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Harold Wilson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Columbia-County, Pennsylvania
Our Model Tree links this Harold Wilson across the 1920, 1930 and 1940 US Censuses in Columbia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Mont & Mont — first a son (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Columbia-County, Pennsylvania |
| Surname | Wilson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Montour |
| 1935 Residence (County) | Columbia |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 70 |
| Income (1939) | 220 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Farmer |
| Township / Ward | Montour |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Mont Wilson | Head | — | 59 | ~1881 |
| Harold Wilson | Son | — | 21 | ~1919 |
| Carl Wilson | Son | — | 18 | ~1922 |
| Lucy Wilson | Spouse | — | 56 | ~1884 |
Census Appearances
1920
Columbia, Pennsylvania
Son, age
Columbia, Pennsylvania · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wilson |
| Given Name | Harold |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Columbia, Pennsylvania
Son, age 11
Columbia, Pennsylvania · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wilson |
| Given Name | Harold L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Age at First Marriage | 58 |
| 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
Columbia-County, Pennsylvania
Son, age 21
Columbia-County, Pennsylvania · implied b. ~1919 — 4 household members
| Surname | Wilson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Montour |
| 1935 Residence (County) | Columbia |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 70 |
| Income (1939) | 220 |
| Highest Grade | Hs 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 Harold Wilson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Mont Wilson (~0.92 confidence) and father Mont Wilson (~0.92 confidence) and mother Lucy Wilson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Mont Wilson
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Mont Wilson
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Lucy Wilson
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Wilson
Son · 1940 · age 21 · b. ~1919 · Pennsylvania
★ You are viewing this record
Sibling
Carl Wilson
Sibling · 1940 · age 18
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 — Columbia-County, Pennsylvania
Open full size
1940 US Federal Census — Columbia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03474-00620)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Hattie Johnson | 76 | Wife | — | Pennsylvania |
| 42 | Arval Johnson | 47 | Son | — | Pennsylvania |
| 43 | Alaine S. Johnson | 55 | Head | Chief Engineer | Pennsylvania |
| 44 | Harry Johnson | 11 | Son | — | Pennsylvania |
| 45 | Mont O. Wilson | 59 | Head | Barber | Pennsylvania |
| 46 | Lucy R. Wilson | 56 | Wife | — | Pennsylvania |
| 47 | Harold Wilson THIS PERSON | 21 | Son | Farmer | Pennsylvania |
| 48 | Carl Wilson | 18 | Son | Farmer | Pennsylvania |
| 49 | Woodard Wilson | 25 | Head | Truck Driver | Pennsylvania |
| 50 | Dora O. Wilson | 21 | Wife | — | Pennsylvania |
| 51 | Myron Wilson | 2 | Son | — | Pennsylvania |
| 52 | Isaac Heller | 61 | Head | Employer | Pennsylvania |
| 53 | Sadie Heller | 58 | Wife | — | Pennsylvania |
| 54 | Ethan D. Heller | 27 | Son | Laborer | Pennsylvania |
| 55 | Frank Bardo | 41 | Head | Foreman | Pennsylvania |
| 56 | Lura Bardo | 36 | Wife | — | Pennsylvania |
| 57 | James Bardo | 15 | Son | — | Pennsylvania |
| 58 | Hilda Bardo | 12 | Daughter | — | Pennsylvania |
| 59 | Geraldine Bardo | 10 | Daughter | — | Pennsylvania |
| 60 | George Bardo | 8 | Son | — | Pennsylvania |
| 61 | Roy Bardo | 6 | Son | — | Pennsylvania |
| 62 | Leo Bardo | 4 | Son | — | Pennsylvania |
| 63 | Marie Bardo | 1 | Daughter | — | Pennsylvania |
| 64 | Pearl B. Brown | 34 | Head | — | Pennsylvania |
| 65 | Junior Brown | 13 | Son | — | Pennsylvania |
| 66 | Evelyn Brown | 11 | Daughter | — | Pennsylvania |
| 67 | Gloria Brown | 6 | Daughter | — | Pennsylvania |
| 68 | Marland Brown | 5 | Son | — | Pennsylvania |
| 69 | Sherman Johnson | 48 | Head | Farmer | Pennsylvania |
| 70 | Lorna O. Johnson | 40 | Wife | — | Pennsylvania |
| 71 | Margaret Johnson | 6 | Daughter | — | Pennsylvania |
| 72 | Walter Johnson | 5 | Son | — | Pennsylvania |
| 73 | Robert Johnson | 4 | Son | — | Pennsylvania |
| 74 | Ruth Sadler | 10 | In-law | — | Pennsylvania |
| 75 | Harvey E. Miller | 42 | Head | Laborer | Pennsylvania |
| 76 | Edith Miller | 32 | Wife | — | Pennsylvania |
| 77 | James Miller | 15 | Son | — | Pennsylvania |
| 78 | John Miller | 13 | Son | — | Pennsylvania |
| 79 | Mildred Miller | 11 | Daughter | — | Pennsylvania |
| 80 | Gerald Miller | 8 | Son | — | Pennsylvania |
Pedigree Summary
Harold + 1 sibling
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)