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Joseph Jenkins — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Joseph Jenkins across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Joseph & Joseph — first a son (b.~1920), then head of a 7-person household.
Age 20
b. ~1920
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Jenkins |
| Given Name | Joseph Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Stoneham |
| Additional Details | |
| Occupation | Chemist |
| Industry | Chemical |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 900 |
| Highest Grade | Hs 4 |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Chemist |
| Township / Ward | Stoneham |
| Est. Birth Year | ~1920 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Richard Jenkins | Son | — | 15 | ~1925 |
| Jennie Stevens | Other | — | 76 | ~1864 |
| David Jenkins | Son | — | 19 | ~1921 |
| Joseph Jenkins | Son | — | 20 | ~1920 |
| Helen Stevens | Other | — | 63 | ~1877 |
| Joseph Jenkins | Head | — | 46 | ~1894 |
| Kathleen Jenkins | Spouse | — | 43 | ~1897 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 1
Middlesex, Massachusetts · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jenkins |
| Given Name | Joseph C. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 11
Middlesex, Massachusetts · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jenkins |
| Given Name | Joseph C. Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 20
Middlesex-County, Massachusetts · implied b. ~1920 — 7 household members
| Surname | Jenkins |
| Given Name | Joseph Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Stoneham |
| Occupation | Chemist |
| Industry | Chemical |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 900 |
| Highest Grade | Hs 4 |
| 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 Jenkins across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Jenkins (~0.92 confidence) and father Joseph Jenkins (~0.92 confidence) and mother Catherine Jenkins (~0.92 confidence) and mother Kathleen Jenkins (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Jenkins
b. ~1894
Source father
● Household
· direct · ~0.92
Father
Joseph Jenkins
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Catherine Jenkins
b. ~1898
Source mother
● Household
· direct · ~0.92
Mother
Kathleen Jenkins
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Jenkins
Son · 1940 · age 20 · b. ~1920 · Massachusetts
★ You are viewing this record
Sibling
David Jenkins
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Jenkins
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01617-00468)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Claude Hansell | 2 | Grand Son | — | Massachusetts |
| 42 | Muriel Hansell | 0 | Grand Daughter | — | Massachusetts |
| 43 | Cazual Martin | 26 | Lodger | Roofer | Canada |
| 44 | Victor J Duplin | 69 | Head | Foreman | Massachusetts |
| 45 | Alice J Duplin | 74 | Wife | — | Massachusetts |
| 46 | Maud S Van Buren | 69 | Head | — | Canada |
| 47 | Mauds Van Buren | 40 | daughter | Clerical | Massachusetts |
| 48 | Edythe Van Buren | 38 | daughter | Clerical | Massachusetts |
| 49 | Mary Van Buren | 33 | daughter | Bookkeeper | Massachusetts |
| 50 | Joseph Jenkins | 46 | Head | Clerk | Massachusetts |
| 51 | Kathleen Jenkins | 43 | Wife | — | Massachusetts |
| 52 | Joseph Jr Jenkins THIS PERSON | 20 | Son | Chemist | Massachusetts |
| 53 | David S Jenkins | 19 | Son | — | Massachusetts |
| 54 | Richard T Jenkins | 15 | Son | — | Massachusetts |
| 55 | Jennie Stevens | 76 | Mother In Law | — | Massachusetts |
| 56 | Helen Stevens | 63 | Lodger | — | Massachusetts |
| 57 | Raymond Stanley | 43 | Head | Teller | Massachusetts |
| 58 | Agness Stanley | 45 | Wife | — | Massachusetts |
| 59 | Leonard O Girard | 45 | Head | Builder | Massachusetts |
| 60 | Mary E Girard | 41 | Wife | — | Massachusetts |
| 61 | Leonard O Jr Girard | 18 | Son | Bookkeeper | Massachusetts |
| 62 | Margaret Girard | 17 | daughter | Stenographer | Massachusetts |
| 63 | Ann D Girard | 16 | daughter | — | Massachusetts |
| 64 | Marie T Girard | 15 | daughter | — | Massachusetts |
| 65 | Bertha Girard | 14 | daughter | — | Massachusetts |
| 66 | Charles Duran | 32 | Head | Oil Dealer | Massachusetts |
| 67 | Evelyn Duran | 31 | Wife | — | Massachusetts |
| 68 | Janice Duran | 5 | daughter | — | Massachusetts |
| 69 | James Campbell | 68 | Father In Law | Sole Cutter | Canada |
| 70 | Warren Caswell | 43 | Head | Loader | Massachusetts |
| 71 | Gladys Caswell | 42 | Wife | — | Massachusetts |
| 72 | Emma Caswell | 18 | daughter | Receptionist | Massachusetts |
| 73 | Charles H Caswell | 45 | Head | Mechanic | Massachusetts |
| 74 | Emma L Caswell | 81 | Mother | — | Massachusetts |
| 75 | Donald Maclean | 42 | Head | Carpenter | English |
| 76 | Annie Maclean | 42 | Wife | — | Canada |
| 77 | Robert Maclean | 13 | Son | — | Florida |
| 78 | Ann Maclean | 7 | daughter | — | Massachusetts |
| 79 | Wilhemina Abarnet | 9 | Niece | — | Massachusetts |
| 80 | Clara Meade | 69 | Head | Retired | Massachusetts |
Pedigree Summary
Joseph + 2 siblings
Gen 1 · 4 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)