JC
John Coughlin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Norfolk-County, Massachusetts
Our Model Tree links this John Coughlin across the 1930 and 1940 US Censuses in Norfolk-County, Massachusetts (XGBoost, ~Confirmed) — 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 | Norfolk-County, Massachusetts |
| Surname | Coughlin |
| Given Name | John H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Weymouth Town |
| 1935 Residence (County) | Norfolk |
| Additional Details | |
| Occupation | Attendant |
| Industry | Gasoline |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 40 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Attendant |
| Township / Ward | Weymouth Town |
| 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 John | Age | Birth yr |
|---|---|---|---|---|
| Pauline Coughlin | Spouse | — | 48 | ~1892 |
| Robert Coughlin | Son | — | 17 | ~1923 |
| Kathleen Coughlin | Daughter | — | 6 | ~1934 |
| Kenneth Coughlin | Son | — | 16 | ~1924 |
| Thomas Coughlin | Head | — | 49 | ~1891 |
| Thomas Coughlin | Son | — | 20 | ~1920 |
| John Coughlin | Son | — | 20 | ~1920 |
Census Appearances
1930
Norfolk, Massachusetts
Son, age 11
Norfolk, Massachusetts · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Coughlan |
| Given Name | John S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Norfolk-County, Massachusetts
Son, age 20
Norfolk-County, Massachusetts · implied b. ~1920 — 7 household members
| Surname | Coughlin |
| Given Name | John H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Weymouth Town |
| 1935 Residence (County) | Norfolk |
| Occupation | Attendant |
| Industry | Gasoline |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 40 |
| Highest Grade | H-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 John Coughlin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Coughlin
Son · 1940 · age 20 · b. ~1920 · Massachusetts
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Sibling
Kenneth Coughlin
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Coughlin
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathleen Coughlin
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Coughlin
Sibling · 1940 · age 17
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 — Norfolk-County, Massachusetts
Open full size
1940 US Federal Census — Norfolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01634-00246)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John B Amos | 47 | Head | Carpenter | Canada |
| 2 | Edith L Amos | 47 | Wife | — | Canada |
| 3 | William J Amos | 16 | Son | — | Massachusetts |
| 4 | Harry E Amos | 16 | Son | — | Massachusetts |
| 5 | Thomas E Amos | 14 | Son | — | Massachusetts |
| 6 | Frank Crandall | 50 | Head | 30 | Massachusetts |
| 7 | Ethel V Crandall | 50 | Wife | — | Massachusetts |
| 8 | Justin Hill | 42 | Head | Head Teller | Maine |
| 9 | Sylvia Hill | 37 | Wife | — | Massachusetts |
| 10 | Justin Jr Hill | 14 | Son | — | Massachusetts |
| 11 | Barbara Hill | 10 | Daughter | — | Massachusetts |
| 12 | Cora Sewall | 69 | Mother | Salesgirl | Maine |
| 13 | Ethel Pendleton | 10 | Boarder | — | Texas |
| 14 | Wellman Morris | 72 | Boarder | — | Massachusetts |
| 15 | Robert Nylander | 12 | Boarder | — | Massachusetts |
| 16 | Thomas J Coughlin | 49 | Head | P.O. Clerk | Massachusetts |
| 17 | Pauline M Coughlin | 48 | Wife | — | New York |
| 18 | Thomas Jr Coughlin | 20 | Son | Clerk | New York |
| 19 | John H Coughlin THIS PERSON | 20 | Son | Attendant | Massachusetts |
| 20 | Robert F Coughlin | 17 | Son | — | Massachusetts |
| 21 | Kenneth Coughlin | 16 | Son | — | Massachusetts |
| 22 | Kathleen Coughlin | 6 | Daughter | — | Massachusetts |
| 23 | Walter H Stuart | 46 | Head | Clerk | Massachusetts |
| 24 | Thelma D Stuart | 40 | Wife | — | Indiana |
| 25 | Walter H Jr Stuart | 8 | Son | — | Iowa |
| 26 | Clinton W Houghton | 73 | Head | Clerk | Massachusetts |
| 27 | Hannie E Houghton | 72 | Wife | — | Massachusetts |
| 28 | Arthur Mclean | 38 | Head | Manager | Australia |
| 29 | Bertha Mclean | 38 | Wife | — | Rhode Island |
| 30 | Winston Mclean | 13 | Son | — | Massachusetts |
| 31 | Kenneth Mclean | 12 | Son | — | Massachusetts |
| 32 | Albert L Jewett | 79 | Head | — | Massachusetts |
| 33 | Alice P Jewett | 66 | Wife | — | Massachusetts |
| 34 | Elizabeth Dewey | 74 | Friend | — | Massachusetts |
| 35 | Eugene H Crane | 27 | Head | Wool Technician | Massachusetts |
| 36 | Catherine S Crane | 25 | Wife | — | Massachusetts |
| 37 | Eugene H Jr Crane | 0 | Son | — | Massachusetts |
| 38 | Zymon Chuck | 29 | Head | Purchasing | Massachusetts |
| 39 | Pauline Chuck | 25 | Wife | — | Massachusetts |
| 40 | Robert Chuck | 2 | Son | — | 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)