CS
Clara Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Washington-County, Pennsylvania
Our Model Tree links this Clara Smith across the 1920, 1930 and 1940 US Censuses in Washington-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Walter & Hazen — first a daughter (b.~1913), then head of a 5-person household.
Age 27
b. ~1913
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Pennsylvania |
| Surname | Smith |
| Given Name | Clara B |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | S. Strabane Twp |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | S Strabane Twp |
| Est. Birth Year | ~1913 |
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 Clara | Age | Birth yr |
|---|---|---|---|---|
| Clara Smith | Daughter | — | 27 | ~1913 |
| Mary Smith | Daughter | — | 17 | ~1923 |
| Hazen Smith | Head | — | 61 | ~1879 |
| Albert Smith | Son | — | 31 | ~1909 |
| Jennie Smith | Spouse | — | 55 | ~1885 |
Census Appearances
1920
Washington, Pennsylvania
Daughter, age 6
Washington, Pennsylvania · implied b. ~1914 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Clara B |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Washington, Pennsylvania
Daughter, age 17
Washington, Pennsylvania · implied b. ~1913 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Clara B |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Student |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Washington-County, Pennsylvania
Daughter, age 27
Washington-County, Pennsylvania · implied b. ~1913 — 5 household members
| Surname | Smith |
| Given Name | Clara B |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | S. Strabane Twp |
| 1935 Residence (County) | Washington |
| Highest Grade | Hs 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 Clara Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Walter Smith (~0.92 confidence) and father Hazen Smith (~0.92 confidence) and mother Jennie Smith (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Walter Smith
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Hazen Smith
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Jennie Smith
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Clara Smith
Daughter · 1940 · age 27 · b. ~1913 · Pennsylvania
★ You are viewing this record
Sibling
Mary Smith
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Smith
Sibling · 1940 · age 31
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-t0627-03625-00838)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James E Clark | 12 | Son | — | Pennsylvania |
| 42 | William A Clark | 10 | Son | — | Pennsylvania |
| 43 | James E Amick | 69 | Head | Clerk | Pennsylvania |
| 44 | Olive B Amick | 66 | Wife | — | Pennsylvania |
| 45 | Bess L Amick | 27 | Daughter | Clerk | Pennsylvania |
| 46 | Hayden Osborn | 29 | Lodger | — | Pennsylvania |
| 47 | Guy H Mckenry | 55 | Head | Physician | Pennsylvania |
| 48 | Clark B Mckenry | 52 | Wife | — | Pennsylvania |
| 49 | Guy H Jr Mckenry | 10 | Son | — | Pennsylvania |
| 50 | Clark B Mckenry | 9 | Daughter | — | Pennsylvania |
| 51 | Maurice Campbell | 40 | Head | Inspector Of Boilers | Pennsylvania |
| 52 | Stella M Campbell | 32 | Wife | — | Pennsylvania |
| 53 | George H Campbell | 10 | Son | — | Pennsylvania |
| 54 | Fredrick Campbell | 9 | Son | — | Pennsylvania |
| 55 | Paul M Campbell | 8 | Son | — | Pennsylvania |
| 56 | Gladys R Campbell | 4 | Daughter | — | Pennsylvania |
| 57 | Mary L Campbell | 2 | Daughter | — | Pennsylvania |
| 58 | Hazen S Smith | 61 | Head | Farmer | Pennsylvania |
| 59 | Jennie L Smith | 55 | Wife | — | Pennsylvania |
| 60 | Albert R Smith | 31 | Son | Cook | Pennsylvania |
| 61 | Clara B Smith THIS PERSON | 27 | Daughter | — | Pennsylvania |
| 62 | Mary E Smith | 17 | Daughter | — | Pennsylvania |
| 63 | William Mclaughline | 52 | Head | Manager | Pennsylvania |
| 64 | Myrtle Mclaughline | 50 | Wife | Owner | Pennsylvania |
| 65 | Clyfton Oller | 39 | Head | Painter | Pennsylvania |
| 66 | Leona X Oller | 37 | Wife | — | Pennsylvania |
| 67 | Thelma J Oller | 15 | Daughter | — | Pennsylvania |
| 68 | Joseph M Oller | 12 | Son | — | Pennsylvania |
| 69 | Clara E Oller | 71 | Head | — | Pennsylvania |
| 70 | Albert Randall | 73 | Head | — | Pennsylvania |
| 71 | Charles Allen | 35 | Head | Operator | Pennsylvania |
| 72 | Gertrude Allen | 35 | Wife | — | Pennsylvania |
| 73 | Leo C Allen | 10 | Son | — | Pennsylvania |
| 74 | Marie H Allen | 9 | Daughter | — | Pennsylvania |
| 75 | Edith M Allen | 9 | Daughter | — | Pennsylvania |
| 76 | Robert A Allen | 14 | Nephew | — | Pennsylvania |
| 77 | Leo L Lake | 24 | Head | Brick Layer | New York |
| 78 | Stella E Lake | 20 | Wife | — | Pennsylvania |
| 79 | Donald L Lake | 1 | Son | — | Pennsylvania |
| 80 | Albert Rood | 55 | Head | Labor | West Virginia |
Related Census Records
Pedigree Summary
Clara + 2 siblings
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)