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James Kelley — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this James Kelley across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Edward & Edward — first a head (b.~1909), then head of a 7-person household.
Age 31
b. ~1909
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Kelley |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Cambridge City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Laborer-Shipper |
| Industry | Wholesale Oil Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 960 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Laborer-Shipper |
| Township / Ward | Cambridge City |
| Est. Birth Year | ~1909 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Mary Kelley | Daughter | — | 6 | ~1934 |
| Margaret Kelley | Daughter | — | 2 | ~1938 |
| James Kelley | Head | — | 31 | ~1909 |
| Francis Kelley | Son | — | 3 | ~1937 |
| Infant Kelley | Son | — | ~1940 | |
| James Kelley | Son | — | 5 | ~1935 |
| Catherine Kelley | Spouse | — | 28 | ~1912 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 13
Middlesex, Massachusetts · implied b. ~1907 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
Son, age 22
Middlesex, Massachusetts · implied b. ~1908 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Age at First Marriage | 22 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Laborer |
| Industry | Expressing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Head, age 31
Middlesex-County, Massachusetts · implied b. ~1909 — 7 household members
| Surname | Kelley |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Cambridge City |
| 1935 Residence (County) | Middlesex |
| Occupation | Laborer-Shipper |
| Industry | Wholesale Oil Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 960 |
| Highest Grade | Hs 4 |
| 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 James Kelley across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Kelly (~0.92 confidence) and father Edward Kelly (~0.92 confidence) and mother Annie Kelly (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Kelly
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Edward Kelly
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Annie Kelly
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Kelley
Head · 1940 · age 31 · b. ~1909 · Massachusetts
★ 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 — 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-t0627-01684-00064)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ernest Burns | 21 | Head | Shipper | Massachusetts |
| 2 | Gertrude Burns | 21 | Wife | — | Massachusetts |
| 3 | Gertrude Burns | 1 | Daughter | — | Massachusetts |
| 4 | Leonard Shore | 25 | Head | Laborer | Massachusetts |
| 5 | Helen Shore | 25 | Wife | — | Massachusetts |
| 6 | Barbara Shore | 5 | Daughter | — | Massachusetts |
| 7 | Patricia Shore | 0 | Daughter | — | Massachusetts |
| 8 | Joseph Vitello | 29 | Head | Shoe Worker | Massachusetts |
| 9 | Antoinette Vitello | 24 | Wife | — | Massachusetts |
| 10 | Joseph Vitello | 6 | Son | — | Massachusetts |
| 11 | Mary Vitello | 4 | Daughter | — | Massachusetts |
| 12 | Elizabeth Vitello | 2 | Daughter | — | Massachusetts |
| 13 | Frank Budra | 25 | Head | Laborer | Massachusetts |
| 14 | Constance Budra | 21 | Wife | — | Massachusetts |
| 15 | Francis Budra | 0 | Son | — | Massachusetts |
| 16 | James Kelley THIS PERSON | 31 | Head | Laborer-Shipper | Massachusetts |
| 17 | Catherine Kelley | 28 | Wife | — | Massachusetts |
| 18 | Mary Kelley | 6 | Daughter | — | Massachusetts |
| 19 | James Kelley | 5 | Son | — | Massachusetts |
| 20 | Francis Kelley | 3 | Son | — | Massachusetts |
| 21 | Margaret Kelley | 2 | Daughter | — | Massachusetts |
| 22 | Infant Kelley | 0 | Son | — | Massachusetts |
| 23 | Daniel J. Tobin | 32 | Head | Machine Operat. | Eire |
| 24 | Delia Tobin | 29 | Wife | — | Eire |
| 25 | John Tobin | 5 | Son | — | Massachusetts |
| 26 | Claire Tobin | 4 | Daughter | — | Massachusetts |
| 27 | Mary Tobin | 2 | Daughter | — | Massachusetts |
| 28 | Lawrence O'Hearn | 28 | Head | Electrician | Massachusetts |
| 29 | Wanda O'Hearn | 22 | Wife | — | Massachusetts |
| 30 | Lawrence R. Jr. O'Hearn | 1 | Son | — | Massachusetts |
| 31 | Bernard Serafin | 60 | Head | Clerk | Poland |
| 32 | Veronica Serafin | 55 | Wife | — | Poland |
| 33 | Joseph Serafin | 27 | Son | Laborer-Baker | Massachusetts |
| 34 | Charles J. Saparois | 24 | Head | Machine Operat. | Massachusetts |
| 35 | Sophia Saparois | 20 | Wife | — | Massachusetts |
| 36 | Joseph Saparois | 54 | Father | Cutter | Lithuania |
| 37 | Dickranouhi Avakian | 48 | Head | — | Armenia |
| 38 | Charles Avakian | 21 | Son | Expressman-Helper | Massachusetts |
| 39 | Kohur Avakian | 20 | Daughter | Instructor | Massachusetts |
| 40 | John Magliozzi | 28 | Head | Fireman | Massachusetts |
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)