HW
Helen Watson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Montgomery-County, Pennsylvania
Our Model Tree links this Helen Watson across the 1920, 1930 and 1940 US Censuses in Montgomery-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Thomas & Thomas — first a daughter (b.~1919), then head of a 8-person household.
Age 21
b. ~1919
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Pennsylvania |
| Surname | Watson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Conshohocken |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Occupation | New worker |
| Hours Worked | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | New Worker |
| Township / Ward | Conshohocken |
| Est. Birth Year | ~1919 |
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 |
|---|---|---|---|---|
| Joseph Watson | Son | — | 9 | ~1931 |
| Gerald Watson | Son | — | 18 | ~1922 |
| James Watson | Son | — | 14 | ~1926 |
| Jeanette Watson | Daughter | — | 25 | ~1915 |
| Francis Watson | Son | — | 17 | ~1923 |
| Thomas Watson | Head | — | 61 | ~1879 |
| Sarah Watson | Spouse | — | 52 | ~1888 |
| Helen Watson | Daughter | — | 21 | ~1919 |
Census Appearances
1920
Montgomery, Pennsylvania
Daughter, age 1
Montgomery, Pennsylvania · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Watson |
| 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 |
1930
Montgomery, Pennsylvania
Daughter, age 11
Montgomery, Pennsylvania · implied b. ~1919 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Watson |
| Given Name | Helen R. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Montgomery-County, Pennsylvania
Daughter, age 21
Montgomery-County, Pennsylvania · implied b. ~1919 — 8 household members
| Surname | Watson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Conshohocken |
| 1935 Residence (County) | Montgomery |
| Occupation | New worker |
| Hours Worked | 0 |
| Highest Grade | No 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 Watson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Watson (~0.92 confidence) and father Thomas Watson (~0.92 confidence) and father Thomas Watson (~0.92 confidence) and mother Sarah Watson (~0.92 confidence) and mother Sarah Watson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Watson
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Thomas Watson
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Thomas Watson
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Sarah Watson
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Sarah Watson
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Watson
Daughter · 1940 · age 21 · b. ~1919 · Pennsylvania
★ You are viewing this record
Sibling
Gerald Watson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Watson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jeanette Watson
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Watson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Watson
Sibling · 1940 · age 14
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 — Montgomery-County, Pennsylvania
Open full size
1940 US Federal Census — Montgomery-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03578-00225)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Enrico Martinelli | 61 | Head | Stone Mason | Italy |
| 42 | Mary Martinelli | 50 | Wife | Housewife | Italy |
| 43 | Margaret Martinelli | 23 | Daughter | Packer | Pennsylvania |
| 44 | Emma Martinelli | 19 | Daughter | Saleslady | Pennsylvania |
| 45 | Fred Martinelli | 17 | Son | — | Pennsylvania |
| 46 | George Martinelli | 14 | Son | — | Pennsylvania |
| 47 | Joseph Martinelli | 11 | Son | — | Pennsylvania |
| 48 | Gertrude Martinelli | 9 | Daughter | — | Pennsylvania |
| 49 | Dora Goldberg | 31 | Daughter | Waitress | Pennsylvania |
| 50 | Rita Masic | 12 | Granddaughter | — | Pennsylvania |
| 51 | Harry Goldberg | 2 | Grandson | — | Pennsylvania |
| 52 | Thomas Watson | 61 | Head | Engineer | Pennsylvania |
| 53 | Sarah Watson | 52 | Wife | Housewife | Pennsylvania |
| 54 | Jeanette Watson | 25 | Daughter | Wheeling | Pennsylvania |
| 55 | Helen Watson THIS PERSON | 21 | Daughter | New Worker | Pennsylvania |
| 56 | Gerald Watson | 18 | Son | — | Pennsylvania |
| 57 | Francis Watson | 17 | Son | — | Pennsylvania |
| 58 | James Watson | 14 | Son | — | Pennsylvania |
| 59 | Joseph Watson | 9 | Son | — | Pennsylvania |
| 60 | Matthew Ambling | 31 | Head | Carpenter | Pennsylvania |
| 61 | Mary Ambling | 28 | Wife | — | Pennsylvania |
| 62 | Albert De Lideo | 51 | Head | Gardner | Italy |
| 63 | Elizabeth De Lideo | 50 | Wife | Housewife | Italy |
| 64 | James De Lideo | 27 | Son | — | Pennsylvania |
| 65 | Julia De Lideo | 20 | Daughter | Sewing Machine Operator | Pennsylvania |
| 66 | Lucy De Lideo | 18 | Daughter | — | Pennsylvania |
| 67 | Philomena De Lideo | 16 | Daughter | — | Pennsylvania |
| 68 | Rose De Lideo | 14 | Daughter | — | Pennsylvania |
| 69 | Theresa De Lideo | 12 | Daughter | — | Pennsylvania |
| 70 | Daniel De Lideo | 22 | Son | Tree Planter | Pennsylvania |
| 71 | Betty De Lideo | 2 | Daughter | — | Pennsylvania |
| 72 | Anthony Manzi | 49 | Head | — | Italy |
| 73 | Mary Manzi | 51 | Wife | — | Italy |
| 74 | Helen Manzi | 18 | Daughter | New Worker | Pennsylvania |
| 75 | Anne Manzi | 16 | Daughter | — | Pennsylvania |
| 76 | Yolanda Manzi | 15 | Daughter | — | Pennsylvania |
| 77 | John Manzi | 12 | Son | — | Pennsylvania |
| 78 | Rita Manzi | 8 | Daughter | — | Pennsylvania |
| 79 | Thomas Perfitt | 38 | Head | Butcher | Pennsylvania |
| 80 | Margaret Perfitt | 30 | Wife | — | Pennsylvania |
Related Census Records
Pedigree Summary
Helen + 5 siblings
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)