JK
John Kelly — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Kelly across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Daniel & William — first a son (b.~1916), then head of a 6-person household.
Age 24
b. ~1916
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Kelly |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Salesman |
| Industry | Gourmet Co. |
| Class of Worker | PW |
| Hours Worked | 22 |
| Income (1939) | 936 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Salesman |
| Township / Ward | Boston City |
| Est. Birth Year | ~1916 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Eleanor Kelly | Daughter | — | 28 | ~1912 |
| Marion Kelly | Daughter | — | 22 | ~1918 |
| Daniel Kelly | Head | — | 69 | ~1871 |
| John Kelly | Son | — | 24 | ~1916 |
| D Kelly | Son | — | 31 | ~1909 |
| Ellen Kelly | Spouse | — | 60 | ~1880 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 4
Suffolk, Massachusetts · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | England |
| Mother's Birthplace | Massachusetts |
| Can Read | No |
| Can Write | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 14
Suffolk, Massachusetts · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 24
Suffolk-County, Massachusetts · implied b. ~1916 — 6 household members
| Surname | Kelly |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Occupation | Salesman |
| Industry | Gourmet Co. |
| Class of Worker | PW |
| Hours Worked | 22 |
| Income (1939) | 936 |
| Highest Grade | Hs 3 |
| 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 John Kelly across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Daniel Kelly (~0.92 confidence) and father William Kelly (~0.92 confidence) and mother Lillian Kelly (~0.92 confidence) and mother Ellen Kelly (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Daniel Kelly
b. ~1871
Source father
● Household
· direct · ~0.92
Father
William Kelly
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Lillian Kelly
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Ellen Kelly
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Kelly
Son · 1940 · age 24 · b. ~1916 · Massachusetts
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Sibling
Eleanor Kelly
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Kelly
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
D Kelly
Sibling · 1940 · age 31
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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-01659-00626)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 2 | Mabel Ross | 55 | Head | — | Pennsylvania |
| 3 | Mildred Ross | 29 | Daughter | — | Massachusetts |
| 4 | Ethel Ross | 13 | Daughter | — | Massachusetts |
| 5 | Etta Andrews | 65 | Head | — | Canada-English |
| 6 | Walter W. Andrews | 32 | Son | — | Massachusetts |
| 7 | Joseph M. Andrews | 24 | Son | Laborer | Massachusetts |
| 8 | Joseph H. Andrew | 8 | Grandson | — | Massachusetts |
| 9 | Movina E. Custeau | 38 | Head | — | New Hampshire |
| 10 | Lillian B. Custeau | 12 | Daughter | — | Massachusetts |
| 11 | Hazen L. Prescott | 75 | Step Father | — | New Hampshire |
| 12 | Joseph F. Farlardeau | 57 | Head | Laborer | Massachusetts |
| 13 | Maude E. Farlardeau | 58 | Wife | — | Massachusetts |
| 14 | Nora C. Denehy | 66 | Head | — | Eire |
| 15 | Cornelius E. Denehy | 37 | Son | Supervisor | Massachusetts |
| 16 | Annie Coot | 59 | Head | Seamstress | Massachusetts |
| 17 | Arthur Munroe | 34 | Head | Chauffeur | Massachusetts |
| 18 | Dorothy Munroe | 36 | Wife | Machine Operator | Massachusetts |
| 19 | Daniel D. Kelly | 69 | Head | Watchman | Eire |
| 20 | Ellen M. Kelly | 60 | Wife | Cleaner | Eire |
| 21 | D. Joseph Kelly | 31 | Son | Elevator Operator | Massachusetts |
| 22 | Eleanor Kelly | 28 | Daughter | — | Massachusetts |
| 23 | John J. Kelly THIS PERSON | 24 | Son | Salesman | Massachusetts |
| 24 | Marion Kelly | 22 | Daughter | Stenographer | Massachusetts |
| 25 | Nora Dineen | 74 | Head | — | Eire |
| 26 | Daniel G. Burns | 54 | Head | Freight-Handler | Eire |
| 27 | Margaret Burns | 54 | Wife | — | Eire |
| 28 | John E. Burns | 22 | Son | Shipper | Massachusetts |
| 29 | Daniel J. Burns | 20 | Son | Elevator Boy | Massachusetts |
| 30 | Thomas Burns | 55 | Brother-in-law | — | Eire |
| 31 | Anna Burns | 25 | Niece | Packer | Massachusetts |
| 32 | Catherine T. Burns | 22 | Niece | Chambermaid | Massachusetts |
| 33 | James P. Burns | 25 | Lodger | — | Massachusetts |
| 34 | Thomas Kiely | 63 | Head | Laborer | Eire |
| 35 | Katherine F. Kiely | 52 | Wife | Cleaner | Eire |
| 36 | Katherine L. Kiely | 20 | Daughter | Secretary | Massachusetts |
| 37 | Thomas F. Kiely | 17 | Son | — | Massachusetts |
| 38 | John Kiely | 12 | Son | — | Massachusetts |
| 39 | Mary Madden | 65 | Head | — | Massachusetts |
Pedigree Summary
John + 3 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)