WM
William Mclaughlin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this William Mclaughlin across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Marie & Mary — first a head (b.~1903), then head of a 3-person household.
Age 37
b. ~1903
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | McLaughlin |
| Given Name | William J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Director |
| Industry | WPA Recreation project |
| Class of Worker | GW |
| Hours Worked | 15 |
| Income (1939) | 487 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Director |
| Township / Ward | Boston City |
| Est. Birth Year | ~1903 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| William Mclaughlin | Head | — | 37 | ~1903 |
| William Mclaughlin | Son | — | 15 | ~1925 |
| Florence Mclaughlin | Spouse | — | 37 | ~1903 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 15
Suffolk, Massachusetts · implied b. ~1905 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McLaughlin |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 25
Suffolk, Massachusetts · implied b. ~1905 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McLaughlin |
| Given Name | William J |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Teamster |
| Industry | Trucking |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Head, age 37
Suffolk-County, Massachusetts · implied b. ~1903 — 3 household members
| Surname | McLaughlin |
| Given Name | William J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Occupation | Director |
| Industry | WPA Recreation project |
| Class of Worker | GW |
| Hours Worked | 15 |
| Income (1939) | 487 |
| Highest Grade | Hs 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 William Mclaughlin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Marie Mclaughlin (~0.92 confidence) and mother Mary Mclaughlin (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Marie Mclaughlin
b. ~1865
Source mother
● Household
· direct · ~0.92
Mother
Mary Mclaughlin
b. ~1869
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Mclaughlin
Head · 1940 · age 37 · b. ~1903 · 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-t0627-01681-00353)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary J. Goodman | 27 | Wife | — | Massachusetts |
| 2 | Dorothy J. Goodman | 9 | Daughter | — | Massachusetts |
| 3 | Adalyn D. Mellen | 22 | Law | Sales Clerk | Massachusetts |
| 4 | Benjamin F. Edson | 35 | Head | Asst Manager | Massachusetts |
| 5 | Betty S. Edson | 35 | Wife | — | Russia |
| 6 | Gloria J. Edson | 11 | Daughter | — | Oklahoma |
| 7 | Lewis H. Edson | 9 | Son | — | Oklahoma |
| 8 | Louis J. Rogelsky | 63 | Head | Manager | Lithuania |
| 9 | Mina Rogelsky | 59 | Wife | — | Russia |
| 10 | Doris Rogelsky | 34 | Daughter | Teacher | Massachusetts |
| 11 | Bernard Rogell | 32 | Son | Dentist | Massachusetts |
| 12 | Samuel Steinberg | 42 | Head | Manager | Russia |
| 13 | Bertha Steinberg | 39 | Wife | — | Massachusetts |
| 14 | Melvyn A. Steinberg | 17 | Son | — | Massachusetts |
| 15 | Helen R. Steinberg | 12 | Daughter | — | Massachusetts |
| 16 | Jordan H. Steinberg | 2 | Son | — | Massachusetts |
| 17 | George H. Visser | 71 | Father-in-law | — | Russia |
| 18 | Gertrude Visser | 35 | Sister-in-law | Secretary | Massachusetts |
| 19 | Lionel Langevin | 38 | Head | Barber | Massachusetts |
| 20 | Sadie F. Langevin | 45 | Wife | — | Newfoundland |
| 21 | Israel Jacot | 61 | Head | — | Russia |
| 22 | Rose Jacot | 43 | Wife | — | Massachusetts |
| 23 | Leona E. Hartwell | 44 | Head | Fitter | Canada English |
| 24 | Benjamin J. Hurley | 33 | Head | Salesman (Inside) | Massachusetts |
| 25 | Rose Hurley | 30 | Wife | — | Massachusetts |
| 26 | Amy B. Hurley | 3 | Daughter | — | Massachusetts |
| 27 | Vera E. Gidney | 30 | Head | Trained Nurse | Canada English |
| 28 | Lawrence E. Mogue | 36 | Head | Organ Builder | Massachusetts |
| 29 | Cynthia V. Mogue | 34 | Wife | — | Canada French |
| 30 | William J. Mclaughlin THIS PERSON | 37 | Head | Director | Massachusetts |
| 31 | Florence M. Mclaughlin | 37 | Wife | — | Massachusetts |
| 32 | William J. Jr. Mclaughlin | 15 | Son | — | Massachusetts |
| 33 | Abraham Goldberg | 30 | Head | House Painter | Poland |
| 34 | Anna M. Goldberg | 32 | Wife | — | Massachusetts |
| 35 | Bernard M. Cotton | 29 | Head | Optician | Massachusetts |
| 36 | Sarah Cotton | 28 | Wife | Statistician | Massachusetts |
| 37 | Churchill C. Winters | 33 | Head | Painter | Massachusetts |
| 38 | Mary L. Winters | 38 | Wife | — | British Free State |
| 39 | Mary L. Winters | 8 | Daughter | — | Massachusetts |
| 40 | Benjamin S. Bernhard | 46 | Head | Engineer | Connecticut |
Pedigree Summary
William
Gen 1 · 2 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)