HJ
Helen Jackson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Helen Jackson across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Anthony & Harry — first a daughter (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Jackson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Shaler Township |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Asphalt Co. |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 800 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Bookkeeper |
| Township / Ward | Shaler Township |
| 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 Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen Jackson | Daughter | — | 23 | ~1917 |
| Anthony Jackson | Head | — | 64 | ~1876 |
| Lillian Jackson | Other | — | 25 | ~1915 |
| Anthony Jackson | Son | — | 25 | ~1915 |
| Helen Jackson | Spouse | — | 54 | ~1886 |
Census Appearances
1920
Allegheny, Pennsylvania
Daughter, age 3
Allegheny, Pennsylvania · implied b. ~1917 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | North Carolina |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Daughter, age 13
Allegheny, Pennsylvania · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Helen |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Daughter, age 23
Allegheny-County, Pennsylvania · implied b. ~1917 — 5 household members
| Surname | Jackson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Shaler Township |
| 1935 Residence (County) | Allegheny |
| Occupation | Bookkeeper |
| Industry | Asphalt Co. |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 800 |
| Highest Grade | H-4 |
| 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 Helen Jackson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Anthony Jackson (~0.92 confidence) and father Harry Jackson (~0.92 confidence) and mother Helen Jackson (~0.92 confidence) and mother Elsie Jackson (~0.92 confidence) and father Clarence Jackson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Anthony Jackson
b. ~1876
Source father
● Household
· direct · ~0.92
Father
Harry Jackson
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Helen Jackson
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Elsie Jackson
b. ~1889
Source mother
● Household
· direct · ~0.92
Father
Clarence Jackson
b. ~1897
Source father
● Household
· direct · ~0.92
This person
Anchor record
Helen Jackson
Daughter · 1940 · age 23 · b. ~1917 · Pennsylvania
★ You are viewing this record
Sibling
Anthony Jackson
Sibling · 1940 · age 25
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-t0627-03417-00353)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Christy Imhoff | 23 | Wife | 0 | Pennsylvania |
| 2 | Audrey Imhoff | 5 | Daughter | — | Pennsylvania |
| 3 | Loretta Imhoff | 2 | Daughter | — | Pennsylvania |
| 4 | Walter Jr. Imhoff | 0 | Son | — | Pennsylvania |
| 5 | Frederick Schiefelbein | 40 | Head | Laborer | Pennsylvania |
| 6 | Marie Schiefelbein | 35 | Wife | 0 | Pennsylvania |
| 7 | Dorothy Schiefelbein | 16 | Daughter | 0 | Pennsylvania |
| 8 | Harry Roth | 50 | Head | Proprietor | Pennsylvania |
| 9 | Blanche Roth | 40 | Wife | 0 | Pennsylvania |
| 10 | George Roth | 18 | Son | 0 | Pennsylvania |
| 11 | William Roth | 15 | Son | 0 | Pennsylvania |
| 12 | Harry E. Roth | 13 | Son | 0 | Pennsylvania |
| 13 | Josephine Roth | 11 | Daughter | 0 | Pennsylvania |
| 14 | Chris Lutz | 44 | Head | Electrical Engineer | Pennsylvania |
| 15 | Lillian Lutz | 43 | Wife | 0 | Pennsylvania |
| 16 | Virginia Lutz | 14 | Daughter | 0 | Pennsylvania |
| 17 | Harry Gibson | 45 | Head | Carpenter Contractor | Pennsylvania |
| 18 | Gertrude Gibson | 40 | Wife | 0 | Pennsylvania |
| 19 | Bertha Terres | 40 | Head | 0 | Pennsylvania |
| 20 | Betty Jane Terres | 18 | Daughter | New Worker | Pennsylvania |
| 21 | Eleanor Ruth Terres | 15 | Daughter | 0 | Pennsylvania |
| 22 | August Behr | 47 | Head | Wood Carpenter | Pennsylvania |
| 23 | Emma Behr | 47 | Wife | 0 | Pennsylvania |
| 24 | June Behr | 9 | Daughter | — | Pennsylvania |
| 25 | Edward Silbach | 62 | Head | 0 | Germany |
| 26 | Mary Silbach | 62 | Wife | Homework | Checkoslovakia |
| 27 | Anthony Jackson | 64 | Head | 0 | Yugoslavia |
| 28 | Helen Jackson | 54 | Wife | 0 | Yugoslavia |
| 29 | Anthony Jackson | 25 | Son | Laborer | Pennsylvania |
| 30 | Lillian Jackson | 25 | Daughter-in-law | Stenographer | New York |
| 31 | Helen Jackson THIS PERSON | 23 | Daughter | Bookkeeper | Pennsylvania |
| 32 | John Yobot | 40 | Head | Laborer | Pennsylvania |
| 33 | Emma Yobot | 35 | Wife | 0 | Pennsylvania |
| 34 | Walter Yobot | 16 | Son | New Worker | Pennsylvania |
| 35 | Edna Yobot | 14 | Daughter | 0 | Pennsylvania |
| 36 | Harry Yobot | 11 | Son | — | Pennsylvania |
| 37 | Alice Yobot | 7 | Daughter | — | Pennsylvania |
| 38 | Robert Yobot | 3 | Son | — | Pennsylvania |
| 39 | John Yobot | 1 | Son | — | Pennsylvania |
| 40 | John Ponder | 29 | Head | Laborer | Pennsylvania |
Pedigree Summary
Helen + 1 sibling
Gen 1 · 5 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)