania |
| Surname | Cooper |
| Given Name | Helen E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Nanticoke City |
| 1935 Residence (County) | Luzerne |
| Additional Details | |
| Highest Grade | 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Nanticoke City |
| Est. Birth Year | ~1929 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Gilbert Cooper | Son | — | 19 | ~1921 |
| Florence Cooper | Daughter | — | 14 | ~1926 |
| William Cooper | Son | — | 16 | ~1924 |
| Helen Cooper | Daughter | — | 11 | ~1929 |
| Isabella Cooper | Daughter | — | 4 | ~1936 |
| Marion Cooper | Daughter | — | 10 | ~1930 |
| John Cooper | Head | — | 49 | ~1891 |
| Ruth Cooper | Daughter | — | 7 | ~1933 |
| Florence Cooper | Spouse | — | 46 | ~1894 |
Census Appearances
1930
Luzerne, Pennsylvania
Daughter, age 1
Luzerne, Pennsylvania · implied b. ~1929 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| 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 |
1940
Luzerne-County, Pennsylvania
Daughter, age 11
Luzerne-County, Pennsylvania · implied b. ~1929 — 9 household members
| Surname | Cooper |
| Given Name | Helen E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Nanticoke City |
| 1935 Residence (County) | Luzerne |
| Highest Grade | 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 Helen Cooper across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Helen Cooper
Daughter · 1940 · age 11 · b. ~1929 · Pennsylvania
★ You are viewing this record
Sibling
Florence Cooper
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Isabella Cooper
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Cooper
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gilbert Cooper
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Cooper
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Cooper
Sibling · 1940 · 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
1940 US Federal Census — Luzerne-County, Pennsylvania
Open full size
1940 US Federal Census — Luzerne-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03556-00429)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dorothy Hatton | 18 | Daughter | No | Pennsylvania |
| 42 | Bertram Hatton | 16 | Son | No | Pennsylvania |
| 43 | William Hatton | 55 | Brother | No | Pennsylvania |
| 44 | Harry Warlow | 48 | Head | Laborer | Pennsylvania |
| 45 | Veda Warlow | 47 | Wife | No | Pennsylvania |
| 46 | Fred Gulliford | 35 | Head | Miner | Wales |
| 47 | Ellen Gulliford | 34 | Wife | No | Pennsylvania |
| 48 | Robert Gulliford | 9 | Son | — | Pennsylvania |
| 49 | Paul Gulliford | 7 | Son | — | Pennsylvania |
| 50 | Audrey Gulliford | 5 | Daughter | — | Pennsylvania |
| 51 | John Cooper | 49 | Head | Laborer | Pennsylvania |
| 52 | Florence Cooper | 46 | Wife | No | Pennsylvania |
| 53 | Gilbert Cooper | 19 | Son | Laborer | Pennsylvania |
| 54 | William Cooper | 16 | Son | No | Pennsylvania |
| 55 | Florence E. Cooper | 14 | Daughter | No | Pennsylvania |
| 56 | Helen E. Cooper THIS PERSON | 11 | Daughter | — | Pennsylvania |
| 57 | Marion M. Cooper | 10 | Daughter | — | Pennsylvania |
| 58 | Ruth A. Cooper | 7 | Daughter | — | Pennsylvania |
| 59 | Isabella D. Cooper | 4 | Daughter | — | Pennsylvania |
| 60 | George A. Stair | 38 | Head | Miner | Pennsylvania |
| 61 | Lavina Y. Stair | 39 | Wife | No | Pennsylvania |
| 62 | Donald Stair | 19 | Son | No | Pennsylvania |
| 63 | William Stair | 17 | Son | No | Pennsylvania |
| 64 | George A. Jr. Stair | 6 | Son | — | Pennsylvania |
| 65 | John Cimilewski | 42 | Head | Coal Dumper | Italy |
| 66 | Euphemia Cimilewski | 34 | Wife | No | Pennsylvania |
| 67 | Robert Cimilewski | 11 | Son | — | Pennsylvania |
| 68 | Gloria Cimilewski | 9 | Daughter | — | Pennsylvania |
| 69 | Leon Konicka | 69 | Head | No | Poland |
| 70 | Josephine Konicka | 40 | Daughter | No | Pennsylvania |
| 71 | Shirley Jones | 38 | Son-in-law | Laborer | Wales |
| 72 | Katherine Jones | 34 | Daughter | No | Pennsylvania |
| 73 | Katherine Jones | 2 | Granddaughter | — | Pennsylvania |
| 74 | Victor Bogamowicz | 55 | Head | No | Poland |
| 75 | Anna Bogamowicz | 59 | Wife | No | Poland |
| 76 | Alexander Bogamowicz | 26 | Son | No | Pennsylvania |
| 77 | Agnes Legins | 32 | Daughter | Sack Layer | Pennsylvania |
| 78 | Jean Legins | 24 | Daughter | Wrapping Bags | Pennsylvania |
| 79 | Thomas Legins | 6 | Son-in-law | — | Pennsylvania |
| 80 | Patricia Legins | 3 | Granddaughter | — | Pennsylvania |
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)