JK
James Kelly — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hampden-County, Massachusetts
Our Model Tree links this James Kelly across the 1920, 1930 and 1940 US Censuses in Hampden-County, Massachusetts (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1912), then head of a 6-person household.
Age 28
b. ~1912
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hampden-County, Massachusetts |
| Surname | Kelly |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Hampden |
| Additional Details | |
| Occupation | motor tester |
| Industry | aircraft company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1414 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Motor Tester |
| Township / Ward | Springfield |
| Est. Birth Year | ~1912 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Abbie Kelly | Daughter | — | 30 | ~1910 |
| John Kelly | Head | — | 62 | ~1878 |
| James Kelly | Son | — | 28 | ~1912 |
| Raymond Kelly | Son | — | 25 | ~1915 |
| John Kelly | Son | — | 32 | ~1908 |
| Rose Kelly | Spouse | — | 62 | ~1878 |
Census Appearances
1920
Hampden, Massachusetts
Son, age 9
Hampden, Massachusetts · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Hampden, Massachusetts
Son, age 19
Hampden, Massachusetts · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Hampden-County, Massachusetts
Son, age 28
Hampden-County, Massachusetts · implied b. ~1912 — 6 household members
| Surname | Kelly |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Hampden |
| Occupation | motor tester |
| Industry | aircraft company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1414 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| 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 Kelly across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Kelly (~0.92 confidence) and father John Kelly (~0.92 confidence) and father John Kelly (~0.92 confidence) and mother Rose Kelly (~0.92 confidence) and mother Rose Kelly (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Kelly
b. ~1879
Source father
● Household
· direct · ~0.92
Father
John Kelly
b. ~1878
Source father
● Household
· direct · ~0.92
Father
John Kelly
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Rose Kelly
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Rose Kelly
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Kelly
Son · 1940 · age 28 · b. ~1912 · Massachusetts
★ You are viewing this record
Sibling
Raymond Kelly
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Kelly
Sibling · 1940 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Abbie Kelly
Sibling · 1940 · age 30
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 — Hampden-County, Massachusetts
Open full size
1940 US Federal Census — Hampden-County, Massachusetts
Page Contents
20 people indexed on this census page (nara:1940:m-t0627-01709-00216)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Claire Tremblay | 4 | Daughter | — | Massachusetts |
| 42 | Nancy Tremblay | 2 | Daughter | — | Massachusetts |
| 43 | Josephine Bachand | 59 | Mother in law | Domestic | Canada |
| 44 | Joseph Powell | 55 | Head | Machinist | New York |
| 45 | Ella C. Powell | 45 | Wife | — | Connecticut |
| 46 | Harry A. Ayres | 67 | Head | — | Massachusetts |
| 47 | Susan C. Ayres | 68 | Wife | — | Massachusetts |
| 48 | Kenneth Johnson | 29 | Nephew | — | Massachusetts |
| 49 | Robert J. Johnson | 7 | Nephew | — | Massachusetts |
| 50 | Roger E. Johnson | 31 | Head | Inspector | Massachusetts |
| 51 | Hanne Johnson | 29 | Wife | — | Poland |
| 52 | Roger E. Jr. Johnson | 3 | Son | — | Massachusetts |
| 53 | Sally Johnson | 2 | Daughter | — | Massachusetts |
| 54 | M. Clark | 56 | Mother | — | Massachusetts |
| 55 | John F. Kelly | 62 | Head | — | Ireland |
| 56 | Rose P. Kelly | 62 | Wife | — | Ireland |
| 57 | John H. Kelly | 32 | Son | Machinist | Massachusetts |
| 58 | Abbie Kelly | 30 | Daughter | Secretary | Massachusetts |
| 59 | James Kelly THIS PERSON | 28 | Son | Motor Tester | Massachusetts |
| 60 | Raymond Kelly | 25 | Son | Clerk | Massachusetts |
Pedigree Summary
James + 3 siblings
Gen 1 · 5 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)