EC
Edward Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · Washington-County, Pennsylvania
Our Model Tree links this Edward Clark across the 1920, 1930 and 1940 US Censuses in Washington-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents William & Mary — first a son (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Pennsylvania |
| Surname | Clark |
| Given Name | Edward |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | South Strabane |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Occupation | Laborer |
| Industry | State Highway |
| Class of Worker | PW |
| Hours Worked | 18 |
| Income (1939) | 400 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | South Strabane |
| Est. Birth Year | ~1918 |
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 Edward | Age | Birth yr |
|---|---|---|---|---|
| Foster Clark | Head | — | 43 | ~1897 |
| Earl Clark | Son | — | 20 | ~1920 |
| Edward Clark | Son | — | 22 | ~1918 |
| Betty Clark | Spouse | — | 41 | ~1899 |
Census Appearances
1920
Washington, Pennsylvania
Son, age 2
Washington, Pennsylvania · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Edward |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Washington, Pennsylvania
Son, age 13
Washington, Pennsylvania · implied b. ~1917 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Edward |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| 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
Washington-County, Pennsylvania
Son, age 22
Washington-County, Pennsylvania · implied b. ~1918 — 4 household members
| Surname | Clark |
| Given Name | Edward |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | South Strabane |
| 1935 Residence (County) | Washington |
| Occupation | Laborer |
| Industry | State Highway |
| Class of Worker | PW |
| Hours Worked | 18 |
| Income (1939) | 400 |
| Highest Grade | H-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 Edward Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Clark (~0.92 confidence) and mother Mary Clark (~0.92 confidence) and father Foster Clark (~0.92 confidence) and father Foster Clark (~0.92 confidence) and mother Lizzie Clark (~0.92 confidence) and mother Betty Clark (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Clark
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Mary Clark
b. ~1880
Source mother
● Household
· direct · ~0.92
Father
Foster Clark
b. ~1895
Source father
● Household
· direct · ~0.92
Father
Foster Clark
b. ~1897
Source father
● Household
· direct · ~0.92
Mother
Lizzie Clark
b. ~1899
Source mother
● Household
· direct · ~0.92
Mother
Betty Clark
b. ~1899
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Edward Clark
Son · 1940 · age 22 · b. ~1918 · Pennsylvania
★ You are viewing this record
Sibling
Earl Clark
Sibling · 1940 · age 20
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 — Washington-County, Pennsylvania
Open full size
1940 US Federal Census — Washington-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03625-00778)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Bertha M. Barbour | 41 | Head | — | Pennsylvania |
| 42 | Howard Barbour | 23 | Son | Miller | Pennsylvania |
| 43 | Bertha J. Barbour | 18 | Daughter | — | Pennsylvania |
| 44 | Norma Jean Barbour | 14 | Daughter | — | Pennsylvania |
| 45 | Victor Steban | 22 | Head | Loader | Pennsylvania |
| 46 | Marie Steban | 16 | Wife | — | Pennsylvania |
| 47 | Paul Jr. Steban | 0 | Son | — | Pennsylvania |
| 48 | Foster Clark | 43 | Head | Moulder | Pennsylvania |
| 49 | Betty Clark | 41 | Wife | — | Pennsylvania |
| 50 | Earl Clark | 20 | Son | — | Pennsylvania |
| 51 | Edward Clark THIS PERSON | 22 | Son | Laborer | Pennsylvania |
| 52 | D. K. Minor | 80 | Head | Laborer | Pennsylvania |
| 53 | Guerin Minor | 76 | Wife | — | West Virginia |
| 54 | Emery Minor | 40 | Son | Miller | Pennsylvania |
| 55 | William Groitrech | 35 | Head | Truck Driver | Pennsylvania |
| 56 | Anna Groitrech | 34 | Wife | — | Pennsylvania |
| 57 | Patricia Groitrech | 5 | Daughter | — | Pennsylvania |
| 58 | William Jr. Groitrech | 1 | Son | — | Pennsylvania |
| 59 | George W. Mcmurray | 53 | Head | Gen. Foreman | Pennsylvania |
| 60 | Clarissa Mcmurray | 43 | Wife | — | Pennsylvania |
| 61 | Harvey Mcmurray | 17 | Son | — | Pennsylvania |
| 62 | Arnold Mcmurray | 6 | Son | — | Pennsylvania |
| 63 | N. Frank Jr. Ward | 43 | Head | Manager | Pennsylvania |
| 64 | Caroline Ward | 40 | Wife | — | Pennsylvania |
| 65 | John Lloyd | 23 | Head | Salesman | Pennsylvania |
| 66 | Betty Lloyd | 19 | Wife | — | Pennsylvania |
| 67 | Sandra Lloyd | 2 | Daughter | — | Pennsylvania |
| 68 | Martha Minor | 14 | Lodger | — | Pennsylvania |
| 69 | Clark T. Harsha | 78 | Head | — | Pennsylvania |
| 70 | Annie B. Harsha | 78 | Wife | — | Pennsylvania |
| 71 | Chester Mauchline | 24 | Head | Truckman | Pennsylvania |
| 72 | Laretta Mauchline | 23 | Wife | — | Pennsylvania |
| 73 | Margaret Mauchline | 0 | Daughter | — | Pennsylvania |
| 74 | N. Howard Valk | 49 | Head | Clerical | Pennsylvania |
| 75 | Blanche Valk | 43 | Wife | Truck Driver | Pennsylvania |
| 76 | Christiana Conrad | 66 | Mother-in-law | — | Pennsylvania |
| 77 | William B. Baker | 43 | Head | Pipe Staff | Pennsylvania |
| 78 | Margaret H. Baker | 41 | Wife | — | Pennsylvania |
| 79 | William Jr. Baker | 12 | Son | — | Pennsylvania |
| 80 | Patricia Ann Baker | 11 | Daughter | — | Pennsylvania |
Pedigree Summary
Edward + 1 sibling
Gen 1 · 6 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)