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Margaret Mclaughlin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Margaret Mclaughlin across the 1910, 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents James & Neal — first a daughter (b.~1910), then head of a 9-person household.
Age 30
b. ~1910
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | McLaughlin |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Printer |
| Industry | Club |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1040 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Printer |
| Township / Ward | Medford City |
| Est. Birth Year | ~1910 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Mclaughlin | Daughter | — | 30 | ~1910 |
| Neal Mclaughlin | Head | — | 59 | ~1881 |
| Frances Mclaughlin | Daughter | — | 22 | ~1918 |
| George Mclaughlin | Son | — | 25 | ~1915 |
| Neal Mclaughlin | Son | — | 21 | ~1919 |
| Margaret Mclaughlin | Spouse | — | 49 | ~1891 |
| Katherine Mclaughlin | Daughter | — | 27 | ~1913 |
| Helen Mclaughlin | Other | — | 19 | ~1921 |
| John Mclaughlin | Son | — | 18 | ~1922 |
Census Appearances
1910
Middlesex, Massachusetts
Daughter, age 1
Middlesex, Massachusetts · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McLaughlin |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Daughter, age 11
Middlesex, Massachusetts · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McLaughlan |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| 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
Middlesex, Massachusetts
Daughter, age 21
Middlesex, Massachusetts · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McLaughlin |
| Given Name | Margaret P |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Clerk |
| Industry | Telephone |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Daughter, age 30
Middlesex-County, Massachusetts · implied b. ~1910 — 9 household members
| Surname | McLaughlin |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford City |
| 1935 Residence (County) | Middlesex |
| Occupation | Printer |
| Industry | Club |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1040 |
| 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 Margaret Mclaughlin across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Mclaughlin (~0.92 confidence) and father Neal Mclaughlin (~0.92 confidence) and father Patrick Mclaughlin (~0.92 confidence) and father Thomas Mclaughlan (~0.92 confidence) and mother Ellen Mclaughlin (~0.92 confidence) and mother Margaret Mclaughlin (~0.92 confidence) and mother Mary Mclaughlan (~0.92 confidence). The pedigree spans 1 generation with 7 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Mclaughlin
b. ~1866
Source father
● Household
· direct · ~0.92
Father
Neal Mclaughlin
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Patrick Mclaughlin
b. ~1867
Source father
● Household
· direct · ~0.92
Father
Thomas Mclaughlan
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Ellen Mclaughlin
b. ~1869
Source mother
● Household
· direct · ~0.92
Mother
Margaret Mclaughlin
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Mary Mclaughlan
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Mclaughlin
Daughter · 1940 · age 30 · b. ~1910 · Massachusetts
★ You are viewing this record
Sibling
John Mclaughlin
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Mclaughlin
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Neal Mclaughlin
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Mclaughlin
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine Mclaughlin
Sibling · 1940 · age 27
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 — 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-t0627-01612-00138)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Neal Mclaughlin | 59 | Head | Bricklayer | Eire |
| 2 | Margaret Mclaughlin | 49 | Wife | — | Pennsylvania |
| 3 | Margaret Mclaughlin THIS PERSON | 30 | Daughter | Printer | Massachusetts |
| 4 | Katherine Mclaughlin | 27 | Daughter | Maid | Scotland |
| 5 | George J. Mclaughlin | 25 | Son | New Worker | Massachusetts |
| 6 | Frances Mclaughlin | 22 | Daughter | New Worker | Massachusetts |
| 7 | Neal J. Mclaughlin | 21 | Son | New Worker | Massachusetts |
| 8 | John D. Mclaughlin | 18 | Son | New Worker | Massachusetts |
| 9 | Helen Mclaughlin | 19 | Sister in law | New Worker | Massachusetts |
| 10 | Clifton Otis | 37 | Head | Garage Owner | Massachusetts |
| 11 | Esther K. Otis | 33 | Wife | — | Massachusetts |
| 12 | Dianne Otis | 6 | Daughter | — | Massachusetts |
| 13 | Justin B. Cronin | 45 | Head | Electrician | Massachusetts |
| 14 | Lillie E. Cronin | 44 | Wife | — | Massachusetts |
| 15 | Ruth Cronin | 21 | Daughter | — | Massachusetts |
| 16 | Paul Cronin | 17 | Son | — | Massachusetts |
| 17 | Thomas M. Early | 79 | Head | — | England |
| 18 | Martha C. Early | 73 | Wife | — | Vermont |
| 19 | Lewis Zabadini | 43 | Head | Salesman | Massachusetts |
| 20 | Isabel Zabadini | 48 | Wife | — | Massachusetts |
| 21 | Joseph Zabadini | 28 | Son | Time Keeper | Massachusetts |
| 22 | Madeline Zabadini | 17 | Daughter | — | Massachusetts |
| 23 | Lewis J. Zabadini | 15 | Son | — | Massachusetts |
| 24 | Barbara Zabadini | 10 | Daughter | — | Massachusetts |
| 25 | Gustav T. Johnson | 54 | Head | Engineer | Sweden |
| 26 | Mathilda Johnson | 52 | Wife | — | Sweden |
| 27 | Oscar T. Andersson | 32 | Son | Machinist | Maine |
| 28 | Lillian L. Andersson | 24 | Daughter | — | Massachusetts |
| 29 | Albert J. Axtman | 46 | Head | Service Manager | Massachusetts |
| 30 | Marion H. Axtman | 50 | Wife | — | Maine |
| 31 | William Axtman | 16 | Son | — | Massachusetts |
| 32 | Carrie A. Barnard | 75 | Daughter | — | Maine |
| 33 | Emil J. Crooker | 35 | Head | Stationary Engineer | Massachusetts |
| 34 | Beulah C. Crooker | 35 | Wife | — | Massachusetts |
| 35 | Wayne S. Crooker | 4 | Son | — | Massachusetts |
| 36 | Ida W. Higgins | 67 | Mother in law | — | Massachusetts |
| 37 | Edward W. Cotting | 68 | Head | — | Massachusetts |
| 38 | Walter F. Cotting | 36 | Brother | — | Massachusetts |
| 39 | Abbie Quinn | 64 | Sister in law | — | Massachusetts |
| 40 | George F. Cotting | 53 | Brother | General Worker | Massachusetts |
Search for Margaret Mclaughlin
All Margaret Mclaughlin Census Records Discover Mclaughlin Family TreePedigree Summary
Margaret + 5 siblings
Gen 1 · 7 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)