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Mary Mclaughlin — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this Mary Mclaughlin across the 1910, 1920, 1930 and 1940 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1859), then head of a 2-person household.
Age 71
b. ~1859
Female
Head
Born: Ireland
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Suffolk, Massachusetts |
| Surname | McLaughlin |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 71 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Age at First Marriage | 35 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read/Write | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | City Of Boston |
| Est. Birth Year | ~1859 |
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.
2 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Mclaughlin | Daughter | — | 33 | ~1897 |
| Mary Mclaughlin | Head | — | 71 | ~1859 |
Census Appearances
1910
Suffolk, Massachusetts
Head, age 49
Suffolk, Massachusetts · implied b. ~1861 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McLaughlin |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Children Born | 5 |
| Children Living | 1 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Housekeeper |
| Industry | Lodging House |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
Suffolk, Massachusetts
Head, age 59
Suffolk, Massachusetts · implied b. ~1861 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McLaughlin |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 59 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Naturalization Status | Un |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
Suffolk, Massachusetts
Head, age 71
Suffolk, Massachusetts · implied b. ~1859 — 2 household members
| Surname | McLaughlin |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 71 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Age at First Marriage | 35 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Suffolk-County, Massachusetts
Other, age 78
Suffolk-County, Massachusetts · implied b. ~1862 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McLaughlin |
| Given Name | Mary |
| Relationship to Head | Mother-in-law |
| Sex | F |
| Color / Race | White |
| Age | 78 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Mclaughlin
Head · 1930 · age 71 · b. ~1859 · Massachusetts
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Suffolk, Massachusetts
Open full size
1930 US Federal Census — Suffolk, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel954:0029)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frederick Regan | 2 | Son | — | Mass |
| 2 | Sadie Murphy | 35 | Head | Nurse | Mass |
| 3 | Bridget Murphy | 72 | Mother | — | Ireland |
| 4 | Leda Zanca | 35 | Sister | Boxmaker | Mass |
| 5 | Margaret Zanca | 14 | Daughter | — | Mass |
| 6 | Frank Zanca | 14 | Son | — | Mass |
| 7 | Mabel Johnson | 75 | Boarder | — | Canada |
| 8 | Mabel Johnson | 50 | Daughter | — | Connecticut |
| 9 | James Corbett | 58 | Head | — | Mass |
| 10 | William B Corbett | 25 | Son | Photographer | Mass |
| 11 | Anna F Corbett | 23 | Daughter | Clerk | Mass |
| 12 | Joseph Slack | 63 | Head | Operator | Vermont |
| 13 | Helena Slack | 62 | Wife | — | Ireland |
| 14 | Olive Slack | 25 | Daughter | Inspector | Vermont |
| 15 | Alfred J Murray | 38 | Head | Salesman | Mass |
| 16 | Margaret Murray | 33 | Wife | — | Mass |
| 17 | William Murray | 12 | Son | — | Mass |
| 18 | Mary C Murray | 10 | Daughter | — | Mass |
| 19 | John Burns | 25 | Head | Clerk | Mass |
| 20 | Gertrude Burns | 24 | Wife | — | Mass |
| 21 | John Burns | 1 | Son | — | Mass |
| 22 | Alphonso Iandoli | 62 | Head | Superintendent | Italy |
| 23 | Amelia Iandoli | 62 | Wife | — | Italy |
| 24 | Adolph Iandoli | 30 | Son | Clerk | Mass |
| 25 | Edna Iandoli | 23 | Daughter | Attendant | Mass |
| 26 | James J Gallivan | 62 | Head | Salesman | Ireland |
| 27 | Mary Gallivan | 63 | Wife | — | Ireland |
| 28 | Emma G Gallivan | 32 | Daughter | — | Mass |
| 29 | Richard Gallivan | 30 | Son | Salesman | Mass |
| 30 | Maurice Gallivan | 28 | Son | Salesman | Mass |
| 31 | Vincent Gallivan | 26 | Son | Estimator | Mass |
| 32 | Joseph M Gallivan | 24 | Son | — | Mass |
| 33 | Mary E Gallivan | 22 | Daughter | — | Mass |
| 34 | Charles J Gallivan | 19 | Son | — | Mass |
| 35 | Elsa Carlin | 39 | Head | — | Sweden |
| 36 | Carl Hanson | 36 | Boarder | Machinist | Sweden |
| 37 | Betty Carlin | 11 | Daughter | — | Mass |
| 38 | Mary Mclaughlin THIS PERSON | 71 | Head | — | Ireland |
| 39 | Mary Mclaughlin | 33 | Daughter | — | Canada |
| 40 | Raymond O'Brien | 31 | Head | Supt | Mass |
| 41 | Marion O'Brien | 29 | Wife | — | Mass |
| 42 | Raymond O'Brien | 5 | Son | — | Mass |
| 43 | Patrick J O'Brien | 68 | Head | Foreman | Ireland |
| 44 | Nellie A O'Brien | 68 | Wife | — | Ireland |
| 45 | Daniel Mcisaac | 35 | Head | Mechanic | Maine |
| 46 | Agnes Mcisaac | 34 | Wife | — | Mass |
| 47 | Donald Mcisaac | 11 | Son | — | Mass |
| 48 | Margaret Mcisaac | 4 | Daughter | — | Mass |
| 49 | George Jensen | 45 | Head | Painter | Denmark |
| 50 | Thurhild Jensen | 37 | Wife | — | Sweden |
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)