RD
Ralph Davis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Columbia-County, Pennsylvania
Our Model Tree links this Ralph Davis across the 1920, 1930 and 1940 US Censuses in Columbia-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1901), then head of a 3-person household.
Age 39
b. ~1901
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Columbia-County, Pennsylvania |
| Surname | Davis |
| Given Name | Ralph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Sugarloaf Twp |
| 1935 Residence (County) | Luzerne |
| Additional Details | |
| Occupation | Laborer |
| Industry | Foundry |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 300 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Sugarloaf Twp |
| Est. Birth Year | ~1901 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ralph | Age | Birth yr |
|---|---|---|---|---|
| Ralph Davis | Head | — | 39 | ~1901 |
| Ernest Davis | Son | — | 8 | ~1932 |
| Sarah Davis | Spouse | — | 37 | ~1903 |
Census Appearances
1920
Columbia, Pennsylvania
Other, age 20
Columbia, Pennsylvania · implied b. ~1900 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Ralph |
| Relationship to Head | Brother-in-law |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Contractor |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Columbia, Pennsylvania
Other, age 29
Columbia, Pennsylvania · implied b. ~1901 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Ralph |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 17 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Foundry |
| Class of Worker | 7829 |
| Can Read/Write | Yes |
| Veteran | no |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Columbia-County, Pennsylvania
Head, age 39
Columbia-County, Pennsylvania · implied b. ~1901 — 3 household members
| Surname | Davis |
| Given Name | Ralph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Sugarloaf Twp |
| 1935 Residence (County) | Luzerne |
| Occupation | Laborer |
| Industry | Foundry |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 300 |
| Highest Grade | Hs 2 |
| 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 Ralph Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Ralph Davis
Head · 1940 · age 39 · b. ~1901 · 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 — Columbia-County, Pennsylvania
Open full size
1940 US Federal Census — Columbia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03474-00729)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mildred Harrington | 41 | Wife | — | Pennsylvania |
| 42 | William Harrington | 11 | Son | — | Pennsylvania |
| 43 | Ralph Harrington | 8 | Son | — | Pennsylvania |
| 44 | Ruth Harrington | 4 | Daughter | — | Pennsylvania |
| 45 | Ralph Davis THIS PERSON | 39 | Head | Laborer | Pennsylvania |
| 46 | Sarah Davis | 37 | Wife | — | Pennsylvania |
| 47 | Ernest Davis | 8 | Son | — | Pennsylvania |
| 48 | Stanley Harrington | 35 | Head | Core Maker | Pennsylvania |
| 49 | Letitia Harrington | 33 | Wife | — | Pennsylvania |
| 50 | Roy Harrington | 56 | Head | Foundryman | Pennsylvania |
| 51 | Verna Kearluff | 68 | Housekeeper | Housekeeper | Pennsylvania |
| 52 | Warren Davis | 20 | Head | General Laborer | Pennsylvania |
| 53 | Clyde Kingsbury | 39 | Head | Woods Work | Pennsylvania |
| 54 | Edna A. Kingsbury | 38 | Wife | — | Pennsylvania |
| 55 | Pauline E. Kingsbury | 19 | Daughter | Housework | Pennsylvania |
| 56 | William Kingsbury | 14 | Son | — | Pennsylvania |
| 57 | Loyal T. Hartman | 38 | Head | — | Pennsylvania |
| 58 | Ethel R. Hartman | 36 | Wife | — | Pennsylvania |
| 59 | Frank Hartman | 9 | Son | — | Pennsylvania |
| 60 | Madeline Hartman | 8 | Daughter | — | Pennsylvania |
| 61 | Bion W. Hartman | 4 | Son | — | Pennsylvania |
| 62 | Lester Stout | 60 | Head | Farmer | Pennsylvania |
| 63 | Hattie Stout | 57 | Wife | — | Pennsylvania |
| 64 | Dorothy Stout | 21 | Daughter | New Worker | Pennsylvania |
| 65 | End Here | None | Route | — | — |
| 66 | Percy Halmon | 50 | Head | Laborer | Pennsylvania |
| 67 | Ida Halmon | 49 | Wife | — | Pennsylvania |
| 68 | Betty Halmon | 25 | Daughter | Silk Mill | Pennsylvania |
| 69 | Steven Maschaski | 22 | Head | Laborer | Pennsylvania |
| 70 | Virgil Maschaski | 22 | Wife | — | Pennsylvania |
| 71 | Harry Maschaski | 3 | Son | — | Pennsylvania |
| 72 | Stephen Maschaski | 1 | Son | — | Pennsylvania |
| 73 | Harry T. Hess | 49 | Head | Laborer | Pennsylvania |
| 74 | Mary L. Hess | 46 | Wife | — | Pennsylvania |
| 75 | Freeman Hess | 17 | Son | — | Pennsylvania |
| 76 | Dorothy Hess | 15 | Daughter | — | Pennsylvania |
| 77 | May Hess | 12 | Daughter | — | Pennsylvania |
| 78 | Alice Hess | 8 | Daughter | — | Pennsylvania |
| 79 | Samuel B. Volder | 75 | Head | Farmer | Pennsylvania |
| 80 | Salia V. Volder | 72 | Wife | — | Pennsylvania |
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)