WC
Walter Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · Northumberland-County, Pennsylvania
Our Model Tree links this Walter Clark across the 1920, 1930 and 1940 US Censuses in Northumberland-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents M — first a head (b.~1895), then head of a 5-person household.
Age 45
b. ~1895
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Northumberland-County, Pennsylvania |
| Surname | Clark |
| Given Name | Walter F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Upper Augusta |
| 1935 Residence (County) | Northumberland |
| Additional Details | |
| Occupation | Farmer |
| Industry | Private Farm |
| Class of Worker | OA |
| Hours Worked | 70 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Farmer |
| Township / Ward | Upper Augusta |
| Est. Birth Year | ~1895 |
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 |
|---|---|---|---|---|
| Ella Clark | Daughter | — | 16 | ~1924 |
| Walter Clark | Head | — | 45 | ~1895 |
| William Clark | Son | — | 12 | ~1928 |
| Caleb Clark | Son | — | 7 | ~1933 |
| Lottie Clark | Spouse | — | 39 | ~1901 |
Census Appearances
1920
Northumberland, Pennsylvania
Son, age 25
Northumberland, Pennsylvania · implied b. ~1895 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Walter F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farm Labor |
| Industry | Home farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Northumberland, Pennsylvania
Head, age 35
Northumberland, Pennsylvania · implied b. ~1895 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Walter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 21 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 2800 |
| Radio Set | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Northumberland-County, Pennsylvania
Head, age 45
Northumberland-County, Pennsylvania · implied b. ~1895 — 5 household members
| Surname | Clark |
| Given Name | Walter F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Upper Augusta |
| 1935 Residence (County) | Northumberland |
| Occupation | Farmer |
| Industry | Private Farm |
| Class of Worker | OA |
| Hours Worked | 70 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 Walter Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father M Clark (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
M Clark
b. ~1859
Source father
● Household
· direct · ~0.92
This person
Anchor record
Walter Clark
Head · 1940 · age 45 · b. ~1895 · 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 — Northumberland-County, Pennsylvania
Open full size
1940 US Federal Census — Northumberland-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03598-00690)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ernest B. Buffington | 12 | Son | — | Pennsylvania |
| 2 | Alva M. Buffington | 11 | Daughter | — | Pennsylvania |
| 3 | Ray E. Renn | 39 | Head | Laborer | Pennsylvania |
| 4 | Lillian R. Renn | 39 | Wife | — | Pennsylvania |
| 5 | Helen J. Renn | 16 | Daughter | — | Pennsylvania |
| 6 | Kenneth R. Renn | 12 | Son | — | Pennsylvania |
| 7 | Grace M. Renn | 8 | Daughter | — | Pennsylvania |
| 8 | George E. Renn | 6 | Son | — | Pennsylvania |
| 9 | Martha J. Renn | 3 | Daughter | — | Pennsylvania |
| 10 | Arthur B. Quinn | 26 | Son-in-law | Logging | Pennsylvania |
| 11 | Miriam A. Quinn | 20 | Daughter | Silk Knitter | Pennsylvania |
| 12 | George E. Sholly | 56 | Head | Carpenter | Pennsylvania |
| 13 | Blanche M. Sholly | 48 | Wife | — | Pennsylvania |
| 14 | John E. Sholly | 27 | Son | New Worker | Pennsylvania |
| 15 | Charles M. Sholly | 25 | Son | New Worker | Pennsylvania |
| 16 | George W. Sholly | 21 | Son | New Worker | Pennsylvania |
| 17 | Sarah Sholly | 20 | Daughter | — | Pennsylvania |
| 18 | Arthur F. Sholly | 15 | Son | — | Pennsylvania |
| 19 | Martha L. Sholly | 13 | Daughter | — | Pennsylvania |
| 20 | Ida Mae Sholly | 8 | Daughter | — | Pennsylvania |
| 21 | Paul Sholly | 6 | Son | — | Pennsylvania |
| 22 | Ray Sholly | 2 | Son | — | Pennsylvania |
| 23 | George C. Deibler | 56 | Head | Farmer | Pennsylvania |
| 24 | Gertie C. Deibler | 52 | Wife | — | Pennsylvania |
| 25 | George F. Deibler | 28 | Son | Farmer | Pennsylvania |
| 26 | Albert C. Deibler | 27 | Son | Farmer | Pennsylvania |
| 27 | Leslie L. Campbell | 51 | Head | Farmer | Pennsylvania |
| 28 | Anna B. Campbell | 51 | Wife | — | Pennsylvania |
| 29 | James L. Campbell | 22 | Son | Farmer | Pennsylvania |
| 30 | Robert W. Campbell | 20 | Son | Farmer | Pennsylvania |
| 31 | William W. Campbell | 15 | Son | — | Pennsylvania |
| 32 | James S. Campbell | 81 | Head | — | Pennsylvania |
| 33 | Bessie A. Forney | 39 | Housekeeper | — | Pennsylvania |
| 34 | Walter F. Clark THIS PERSON | 45 | Head | Farmer | Pennsylvania |
| 35 | Lottie E. Clark | 39 | Wife | — | Pennsylvania |
| 36 | Ella M. Clark | 16 | Daughter | — | Pennsylvania |
| 37 | William H. Clark | 12 | Son | — | Pennsylvania |
| 38 | Caleb L. Clark | 7 | Son | — | Pennsylvania |
| 39 | Harry S. Epler | 70 | Head | — | Pennsylvania |
| 40 | Charles V. Epler | 41 | Son | Farmer | 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)