HW
Helen Watson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Helen Watson across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 8-person household.
Age 16
b. ~1924
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Watson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Duquesne city |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Duquesne City |
| Est. Birth Year | ~1924 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Lillian Watson | Daughter | — | 13 | ~1927 |
| Naomi Watson | Daughter | — | 23 | ~1917 |
| Edith Watson | Daughter | — | 18 | ~1922 |
| Gerald Watson | Son | — | 22 | ~1918 |
| Thomas Watson | Head | — | 49 | ~1891 |
| Helen Watson | Daughter | — | 16 | ~1924 |
| Olivia Watson | Spouse | — | 48 | ~1892 |
| Thomas Watson | Son | — | 11 | ~1929 |
Census Appearances
1930
Allegheny, Pennsylvania
Daughter, age 5
Allegheny, Pennsylvania · implied b. ~1925 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Watson |
| Given Name | Harriet |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | New York |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Daughter, age 16
Allegheny-County, Pennsylvania · implied b. ~1924 — 8 household members
| Surname | Watson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Duquesne city |
| 1935 Residence (County) | Allegheny |
| Highest Grade | H 2 |
| 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 Watson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Helen Watson
Daughter · 1940 · age 16 · b. ~1924 · Pennsylvania
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Sibling
Thomas Watson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerald Watson
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Watson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Watson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Naomi Watson
Sibling · 1940 · age 23
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-t0627-03402-00216)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Novella Wallington | 45 | Wife | — | North Carolina |
| 42 | Lois Wallington | 28 | Daughter | Housekeeper | North Carolina |
| 43 | Howard Wallington | 4 | Son | 0 | New York |
| 44 | Florence Frazier | 13 | Cousin | — | North Carolina |
| 45 | Robert Carter | 38 | Lodger | Laborer | West Virginia |
| 46 | Rudolph Hughes | 38 | Lodger | Busket Maker | South Carolina |
| 47 | Frank M. Dolby | 40 | Head | Laborer Helper | Pennsylvania |
| 48 | Helen Dolby | 30 | Wife | — | Pennsylvania |
| 49 | Helen R. Dolby | 6 | Daughter | — | Pennsylvania |
| 50 | Frank Jr. Dolby | 4 | Son | — | Pennsylvania |
| 51 | Edward Byrne | 38 | Head | Laborer | Pennsylvania |
| 52 | Gladys Byrne | 34 | Wife | — | Indiana |
| 53 | Dorothy Byrne | 16 | Daughter | Waitress | Indiana |
| 54 | Edward Jr. Byrne | 13 | Son | — | Pennsylvania |
| 55 | Mary Byrne | 11 | Daughter | — | Pennsylvania |
| 56 | John Byrne | 7 | Son | — | Pennsylvania |
| 57 | James Byrne | 4 | Son | — | Pennsylvania |
| 58 | Monica Byrne | 32 | Sister | Inspector | Indiana |
| 59 | John Culshaw | 77 | Head | — | England |
| 60 | Robert Booth | 29 | Head | Truckman | Pennsylvania |
| 61 | Margaret Booth | 30 | Wife | — | Pennsylvania |
| 62 | Alberta Booth | 10 | Niece | — | Pennsylvania |
| 63 | James Booth | 6 | Niece | — | Pennsylvania |
| 64 | Clarence Mccallum | 25 | Head | — | North Carolina |
| 65 | Cleo Mccallum | 10 | Wife | — | Pennsylvania |
| 66 | Shirley Mccallum | 4 | Daughter | — | Pennsylvania |
| 67 | Sandra Mccallum | 3 | Son | — | Pennsylvania |
| 68 | George Medich | 53 | Head | Bar-Tender | Yugoslavia |
| 69 | Julia R. Medich | 43 | Wife | — | Pennsylvania |
| 70 | Mildred Medich | 19 | Daughter | New Worker | Pennsylvania |
| 71 | Steve Medich | 15 | Son | — | Pennsylvania |
| 72 | Maria Medich | 12 | Daughter | — | Pennsylvania |
| 73 | Thomas Watson | 49 | Head | Laborer | Virginia |
| 74 | Olivia Watson | 48 | Wife | — | Virginia |
| 75 | Edith Watson | 18 | Daughter | New Worker | Pennsylvania |
| 76 | Helen Watson THIS PERSON | 16 | Daughter | — | Pennsylvania |
| 77 | Lillian Watson | 13 | Daughter | — | Pennsylvania |
| 78 | Thomas Jr. Watson | 11 | Son | — | Pennsylvania |
| 79 | Gerald Watson | 22 | Son | Laborer | Virginia |
| 80 | Naomi Watson | 23 | Daughter | — | Michigan |
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)