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Donald Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Washington-County, Pennsylvania
Our Model Tree links this Donald Davis across the 1920, 1930 and 1940 US Censuses in Washington-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Lewis & William — first a son (b.~1917), then head of a 11-person household.
Age 23
b. ~1917
Male
Son
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Pennsylvania |
| Surname | Davis |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | South Franklin Township |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Occupation | Shipper |
| Industry | Glass House |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 800 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Shipper |
| Township / Ward | South Franklin Township |
| Est. Birth Year | ~1917 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Donald | Age | Birth yr |
|---|---|---|---|---|
| Thelma Davis | Daughter | — | 18 | ~1922 |
| Lois Davis | Daughter | — | 10 | ~1930 |
| William Davis | Head | — | 50 | ~1890 |
| Theodore Gates | Other | — | 43 | ~1897 |
| Martha Gates | Other | — | 76 | ~1864 |
| Helen Davis | Other | — | 20 | ~1920 |
| Roy Davis | Other | — | 2 | ~1938 |
| Donald Davis | Son | — | 23 | ~1917 |
| Teddy Davis | Son | — | 5 | ~1935 |
| Darvey Davis | Son | — | 13 | ~1927 |
| Grace Davis | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Washington, Pennsylvania
Son, age 3
Washington, Pennsylvania · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| 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 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Donald |
| 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 23
Washington-County, Pennsylvania · implied b. ~1917 — 11 household members
| Surname | Davis |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | South Franklin Township |
| 1935 Residence (County) | Washington |
| Occupation | Shipper |
| Industry | Glass House |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 800 |
| 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 Donald Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Lewis Davis (~0.92 confidence) and father William Davis (~0.92 confidence) and father R Davis (~0.92 confidence) and mother Grace Davis (~0.92 confidence) and mother Grace Davis (~0.92 confidence) and mother Anna Davis (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Lewis Davis
b. ~1890
Source father
● Household
· direct · ~0.92
Father
William Davis
b. ~1890
Source father
● Household
· direct · ~0.92
Father
R Davis
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Grace Davis
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Grace Davis
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Anna Davis
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Donald Davis
Son · 1940 · age 23 · b. ~1917 · Pennsylvania
★ You are viewing this record
Sibling
Teddy Davis
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Darvey Davis
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lois Davis
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thelma Davis
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 — 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-t0627-03625-00748)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Andrews | 40 | Head | Truck Driver | Pennsylvania |
| 2 | Opal Andrews | 35 | Wife | — | Pennsylvania |
| 3 | Jackson Hams | 47 | Head | Laborer | Pennsylvania |
| 4 | Elizabeth Hams | 39 | Wife | — | Pennsylvania |
| 5 | Deloris L. Hams | 1 | Son | — | Pennsylvania |
| 6 | Lawrence Richner | 45 | Head | Truck Driver | Pennsylvania |
| 7 | James Caldwell | 52 | Lodger | Truck Helper | Pennsylvania |
| 8 | Rose Kisal | 30 | Servant | Housekeeper | Ohio |
| 9 | Clarence R. Hartshorn | 74 | Head | Farmer | Pennsylvania |
| 10 | J. Claude Maloy | 35 | Head | Chauffeur | Pennsylvania |
| 11 | Mary Maloy | 35 | Wife | — | Pennsylvania |
| 12 | Jack Maloy | 14 | Son | — | Pennsylvania |
| 13 | Derby Finch | 33 | Head | Truck Driver | Pennsylvania |
| 14 | Ruth Finch | 26 | Wife | — | Colorado |
| 15 | Rodell Finch | 8 | Daughter | — | Pennsylvania |
| 16 | Robert Lee Finch | 7 | Son | — | Pennsylvania |
| 17 | Beverly Ann Finch | 1 | Daughter | — | Pennsylvania |
| 18 | Robert A. Neal | 34 | Head | Laborer | Pennsylvania |
| 19 | Edna Neal | 34 | Wife | — | Pennsylvania |
| 20 | Edna Mae Neal | 13 | Daughter | — | Pennsylvania |
| 21 | Addie Perr | 28 | Head | Shipper | Pennsylvania |
| 22 | Dorothy Perr | 20 | Wife | — | Pennsylvania |
| 23 | Clay H. Miller | 38 | Head | Farmer | Pennsylvania |
| 24 | Mabel Miller | 37 | Wife | — | Pennsylvania |
| 25 | Gaylord Miller | 13 | Son | — | Pennsylvania |
| 26 | William Orvis Davis | 50 | Head | Carpenter | Pennsylvania |
| 27 | Grace Davis | 46 | Wife | — | Pennsylvania |
| 28 | Donald Davis THIS PERSON | 23 | Son | Shipper | Pennsylvania |
| 29 | Thelma Orvis Davis | 18 | Daughter | Waitress | Pennsylvania |
| 30 | Darvey Jr. Davis | 13 | Son | — | Pennsylvania |
| 31 | Lois Ann Davis | 10 | Daughter | — | Pennsylvania |
| 32 | Teddy Davis | 5 | Son | — | Pennsylvania |
| 33 | Helen Davis | 20 | Daughter-in-law | — | Pennsylvania |
| 34 | Roy Davis | 2 | Grand Son | — | Pennsylvania |
| 35 | Martha Gates | 76 | Mother-in-law | — | Pennsylvania |
| 36 | Theodore Gates | 43 | Brother-in-law | Farm Helper | West Virginia |
| 37 | Cora Straun | 62 | Head | — | Pennsylvania |
| 38 | Milbert M. Straun | 21 | Son | Farmer | West Virginia |
| 39 | Maud Work | 84 | Head | — | Pennsylvania |
| 40 | Myrtle Richey | 53 | Daughter | — | Pennsylvania |
Pedigree Summary
Donald + 4 siblings
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)