HC
Helen Cook — 1940 US Census Record
Model Tree available1940 United States Federal Census · Fayette-County, Pennsylvania
Our Model Tree links this Helen Cook across the 1920, 1930 and 1940 US Censuses in Fayette-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Emma & Robert — first a daughter (b.~1918), then head of a 2-person household.
Age 22
b. ~1918
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Fayette-County, Pennsylvania |
| Surname | Cook |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Menallen Twp. |
| 1935 Residence (County) | Fayette |
| Additional Details | |
| Occupation | Clerk |
| Industry | Retail Mdse. |
| Class of Worker | PW |
| Hours Worked | 7 |
| Income (1939) | 50 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Clerk |
| Township / Ward | Menallen Twp |
| Est. Birth Year | ~1918 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Robert Cook | Head | — | 69 | ~1871 |
| Helen Cook | Daughter | — | 22 | ~1918 |
Census Appearances
1920
Fayette, Pennsylvania
Daughter, age 1
Fayette, Pennsylvania · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Helen M. |
| 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 |
1930
Fayette, Pennsylvania
Daughter, age 12
Fayette, Pennsylvania · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | West Virginia |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Fayette-County, Pennsylvania
Daughter, age 22
Fayette-County, Pennsylvania · implied b. ~1918 — 2 household members
| Surname | Cook |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Menallen Twp. |
| 1935 Residence (County) | Fayette |
| Occupation | Clerk |
| Industry | Retail Mdse. |
| Class of Worker | PW |
| Hours Worked | 7 |
| Income (1939) | 50 |
| Highest Grade | H 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 Cook across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Emma Cook (~0.92 confidence) and father Robert Cook (~0.92 confidence) and father John Cook (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Emma Cook
b. ~1871
Source mother
● Household
· direct · ~0.92
Father
Robert Cook
b. ~1871
Source father
● Household
· direct · ~0.92
Father
John Cook
b. ~1874
Source father
● Household
· direct · ~0.92
This person
Anchor record
Helen Cook
Daughter · 1940 · age 22 · b. ~1918 · Pennsylvania
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Fayette-County, Pennsylvania
Open full size
1940 US Federal Census — Fayette-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03505-00716)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Lonsinger | 33 | Head | Laborer | Pennsylvania |
| 2 | Ioma Lonsinger | 30 | Wife | — | Pennsylvania |
| 3 | Wilbur Lonsinger | 10 | Son | — | Pennsylvania |
| 4 | Sue Lonsinger | 8 | Daughter | — | Pennsylvania |
| 5 | Phyllis Lonsinger | 6 | Daughter | — | Pennsylvania |
| 6 | Jan Lonsinger | 5 | Daughter | — | Pennsylvania |
| 7 | James Lonsinger | 3 | Son | — | Pennsylvania |
| 8 | Harry Lonsinger | 2 | Son | — | Pennsylvania |
| 9 | Danny Lonsinger | 2 | Son | — | Pennsylvania |
| 10 | Thomas Clark | 87 | Wife Uncle | Retired On Pension | Virginia |
| 11 | John Blake | 38 | Head | Insurance Agent | California |
| 12 | Mary Blake | 30 | Wife | — | Pennsylvania |
| 13 | John Blake | 12 | Son | — | Pennsylvania |
| 14 | Virginia Blake | 10 | Daughter | — | Pennsylvania |
| 15 | Nancy Blake | 9 | Daughter | — | Pennsylvania |
| 16 | Kathryn Blake | 7 | Daughter | — | Pennsylvania |
| 17 | George Blake | 5 | Son | — | Pennsylvania |
| 18 | James A. Holland | 70 | Head | Farmer | Pennsylvania |
| 19 | Mattie L. Holland | 62 | Wife | — | Pennsylvania |
| 20 | Sibwell Holland | 37 | Son | Farmer | Pennsylvania |
| 21 | Lenora Holland | 34 | Daughter | Cook | Pennsylvania |
| 22 | Lenora Holland | 39 | Daughter | Teacher | Pennsylvania |
| 23 | Emery Williams | 80 | Head | Retired On Pension | Pennsylvania |
| 24 | Andy Balis | 69 | Lodger | Farmer | Slovakia |
| 25 | John L. Williams | 64 | Head | Farmer Helper | Pennsylvania |
| 26 | Nora Williams | 56 | Wife | — | Pennsylvania |
| 27 | Edward Williams | 20 | Son | — | Pennsylvania |
| 28 | Howard Williams | 15 | Son | — | Pennsylvania |
| 29 | Grace Fear | 35 | Daughter | — | Pennsylvania |
| 30 | Kenneth Fear | 12 | Grand Son | — | Pennsylvania |
| 31 | Robert Cook | 69 | Head | — | Pennsylvania |
| 32 | Helen Cook THIS PERSON | 22 | Daughter | Clerk | Pennsylvania |
| 33 | James F. Grimes | 35 | Head | Laborer | Pennsylvania |
| 34 | Nora Grimes | 32 | Wife | — | Pennsylvania |
| 35 | Gerald Grimes | 2 | Son | — | Pennsylvania |
| 36 | Benjamin Grimes | 69 | Head | Farmer | Pennsylvania |
| 37 | Sarah E. Grimes | 61 | Wife | — | Pennsylvania |
| 38 | Harry S. Blake | 71 | Head | Farmer | Pennsylvania |
| 39 | Nellie Gribble | 34 | Daughter | — | Pennsylvania |
| 40 | Harry Gribble | 10 | Grandson | — | Pennsylvania |
Related Census Records
Pedigree Summary
Helen
Gen 1 · 3 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)