MD
Martha Davis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lehigh-County, Pennsylvania
Our Model Tree links this Martha Davis across the 1920, 1930 and 1940 US Censuses in Lehigh-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1858), then head of a 3-person household.
Age 82
b. ~1858
Female
Head
Born: Wales
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Lehigh-County, Pennsylvania |
| Surname | Davis |
| Given Name | Martha |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 82 |
| Marital Status | Widowed |
| Birthplace | Wales |
| 1935 Residence (City) | Slatington |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 0 |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
| Township / Ward | Slatington |
| Est. Birth Year | ~1858 |
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 Martha | Age | Birth yr |
|---|---|---|---|---|
| Hattie Davis | Daughter | — | 57 | ~1883 |
| Martha Davis | Head | — | 82 | ~1858 |
| Griffith Davis | Son | — | 60 | ~1880 |
Census Appearances
1920
Lehigh, Pennsylvania
Head, age 61
Lehigh, Pennsylvania · implied b. ~1859 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Martha |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Widowed |
| Birthplace | Wales |
| Year of Immigration | 1870 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Welsh |
| Home Owned/Rented | R |
| Birth Country | Wales |
| Year of Naturalization | 1880 |
| Birthplace (normalized) | wales |
1930
Lehigh, Pennsylvania
Head, age 71
Lehigh, Pennsylvania · implied b. ~1859 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davies |
| Given Name | Martha |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 71 |
| Marital Status | Widowed |
| Birthplace | Wales |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Can Read/Write | Yes |
| Mother Tongue | Welsh |
| Home Value / Rent | O |
| Radio Set | 2000 |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
1940
Lehigh-County, Pennsylvania
Head, age 82
Lehigh-County, Pennsylvania · implied b. ~1858 — 3 household members
| Surname | Davis |
| Given Name | Martha |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 82 |
| Marital Status | Widowed |
| Birthplace | Wales |
| 1935 Residence (City) | Slatington |
| Naturalization Status | Naturalized |
| Highest Grade | No 0 |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
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 Martha Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Davis
Head · 1940 · age 82 · b. ~1858 · 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 — Lehigh-County, Pennsylvania
Open full size
1940 US Federal Census — Lehigh-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03547-00402)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Sandra Handwerk | 2 | Daughter | — | Penna |
| 42 | Grant Kohlhepp | 44 | Head | Laborer | Penna |
| 43 | Lillian Kohlhepp | 44 | Wife | — | Penna |
| 44 | Nancy Kohlhepp | 13 | Daughter | — | Penna |
| 45 | William H. Mackintosh | 61 | Head | Blacksmith | England |
| 46 | Elizabeth Mackintosh | 59 | Wife | — | Penna |
| 47 | Olin Matthews | 65 | Brother-in-law | Safety Work | Penna |
| 48 | Martha Davis THIS PERSON | 82 | Head | — | Wales |
| 49 | Hattie Davis | 57 | Daughter | — | Penna |
| 50 | Griffith Davis | 60 | Son | — | Penna |
| 51 | Francis Runkle | 44 | Head | Clerk | Penna |
| 52 | David Runkle | 14 | Son | — | Penna |
| 53 | Arlington Heckman | 26 | Son-in-law | Furnace Helper | Penna |
| 54 | Mary Heckman | 20 | Daughter | — | Penna |
| 55 | Mary B. Heckman | 1 | Granddau | — | Penna |
| 56 | Henry Rex | 53 | Head | Butcher | Penna |
| 57 | Stella Katie Rex | 53 | Wife | — | Penna |
| 58 | Allen Rex | 30 | Son | Research-Labor | Penna |
| 59 | Mae Rex | 12 | Daughter | — | Penna |
| 60 | Norma Rex | 10 | Daughter | — | Penna |
| 61 | David Rex | 10 | Grandson | — | Penna |
| 62 | Albert Rumat | 48 | Head | Laborer | Penna |
| 63 | William Zellner | 72 | Father-in-law | Laborer | Penna |
| 64 | William Sheckler | 26 | Head | Laborer | Penna |
| 65 | Leila Sheckler | 20 | Wife | — | Penna |
| 66 | Rodney Sheckler | 2 | Son | — | Penna |
| 67 | Richard Sheckler | 0 | Son | — | Penna |
| 68 | Albert Schatzman | 44 | Head | Plumber | Penna |
| 69 | Florence Schatzman | 42 | Wife | — | Penna |
| 70 | Howard Schuck | 31 | Head | Mechanic | Penna |
| 71 | Marion Schuck | 26 | Wife | — | Penna |
| 72 | Beardell Dorward | 15 | Boarder | — | Penna |
| 73 | Betty Shuck | 10 | Daughter | — | Penna |
| 74 | Wilbur Diehl | 43 | Head | Shoe Maker | Penna |
| 75 | Edna Diehl | 40 | Wife | — | Penna |
| 76 | Wilbur Jr. Diehl | 21 | Son | War Drawer | Penna |
| 77 | Robert Diehl | 16 | Son | — | Penna |
| 78 | Robert Sr. Souverwine | 53 | Head | Slater | Penna |
| 79 | Hilda Souverwine | 48 | Wife | — | Penna |
| 80 | Charles Souverwine | 26 | Son | Nickle Platter | Penna |
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)