JL
John Laughlin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this John Laughlin across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 10-person household.
Age 55
b. ~1885
Male
Head
Born: Irish Free State
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Laughlin |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| 1935 Residence (City) | Cambridge |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Driver |
| Industry | Bakery Truck |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1300 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birthplace (normalized) | irish free state |
| Occupation | Driver |
| Township / Ward | Cambridge |
| Est. Birth Year | ~1885 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Laughlin | Head | — | 55 | ~1885 |
| Raymond Laughlin | Son | — | 27 | ~1913 |
| Edmund Laughlin | Son | — | 16 | ~1924 |
| Madeline Laughlin | Daughter | — | 22 | ~1918 |
| John Laughlin | Son | — | 31 | ~1909 |
| Theresa Ward | Other | — | 54 | ~1886 |
| Leonard Laughlin | Son | — | 28 | ~1912 |
| Margaret Laughlin | Spouse | — | 56 | ~1884 |
| Veronica Laughlin | Daughter | — | 18 | ~1922 |
| Muriel Adams | Other | — | 5 | ~1935 |
Census Appearances
1930
Suffolk, Massachusetts
Head, age 44
Suffolk, Massachusetts · implied b. ~1886
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Loughlin |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| Naturalization Status | Naturalized |
| Year of Immigration | 1908 |
| Age at First Marriage | 24 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | Carpenter |
| Industry | Contracting |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 38 |
| Birthplace (normalized) | irish free state |
1940
Middlesex-County, Massachusetts
Head, age 55
Middlesex-County, Massachusetts · implied b. ~1885 — 10 household members
| Surname | Laughlin |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| 1935 Residence (City) | Cambridge |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Naturalized |
| Occupation | Driver |
| Industry | Bakery Truck |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1300 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birthplace (normalized) | irish free state |
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 Laughlin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Laughlin
Head · 1940 · age 55 · b. ~1885 · Massachusetts
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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-t0627-01684-00354)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Samuel Thompson | 63 | Head | Engineer | Maine |
| 42 | Lizzie Thompson | 61 | Wife | — | Maine |
| 43 | Francis Bradley | 48 | Head | Laborer | England |
| 44 | Katherine Bradley | 46 | Wife | Chambermaid | Massachusetts |
| 45 | Francis Bradley | 21 | Son | Machinist | Massachusetts |
| 46 | Irene Bradley | 22 | Daughter | Packer | Massachusetts |
| 47 | Richard Youngclaus | 25 | Son-in-law | Clerk | Massachusetts |
| 48 | Marion Youngclaus | 24 | Daughter | — | Massachusetts |
| 49 | Richard Youngclaus | 0 | Grandson | — | Massachusetts |
| 50 | Jeremiah O'Brien | 63 | Head | Pier Guard | Irish Free State |
| 51 | Katherine O'Brien | 63 | Wife | — | Massachusetts |
| 52 | Rita O'Brien | 25 | Daughter | Checker | Massachusetts |
| 53 | Theresa O'Brien | 23 | Daughter | Salesgirl | Massachusetts |
| 54 | Mary O'Brien | 21 | Daughter | Salesgirl | Massachusetts |
| 55 | Joan Adams | 7 | Granddaughter | — | Massachusetts |
| 56 | Mary Cummings | 35 | Niece | Bookkeeper | Massachusetts |
| 57 | Thomas Kelly | 34 | Nephew | Laborer | Massachusetts |
| 58 | John Laughlin THIS PERSON | 55 | Head | Driver | Irish Free State |
| 59 | Margaret Laughlin | 56 | Wife | — | Massachusetts |
| 60 | John Laughlin | 31 | Son | Shipper | Massachusetts |
| 61 | Leonard Laughlin | 28 | Son | Kutter | Massachusetts |
| 62 | Raymond Laughlin | 27 | Son | Milk-Man | Massachusetts |
| 63 | Madeline Laughlin | 22 | Daughter | Salesgirl | Massachusetts |
| 64 | Veronica Laughlin | 18 | Daughter | New Worker | Massachusetts |
| 65 | Edmund Laughlin | 16 | Son | — | Massachusetts |
| 66 | Theresa Ward | 54 | Sister | — | Massachusetts |
| 67 | Muriel Adams | 5 | Grandchild | — | Massachusetts |
| 68 | Mary Kirkpried | 52 | Head | — | Massachusetts |
| 69 | Kenneth Kirkpried | 24 | Son | Packer | Massachusetts |
| 70 | Gannett Bornell | 32 | Son in law | Shipper | Massachusetts |
| 71 | Dorothy Bornell | 24 | Daughter | — | Massachusetts |
| 72 | Armand Vasseur | 24 | Son-in-law | Janitor | Vermont |
| 73 | Mary Vasseur | 26 | Daughter | — | Massachusetts |
| 74 | Joseph Auciello | 63 | Head | Cobbler | Italy |
| 75 | Lucy Auciello | 53 | Wife | — | Italy |
| 76 | Rosaria Auciello | 25 | Daughter | Dressmaker | Italy |
| 77 | Dominic Auciello | 21 | Son | — | Italy |
| 78 | Michael Auciello | 18 | Son | Presser | Italy |
| 79 | James Dance | 40 | Head | Serviceman | New York |
| 80 | Pearl Dance | 33 | Wife | — | Canada |
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)