JM
James Mclaughlin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this James Mclaughlin across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1917), then head of a 16-person household.
Age 23
b. ~1917
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | McLaughlin |
| Given Name | James Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston-city |
| 1935 Residence (County) | SUFFOLK |
| Additional Details | |
| Occupation | Salad Man |
| Industry | Restaurant |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 728 |
| Highest Grade | No 4 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Salad Man |
| Township / Ward | Bostoncity |
| Est. Birth Year | ~1917 |
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.
16 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Mclaughlin | Daughter | — | 12 | ~1928 |
| Rita Mclaughlin | Daughter | — | 6 | ~1934 |
| Veronica Mclaughlin | Daughter | — | 9 | ~1931 |
| Frances Mclaughlin | Daughter | — | 5 | ~1935 |
| Marjorie Mclaughlin | Daughter | — | 14 | ~1926 |
| Rose Mclaughlin | Daughter | — | 10 | ~1930 |
| Catherine Mclaughlin | Daughter | — | 21 | ~1919 |
| Cecelia Mclaughlin | Daughter | — | 7 | ~1933 |
| James Mclaughlin | Head | — | 50 | ~1890 |
| William Mclaughlin | Son | — | 17 | ~1923 |
| Robert Mclaughlin | Son | — | 3 | ~1937 |
| Thomas Mclaughlin | Son | — | 19 | ~1921 |
| James Mclaughlin | Son | — | 23 | ~1917 |
| Cornelius Mclaughlin | Son | — | 8 | ~1932 |
| Vincent Mclaughlin | Son | — | 15 | ~1925 |
| Catherine Mclaughlin | Spouse | — | 47 | ~1893 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 13
Suffolk, Massachusetts · implied b. ~1917 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McLaughlin |
| Given Name | James J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Northern Ireland |
| Mother's Birthplace | Northern Ireland |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 23
Suffolk-County, Massachusetts · implied b. ~1917 — 16 household members
| Surname | McLaughlin |
| Given Name | James Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston-city |
| 1935 Residence (County) | SUFFOLK |
| Occupation | Salad Man |
| Industry | Restaurant |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 728 |
| Highest Grade | No 4 |
| 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 James Mclaughlin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Mclaughlin
Son · 1940 · age 23 · b. ~1917 · Massachusetts
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Sibling
Frances Mclaughlin
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Mclaughlin
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Mclaughlin
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita Mclaughlin
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marjorie Mclaughlin
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Veronica Mclaughlin
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Mclaughlin
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cecelia Mclaughlin
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Mclaughlin
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vincent Mclaughlin
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cornelius Mclaughlin
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Mclaughlin
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Mclaughlin
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 — 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-t0627-01659-00620)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Francis D. O'Brien | 32 | Head | — | Massachusetts |
| 2 | Marie O'Brien | 31 | Wife | — | Massachusetts |
| 3 | James F. O'Brien | 13 | Son | — | Massachusetts |
| 4 | Francis X. O'Brien | 12 | Son | — | Massachusetts |
| 5 | Cornelius Doherty | 41 | Head | Mach-Foreman | Eire |
| 6 | Catherine Doherty | 36 | Wife | — | Eire |
| 7 | Cornelius W. Doherty | 13 | Son | — | Massachusetts |
| 8 | Mary C. Doherty | 12 | Daughter | — | Massachusetts |
| 9 | Catherine V. Doherty | 11 | Daughter | — | Massachusetts |
| 10 | Patricia R. Doherty | 10 | Daughter | — | Massachusetts |
| 11 | Francis J. Doherty | 8 | Son | — | Massachusetts |
| 12 | Oscar West | 50 | Head | Longshoreman | Massachusetts |
| 13 | Daniel F. Hurley | 26 | Head | Janitor | Massachusetts |
| 14 | Mary F. Hurley | 26 | Wife | — | Massachusetts |
| 15 | James Mclaughlin | 50 | Head | Meat-Cutter | Eire |
| 16 | Catherine A. Mclaughlin | 47 | Wife | — | Eire |
| 17 | James Jr. Mclaughlin THIS PERSON | 23 | Son | Salad Man | Massachusetts |
| 18 | Catherine Mclaughlin | 21 | Daughter | Soda Clerk | Massachusetts |
| 19 | Thomas P. Mclaughlin | 19 | Son | — | Massachusetts |
| 20 | William J. Mclaughlin | 17 | Son | — | Massachusetts |
| 21 | Vincent P. Mclaughlin | 15 | Son | — | Massachusetts |
| 22 | Marjorie T. Mclaughlin | 14 | Daughter | — | Massachusetts |
| 23 | Elizabeth Mclaughlin | 12 | Daughter | — | Massachusetts |
| 24 | Rose Mclaughlin | 10 | Daughter | — | Massachusetts |
| 25 | Veronica Mclaughlin | 9 | Daughter | — | Massachusetts |
| 26 | Cornelius Mclaughlin | 8 | Son | — | Massachusetts |
| 27 | Cecelia V. Mclaughlin | 7 | Daughter | — | Massachusetts |
| 28 | Rita Mclaughlin | 6 | Daughter | — | Massachusetts |
| 29 | Frances P. Mclaughlin | 5 | Daughter | — | Massachusetts |
| 30 | Robert F. Mclaughlin | 3 | Son | — | Massachusetts |
| 31 | John J. Sullivan | 53 | Head | Watchman | Eire |
| 32 | Mary T. Sullivan | 45 | Wife | — | Eire |
| 33 | Joseph G. Sullivan | 24 | Son | Office Worker | Massachusetts |
| 34 | John J. Sullivan | 22 | Son | Laborer | Massachusetts |
| 35 | Patrick F. Sullivan | 21 | Son | Messenger | Massachusetts |
| 36 | Mary T. Sullivan | 19 | Daughter | Mothers Helper | Massachusetts |
| 37 | Thomas J. Sullivan | 17 | Son | — | Massachusetts |
| 38 | Edward F. Sullivan | 14 | Son | — | Massachusetts |
| 39 | Catherine Sullivan | 11 | Daughter | — | Massachusetts |
| 40 | Julia Sullivan | 8 | Daughter | — | 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)