JC
James Cox — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this James Cox across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Joseph & Lydia — first a head (b.~1914), then head of a 4-person household.
Age 26
b. ~1914
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Cox |
| Given Name | James Sr. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | laborer |
| Industry | automobile |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 500 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1914 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Dolores Cox | Daughter | — | 4 | ~1936 |
| James Cox | Head | — | 26 | ~1914 |
| James Cox | Son | — | 2 | ~1938 |
| Caroline Cox | Spouse | — | 24 | ~1916 |
Census Appearances
1920
Philadelphia, Pennsylvania
Son, age 7
Philadelphia, Pennsylvania · implied b. ~1913 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | James E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Son, age 16
Philadelphia, Pennsylvania · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | James J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Head, age 26
Philadelphia-County, Pennsylvania · implied b. ~1914 — 4 household members
| Surname | Cox |
| Given Name | James Sr. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Philadelphia |
| Occupation | laborer |
| Industry | automobile |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 500 |
| Highest Grade | Hs 1 |
| 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 James Cox across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Cox (~0.92 confidence) and mother Lydia Cox (~0.92 confidence) and mother Agatha Cox (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Cox
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Lydia Cox
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Agatha Cox
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Cox
Head · 1940 · age 26 · b. ~1914 · 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 — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03697-00624)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dolores Raudenbush | 6 | daughter | — | Pennsylvania |
| 2 | George Jr. Raudenbush | 1 | son | — | Pennsylvania |
| 3 | Harry Kaplan | 38 | head | Brick Pointer | Pennsylvania |
| 4 | Elizabeth Kaplan | 34 | wife | — | Pennsylvania |
| 5 | Harry Jr. Kaplan | 14 | son | — | Pennsylvania |
| 6 | James Kaplan | 3 | son | — | Pennsylvania |
| 7 | Alfred Hermann | 35 | head | Handy Man | Germany |
| 8 | Rose Hermann | 30 | wife | — | Germany |
| 9 | Gertrude Hermann | 4 | daughter | — | Pennsylvania |
| 10 | John Callahan | 56 | head | Baker | Pennsylvania |
| 11 | Joseph Callahan | 22 | son | Laborer | Pennsylvania |
| 12 | Cornelius Callahan | 17 | son | New Worker | Pennsylvania |
| 13 | John Kreko | 34 | head | Chauffer | Pennsylvania |
| 14 | Bertha Kreko | 32 | wife | — | Pennsylvania |
| 15 | John Jr. Kreko | 10 | son | — | Pennsylvania |
| 16 | Charles Kreko | 5 | son | — | Pennsylvania |
| 17 | Dolores Kreko | 2 | daughter | — | Pennsylvania |
| 18 | Joseph Kreko | 0 | son | — | Pennsylvania |
| 19 | Paul Sr. Stabler | 32 | head | Clerk | Pennsylvania |
| 20 | Christine Stabler | 29 | wife | — | Pennsylvania |
| 21 | Paul Jr. Stabler | 3 | son | — | Pennsylvania |
| 22 | James Sr. Cox THIS PERSON | 26 | head | Laborer | Pennsylvania |
| 23 | Caroline Cox | 24 | wife | — | Pennsylvania |
| 24 | Dolores Cox | 4 | daughter | — | Pennsylvania |
| 25 | James Jr. Cox | 2 | son | — | Pennsylvania |
| 26 | John Sr. Moore | 26 | head | Shipper | Pennsylvania |
| 27 | Helen Moore | 27 | wife | — | Pennsylvania |
| 28 | Janet Moore | 7 | daughter | — | Pennsylvania |
| 29 | John Jr. Moore | 4 | son | — | Pennsylvania |
| 30 | William Moore | 3 | son | — | Pennsylvania |
| 31 | Robert Moore | 2 | son | — | Pennsylvania |
| 32 | Florence Moore | 0 | daughter | — | Pennsylvania |
| 33 | Mary Meane | 39 | head | — | Pennsylvania |
| 34 | Russell Barry | 30 | head | Assembler | Pennsylvania |
| 35 | Harriet Barry | 25 | wife | — | Pennsylvania |
| 36 | June Barry | 3 | daughter | — | Pennsylvania |
| 37 | Dolores Barry | 1 | daughter | — | Pennsylvania |
| 38 | Herman Peterman | 56 | head | Machine Oper. | Pennsylvania |
| 39 | Ethel Peterman | 50 | wife | — | Maryland |
| 40 | James Higgins | 35 | head | Chauffer | Pennsylvania |
Related Census Records
Pedigree Summary
James
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)