WC
Walter Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Pennsylvania
Our Model Tree links this Walter Clark across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Bridget — first a head (b.~1905), then head of a 5-person household.
Age 35
b. ~1905
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Pennsylvania |
| Surname | Clark |
| Given Name | Walter C |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Punxsutawney |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Boiler Maker |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | No 4 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Boiler Maker |
| Township / Ward | Albion |
| Est. Birth Year | ~1905 |
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 Walter | Age | Birth yr |
|---|---|---|---|---|
| Barbara Clark | Daughter | — | 9 | ~1931 |
| Monique Clark | Daughter | — | 3 | ~1937 |
| Walter Clark | Head | — | 35 | ~1905 |
| Walter Clark | Son | — | 1 | ~1939 |
| Maria Clark | Spouse | — | 26 | ~1914 |
Census Appearances
1920
Jefferson, Pennsylvania
Son, age 16
Jefferson, Pennsylvania · implied b. ~1904 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Jefferson, Pennsylvania
Son, age 25
Jefferson, Pennsylvania · implied b. ~1905 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 21 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Repairman |
| Industry | R. Road Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Jefferson-County, Pennsylvania
Head, age 35
Jefferson-County, Pennsylvania · implied b. ~1905 — 5 household members
| Surname | Clark |
| Given Name | Walter C |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Punxsutawney |
| 1935 Residence (County) | Jefferson |
| Occupation | Boiler Maker |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | No 4 |
| 1935 Residence | Pennsylvania |
| 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 Walter Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Bridget Clark (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Bridget Clark
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Walter Clark
Head · 1940 · age 35 · b. ~1905 · 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 — Jefferson-County, Pennsylvania
Open full size
1940 US Federal Census — Jefferson-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03519-00036)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ralph J Cochrane | 46 | Head | Metal Lather | Pennsylvania |
| 2 | Lucy Cochrane | 44 | Wife | — | Pennsylvania |
| 3 | Raymond Cochrane | 20 | Son | Apprentice | Pennsylvania |
| 4 | Wilbur R Cochrane | 13 | Son | — | Pennsylvania |
| 5 | Theodore W Anderson | 21 | Son-in-law | Miner | Pennsylvania |
| 6 | Ida J Anderson | 27 | Daughter | — | Pennsylvania |
| 7 | Charles D Buck | 37 | Head | Tool Dresser | Pennsylvania |
| 8 | Iona J Buck | 37 | Wife | — | Pennsylvania |
| 9 | Clara L Buck | 6 | Daughter | — | Pennsylvania |
| 10 | Margaret A Welfurt | 41 | Head | Cook | Pennsylvania |
| 11 | Clifford C Welfurt | 15 | Son | — | Pennsylvania |
| 12 | Henry E Mastenbrook | 72 | Lodger | — | Pennsylvania |
| 13 | Adolph J Vazelle | 53 | Head | Stone Cutter | Belgium |
| 14 | Marie E Vazelle | 47 | Wife | — | Pennsylvania |
| 15 | Jesse O Stater | 48 | Head | Brakeman | Pennsylvania |
| 16 | Helena E Stater | 47 | Wife | — | Pennsylvania |
| 17 | Lois E Stater | 20 | Daughter | — | Pennsylvania |
| 18 | Burton E Stater | 10 | Son | — | Pennsylvania |
| 19 | Albert Heilburg | 72 | Head | Blacksmith | Sweden |
| 20 | Lee J Gamble | 29 | Head | Professional | Pennsylvania |
| 21 | Elsie D Gamble | 26 | Wife | — | Pennsylvania |
| 22 | Molly D Gamble | 2 | Daughter | — | Pennsylvania |
| 23 | William H Rumer | 51 | Head | Fireman | Pennsylvania |
| 24 | Mary A Rumer | 49 | Wife | — | Pennsylvania |
| 25 | Dorothy E Rumer | 21 | Daughter | Nurse | Pennsylvania |
| 26 | Ethel A Rumer | 15 | Daughter | — | Pennsylvania |
| 27 | Charles E Rumer | 12 | Son | — | Pennsylvania |
| 28 | John W Rumer | 10 | Son | — | Pennsylvania |
| 29 | James G Law | 54 | Head | Sawyer | Pennsylvania |
| 30 | Rosie E Law | 50 | Wife | — | Tennessee |
| 31 | Lee D Law | 21 | Son | — | Pennsylvania |
| 32 | John E Wineburg | 40 | Head | Crane Operator | Pennsylvania |
| 33 | Naoma Wineburg | 28 | Wife | — | Pennsylvania |
| 34 | Maxine Wineburg | 11 | Daughter | — | Pennsylvania |
| 35 | Myrna M Wineburg | 8 | Daughter | — | Pennsylvania |
| 36 | Walter C Clark THIS PERSON | 35 | Head | Boiler Maker | Pennsylvania |
| 37 | Maria M Clark | 26 | Wife | — | Pennsylvania |
| 38 | Barbara Ann Clark | 9 | Daughter | — | Pennsylvania |
| 39 | Monique Ann Clark | 3 | Daughter | — | Pennsylvania |
| 40 | Walter C Jr Clark | 1 | Son | — | Pennsylvania |
Pedigree Summary
Walter
Gen 1 · 1 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)