EC
Elizabeth Cox — 1940 US Census Record
Model Tree available1940 United States Federal Census · Delaware-County, Pennsylvania
Our Model Tree links this Elizabeth Cox across the 1920, 1930 and 1940 US Censuses in Delaware-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents John & Elizabeth — first a spouse (b.~1908), then head of a 4-person household.
Age 32
b. ~1908
Female
Spouse
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Pennsylvania |
| Surname | Cox |
| Given Name | Elizabeth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Village |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Highest Grade | H-2 |
| 1935 Residence | Penna |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Glenolden Borough |
| Est. Birth Year | ~1908 |
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 Elizabeth | Age | Birth yr |
|---|---|---|---|---|
| Harry Cox | Son | — | 12 | ~1928 |
| Norman Cox | Head | — | 35 | ~1905 |
| Grace Cox | Daughter | — | 10 | ~1930 |
| Elizabeth Cox | Spouse | — | 32 | ~1908 |
Census Appearances
1920
Philadelphia, Pennsylvania
Daughter, age 11
Philadelphia, Pennsylvania · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Elizabeth A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Delaware, Pennsylvania
Daughter, age 22
Delaware, Pennsylvania · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Elizabeth A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Occupation | Stenographer |
| Industry | Architect |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Delaware-County, Pennsylvania
Spouse, age 32
Delaware-County, Pennsylvania · implied b. ~1908 — 4 household members
| Surname | Cox |
| Given Name | Elizabeth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Village |
| 1935 Residence (County) | Delaware |
| Highest Grade | H-2 |
| 1935 Residence | Penna |
| 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 Elizabeth Cox across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father John Cox (~0.92 confidence) and mother Elizabeth Cox (~0.92 confidence) and mother Elizabeth Cox (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Cox
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Cox
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Cox
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Elizabeth Cox
Spouse · 1940 · age 32 · b. ~1908 · 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 — Delaware-County, Pennsylvania
Open full size
1940 US Federal Census — Delaware-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03491-00340)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Nellie G Aird | 39 | Wife | — | Scotland |
| 42 | Margaret C Aird | 9 | Daughter | — | Pennsylvania |
| 43 | Earle R Aird | 3 | Son | — | Pennsylvania |
| 44 | Harold Roberts | 27 | Head | Laborer | Pennsylvania |
| 45 | Ganza G Roberts | 27 | Wife | — | Pennsylvania |
| 46 | Barbara Roberts | 2 | Daughter | — | Pennsylvania |
| 47 | Charles Flemming | 32 | Head | Electrician | Pennsylvania |
| 48 | Ava G Flemming | 38 | Wife | — | New Jersey |
| 49 | Christopher Pratt | 59 | Head | Coppersmith | England |
| 50 | Matilda G Pratt | 26 | Wife | — | New Jersey |
| 51 | Charlotte Pratt | 7 | Daughter | — | New Jersey |
| 52 | Christopher Jr Pratt | 4 | Son | — | New Jersey |
| 53 | Albert Kaye | 48 | Head | Machinist | England |
| 54 | Phoebe Kaye | 48 | Wife | — | England |
| 55 | Ronald Kaye | 18 | Son | Labourer | Pennsylvania |
| 56 | Kenneth Kaye | 12 | Son | — | Penna |
| 57 | Lewis Thomas | 83 | Head | Agent | New Hampshire |
| 58 | Alicia Thomas | 78 | Wife | — | New Jersey |
| 59 | William W Marshall | 43 | Head | Foreman | Pennsylvania |
| 60 | Sara N Marshall | 44 | Wife | — | Pennsylvania |
| 61 | William W Jr Marshall | 13 | Son | — | Pennsylvania |
| 62 | Marguerite J Marshall | 11 | Daughter | — | Pennsylvania |
| 63 | John Ferguson | 38 | Head | Janitor | Pennsylvania |
| 64 | Sarah Ferguson | 38 | Wife | — | England |
| 65 | Margaret A Ferguson | 6 | Daughter | — | Pennsylvania |
| 66 | John E Ferguson | 4 | Son | — | Pennsylvania |
| 67 | Sarah A Reese | 58 | Mother-in-law | Head Matron | England |
| 68 | Florence Johnson | 45 | Head | — | Pennsylvania |
| 69 | Woodrow Wilbur Johnson | 26 | Stepson | Brickpointer | Washington DC |
| 70 | Henry Johnson | 26 | Son | Plumber | Pennsylvania |
| 71 | Ethel Johnson | 20 | Daughter | Mender | Pennsylvania |
| 72 | Mildred Johnson | 14 | Daughter | — | Pennsylvania |
| 73 | Myrtle Johnson | 13 | Daughter | — | Pennsylvania |
| 74 | Norman R Cox | 35 | Head | Printer | Pennsylvania |
| 75 | Elizabeth Cox THIS PERSON | 32 | Wife | — | Pennsylvania |
| 76 | Harry Cox | 12 | Son | — | Pennsylvania |
| 77 | Grace Cox | 10 | Daughter | — | Pennsylvania |
| 78 | Alexander Bradley | 35 | Head | Electric Welder | Pennsylvania |
| 79 | Jean G Bradley | 26 | Wife | — | Pennsylvania |
| 80 | Elizabeth A Bradley | 9 | Daughter | — | Pennsylvania |
Pedigree Summary
Elizabeth
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)