JM
John Mclaughlin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Mclaughlin across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1895), then head of a 3-person household.
Age 45
b. ~1895
Male
Head
Born: Mass
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | McLaughlin |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Mass |
| 1935 Residence (City) | Sa. place |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Assistant Registrar-Voters |
| Industry | City of Boston |
| Class of Worker | GW |
| Hours Worked | 38 |
| Income (1939) | 1698 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | mass |
| Occupation | Assistant Registrar-Voters |
| Township / Ward | Boston City |
| Est. Birth Year | ~1895 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Mclaughlin | Head | — | 45 | ~1895 |
| Thomas Mclaughlin | Son | — | 9 | ~1931 |
| Margaret Mclaughlin | Spouse | — | 42 | ~1898 |
Census Appearances
1920
Suffolk, Massachusetts
Head, age 26
Suffolk, Massachusetts · implied b. ~1894 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McLaughlin |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Mass |
| Father's Birthplace | Mass |
| Mother's Birthplace | Mass |
| Occupation | salesman |
| Industry | Grocery |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | mass |
1930
Suffolk, Massachusetts
Head, age 37
Suffolk, Massachusetts · implied b. ~1893 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McLaughlin |
| Given Name | John J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Mass |
| Age at First Marriage | 33 |
| Father's Birthplace | Mass |
| Mother's Birthplace | Mass |
| Occupation | Machinist |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 35 |
| Radio Set | R |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | mass |
1940
Suffolk-County, Massachusetts
Head, age 45
Suffolk-County, Massachusetts · implied b. ~1895 — 3 household members
| Surname | McLaughlin |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Mass |
| 1935 Residence (City) | Sa. place |
| 1935 Residence (County) | Suffolk |
| Occupation | Assistant Registrar-Voters |
| Industry | City of Boston |
| Class of Worker | GW |
| Hours Worked | 38 |
| Income (1939) | 1698 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | mass |
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 Mclaughlin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Mclaughlin
Head · 1940 · age 45 · b. ~1895 · 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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01679-00175)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Claire M. Robinson | 9 | Daughter | — | Mass |
| 42 | Russell J. Robinson | 17 | Son | New Worker | Mass |
| 43 | Paul W. Robinson | 13 | Son | — | Oklahoma |
| 44 | Greta Peterson | 42 | Head | Custodian | Sweden |
| 45 | Herbert E. Peterson | 23 | Son | Salesman | Sweden |
| 46 | Ethel Peterson | 18 | Daughter | — | Sweden |
| 47 | Kjell H. Peterson | 16 | Son | — | Sweden |
| 48 | Thomas J. O'Hare | 33 | Head | Manager | England |
| 49 | Mary E. O'Hare | 26 | Wife | — | Mass |
| 50 | Thomas J. O'Hare | 1 | Son | — | Mass |
| 51 | John J. Mclaughlin THIS PERSON | 45 | Head | Assistant Registrar-Voters | Mass |
| 52 | Margaret M. Mclaughlin | 42 | Wife | — | Mass |
| 53 | Thomas L. Mclaughlin | 9 | Son | — | Mass |
| 54 | Carlos Krebs | 42 | Head | Mechanical Engineer | Brazil |
| 55 | Hazel S. Krebs | 40 | Wife | — | Mass |
| 56 | Charlotte L. Krebs | 10 | Daughter | — | Mass |
| 57 | Edith M. Dunlavy | 56 | Head | Office-Secretary | Mass |
| 58 | Lillian B. Adams | 49 | Sister | Stenographer | Mass |
| 59 | Edith L. Dunlavy | 78 | Mother | — | Mass |
| 60 | Lillian L. Child | 27 | Head | Inspector | N. Hampshire |
| 61 | Alice R. Child | 27 | Wife | Under-Writer | Mass |
| 62 | Ernest L. Stelle | 67 | Head | — | New Jersey |
| 63 | Gertrude B. Stelle | 68 | Wife | — | New York |
| 64 | Elizabeth Lindsay | 35 | Maid | Maid | Mass |
| 65 | Charles J. Deley | 50 | Head | Employer & Salesman | Mass |
| 66 | Mary R. Deley | 38 | Wife | — | Mass |
| 67 | Margaret G. Redmond | 44 | Sister in law | Clerk-Stenog. | Mass |
| 68 | John E. Redmond | 50 | Brother in law | Stenographer | Mass |
| 69 | Max S. Palster | 56 | Head | Musician | Germany |
| 70 | Wilhelmina Palster | 65 | Wife | — | Germany |
| 71 | Claire J. Palster | 24 | Daughter | Secretary | Germany |
| 72 | Jeremiah J. Sullivan | 61 | Head | — | Connecticut |
| 73 | Anna E. Sullivan | 60 | Sister | Court Stenographer | Connecticut |
| 74 | Mary G. Johnson | 76 | Maid | Maid | Mass |
| 75 | Lillian | 22 | Maid | — | Mass |
| 76 | Arthur L. Isberg | 44 | Head | Captain | Sweden |
| 77 | Helen C. Isberg | 43 | Wife | — | Mass |
| 78 | Barbara A. Isberg | 11 | Daughter | — | Mass |
| 79 | Jean M. Isberg | 10 | Daughter | — | Mass |
| 80 | Helen E. Isberg | 9 | Daughter | — | Mass |
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)