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Joseph Cox — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Joseph Cox across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1890), then head of a 4-person household.
Age 50
b. ~1890
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Cox |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Haverhill city |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | Policeman |
| Industry | Local Dept. |
| Class of Worker | GW |
| Hours Worked | 56 |
| Income (1939) | 1989 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Policeman |
| Township / Ward | Haverhill City |
| Est. Birth Year | ~1890 |
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 Joseph | Age | Birth yr |
|---|---|---|---|---|
| William Cox | Son | — | 17 | ~1923 |
| Joseph Cox | Head | — | 50 | ~1890 |
| John Cox | Son | — | 23 | ~1917 |
| Roslinda Cox | Spouse | — | 47 | ~1893 |
Census Appearances
1920
Essex, Massachusetts
Head, age 29
Essex, Massachusetts · implied b. ~1891 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Paper maker |
| Industry | Paper mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Year of Naturalization | R |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Head, age 39
Essex, Massachusetts · implied b. ~1891
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Cox |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 24 |
| Father's Birthplace | England |
| Mother's Birthplace | Ireland |
| Occupation | Policeman |
| Industry | City Police Dept |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 4000 |
| Radio Set | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Head, age 50
Essex-County, Massachusetts · implied b. ~1890 — 4 household members
| Surname | Cox |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Haverhill city |
| 1935 Residence (County) | Essex |
| Occupation | Policeman |
| Industry | Local Dept. |
| Class of Worker | GW |
| Hours Worked | 56 |
| Income (1939) | 1989 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Joseph Cox across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Joseph Cox
Head · 1940 · age 50 · b. ~1890 · Massachusetts
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01581-00433)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Clifton Chase | 4 | Son | — | Massachusetts |
| 42 | Herbert C. Chase | 56 | Head | Turner | Maine |
| 43 | Ethel Chase | 57 | Wife | — | Massachusetts |
| 44 | Lloyd Chase | 25 | Son | Molder | Massachusetts |
| 45 | Leslie Chase | 21 | Son | Compositor | Massachusetts |
| 46 | Edwin Chase | 18 | Son | — | Massachusetts |
| 47 | Grace Chase | 15 | Daughter | — | Massachusetts |
| 48 | Edward Chase | 11 | Son | — | Massachusetts |
| 49 | Alfred Legault | 45 | Head | Wood Heeler | Massachusetts |
| 50 | Lillian Legault | 44 | Wife | Repairer | Massachusetts |
| 51 | Margaret Legault | 16 | Daughter | — | Massachusetts |
| 52 | Mary Pooler | 57 | Sister-in-law | — | Massachusetts |
| 53 | Carlton Pooler | 31 | Nephew | Clerk | Massachusetts |
| 54 | Howard Cox | 27 | Lodger | Driver | Massachusetts |
| 55 | — | None | — | — | — |
| 56 | Olivia Jerche | 58 | Head | Packer | Maine |
| 57 | Edward Littlefield | 42 | Brother | Slugger | Maine |
| 58 | Lillian B. Hayden | 42 | Head | P. B. X. Opr. | Massachusetts |
| 59 | Grant P. Hayden | 23 | Son | Seasoner | Massachusetts |
| 60 | Miriam L. Hayden | 21 | Daughter | New Worker | Massachusetts |
| 61 | Ethel E. Hayden | 20 | Daughter | Clerk | Massachusetts |
| 62 | Charles H. Hayden | 19 | Son | Truck Driver | Massachusetts |
| 63 | George E. Hayden | 17 | Son | — | Massachusetts |
| 64 | Joseph Cox THIS PERSON | 50 | Head | Policeman | Massachusetts |
| 65 | Roslinda Cox | 47 | Wife | Stitcher | Italy |
| 66 | John J. Cox | 23 | Son | — | Massachusetts |
| 67 | William D. Cox | 17 | Son | — | Massachusetts |
| 68 | Joseph F. Mccabe | 61 | Head | — | Rhode Island |
| 69 | Margaret Mccabe | 53 | Wife | Laundress | Massachusetts |
| 70 | Andre M. Mccabe | 31 | Daughter | Bookkeeper | Massachusetts |
| 71 | Francis C. Rhodes | 60 | Head | Finisher | New York |
| 72 | Mary A. Rhodes | 57 | Wife | — | Massachusetts |
| 73 | Margaret Rhodes | 18 | Daughter | — | Massachusetts |
| 74 | Francis C. Rhodes | 14 | Son | — | Massachusetts |
| 75 | Paul A. Rhodes | 10 | Son | — | Massachusetts |
| 76 | Helen A. Flynn | 21 | Daughter | — | Massachusetts |
| 77 | Harold Shattuck | 45 | Head | — | Massachusetts |
| 78 | Florence Shattuck | 41 | Wife | — | New Hampshire |
| 79 | Edith Shattuck | 18 | Daughter | New Worker | Massachusetts |
| 80 | Norma Shattuck | 16 | Daughter | New Worker | Massachusetts |
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)