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Mary Mclaughlin — 1930 US Census Record
Model Tree available1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Mary Mclaughlin across the 1910, 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents Bernard & Bernard — first a daughter (b.~1910), then head of a 4-person household.
Age 20
b. ~1910
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | McLaughlin |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Woburn 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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Mclaughlin | Daughter | — | 20 | ~1910 |
| Bernard Mclaughlin | Head | — | 62 | ~1868 |
| Mary Mclaughlin | Other | — | 54 | ~1876 |
| Joseph Mclaughlin | Son | — | 16 | ~1914 |
Census Appearances
1910
Middlesex, Massachusetts
Daughter, age
Middlesex, Massachusetts · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McLaughlin |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Industry | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Daughter, age 10
Middlesex, Massachusetts · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McLaughlin |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Daughter, age 20
Middlesex, Massachusetts · implied b. ~1910 — 4 household members
| Surname | McLaughlin |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| 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 Mary Mclaughlin across 3 US Census years (1910, 1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage. Identified parents: father Bernard Mclaughlin (~0.92 confidence) and father Bernard Mclaughlin (~0.92 confidence) and mother Mary Mclaughlin (~0.92 confidence) and mother Mary Mclaughlin (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Bernard Mclaughlin
b. ~1868
Source father
● Household
· direct · ~0.92
Father
Bernard Mclaughlin
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Mary Mclaughlin
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Mary Mclaughlin
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Mclaughlin
Daughter · 1930 · age 20 · b. ~1910 · Massachusetts
★ You are viewing this record
Sibling
Joseph Mclaughlin
Sibling · 1930 · age 16
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
1930 US Federal Census — Middlesex, Massachusetts
Open full size
1930 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel931:0750)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Ellen G Higgins | 58 | Wife-H | — | Irish Free State |
| 52 | Alice G Higgins | 30 | Daughter | Bookkeeper | Massachusetts |
| 53 | Marguerite Higgins | 29 | Daughter | Bookkeeper | Massachusetts |
| 54 | Joseph Higgins | 26 | Son | Shipper | Massachusetts |
| 55 | Bernard J Mclaughlin | 62 | Head | Undertaker | Massachusetts |
| 56 | Mary E Mclaughlin | 54 | Wife-H | — | Massachusetts |
| 57 | Mary E Mclaughlin THIS PERSON | 20 | Daughter | — | Massachusetts |
| 58 | Joseph E Mclaughlin | 16 | Son | — | Massachusetts |
| 59 | James B Mclaughlin | 72 | Head | — | Irish Free State |
| 60 | Alice M Mclaughlin | 44 | Daughter | — | Massachusetts |
| 61 | J Francis Mclaughlin | 42 | Son | Machinist | Massachusetts |
| 62 | Anna M Mclaughlin | 16 | Granddaughter | — | Massachusetts |
| 63 | James F Mclaughlin | 14 | Grandson | — | Massachusetts |
| 64 | John J Roche | 49 | Head | Postal Clerk | Massachusetts |
| 65 | Mary A Roche | 41 | Wife-H | — | Massachusetts |
| 66 | Daniel J Toland | 36 | Head | Salesman | Massachusetts |
| 67 | Sarah E Toland | 73 | Mother | — | Irish Free State |
| 68 | Stephen M Toland | 33 | Brother | Salesman | Massachusetts |
| 69 | Stephen Miele | 42 | Head | Machine Operator | Italy |
| 70 | Dominica Miele | 35 | Wife-H | — | Italy |
| 71 | Antoinette Miele | 17 | Daughter | Candy Maker | Italy |
| 72 | Augustine Miele | 15 | Son | — | Italy |
| 73 | Alexandra Miele | 10 | Daughter | — | Italy |
| 74 | Mary Miele | 8 | Daughter | — | Massachusetts |
| 75 | Edna Miele | 4 | Daughter | — | Massachusetts |
| 76 | Anthony Miele | 75 | Father | — | Italy |
| 77 | Angelo Demambro | 44 | Boarder | Laborer | Italy |
| 78 | Joseph Dinallo | 38 | Boarder | Laborer | Italy |
| 79 | James Parsons | 51 | Head | Foreman | Massachusetts |
| 80 | Mary A Parsons | 41 | Wife-H | — | New Hampshire |
| 81 | William B Parsons | 23 | Son | — | Massachusetts |
| 82 | Ralph R Parsons | 19 | Son | Laborer | Massachusetts |
| 83 | George E Gamer | 34 | Head | Cutter | Massachusetts |
| 84 | Margaret E Gamer | 29 | Wife-H | — | Massachusetts |
| 85 | George F Gamer | 5 | Son | — | Massachusetts |
| 86 | Ruth S Gamer | 3 | Daughter | — | Massachusetts |
| 87 | William J Gamer | 1 | Son | — | Massachusetts |
| 88 | Henry W Villarrault | 39 | Head | Laborer | Massachusetts |
| 89 | Mary E Villarrault | 42 | Wife-H | — | Massachusetts |
| 90 | Harold J Villarrault | 22 | Son | Laborer | Massachusetts |
| 91 | Henry J Villarrault | 21 | Son | Mail Carrier | Massachusetts |
| 92 | William J Villarrault | 19 | Son | Mail Carrier | Massachusetts |
| 93 | Mary E Villarrault | 17 | Daughter | Spreader | Massachusetts |
| 94 | Margaret T Villarrault | 15 | Daughter | — | Massachusetts |
| 95 | Michael J Villarrault | 13 | Son | — | Massachusetts |
| 96 | Frederick Villarrault | 11 | Son | — | Massachusetts |
| 97 | Catherine King | 60 | Head-H | — | England |
| 98 | Charles A King | 36 | Son | Laborer | Massachusetts |
| 99 | Louis F King | 35 | Son | Laborer | Massachusetts |
| 100 | Anna E King | 25 | Daughter | Mop Maker | Massachusetts |
Pedigree Summary
Mary + 1 sibling
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)