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Mary Mclaughlin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Mary Mclaughlin across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1880), then head of a 4-person household.
Age 60
b. ~1880
Female
Spouse
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | McLaughlin |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Phila |
| Naturalization Status | Naturalized |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1880 |
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 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Margaret Mclaughlin | Daughter | — | 25 | ~1915 |
| Anna Mclaughlin | Daughter | — | 28 | ~1912 |
| John Mclaughlin | Head | — | 60 | ~1880 |
| Mary Mclaughlin | Spouse | — | 60 | ~1880 |
Census Appearances
1920
Philadelphia, Pennsylvania
Other, age 43
Philadelphia, Pennsylvania · implied b. ~1877 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McLaughlin |
| Given Name | Marie |
| Relationship to Head | Cousin |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Single |
| Birthplace | Ireland |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
Philadelphia, Pennsylvania
Other, age 50
Philadelphia, Pennsylvania · implied b. ~1880 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mc Laughlin |
| Given Name | Mary |
| Relationship to Head | boarder |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Single |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1900 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Housework |
| Industry | Private Family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Irish |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Philadelphia-County, Pennsylvania
Spouse, age 60
Philadelphia-County, Pennsylvania · implied b. ~1880 — 4 household members
| Surname | McLaughlin |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Phila |
| Naturalization Status | Naturalized |
| Hours Worked | 0 |
| Highest Grade | No 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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Mclaughlin
Spouse · 1940 · age 60 · b. ~1880 · Pennsylvania
★ 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 — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03751-00312)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Mclaughlin | 60 | Head | Stable Man | Ireland |
| 42 | Mary Mclaughlin THIS PERSON | 60 | Wife | — | Ireland |
| 43 | Anna Mclaughlin | 28 | Daughter | Candy Shop Packer | Penna |
| 44 | Margaret Mclaughlin | 25 | Daughter | Candy Shop Coater | Penna |
| 45 | John Banks | 47 | Head | Guard | Penna |
| 46 | Catherine Banks | 71 | Mother | — | Ireland |
| 48 | Mario Schiavone | 52 | Head | Cooking | Italy |
| 49 | Rachel Schiavone | 43 | Wife | — | Penna |
| 50 | Dominick Schiavone | 22 | Son | Soft Drink | Italy |
| 51 | Nicholas Schiavone | 19 | Son | New Worker | Penna |
| 52 | Albert Schiavone | 15 | Son | — | Penna |
| 53 | Dominick Schiavone | 13 | Son | — | Penna |
| 54 | Charles Zioli | 42 | Head | Helper On Truck | Penna |
| 55 | Anna Zioli | 40 | Wife | — | Penna |
| 56 | Bernard Zioli | 17 | Son | New Worker | Penna |
| 57 | John Deperio | 48 | Head | Tailor Shop | Italy |
| 58 | Margaret Deperio | 41 | Wife | Button Hole Maker | Penna |
| 59 | Isolda Deperio | 21 | Daughter | Checker | Penna |
| 60 | Rose Deperio | 20 | Daughter | Book Binder Shop | Penna |
| 61 | Marian Ansaldo | 31 | Head | Mother Attendee | Italy |
| 62 | Michael Ansaldo | 6 | Son | — | Penna |
| 63 | John Deperine | 33 | Head | Tailor Shop | Penna |
| 64 | Norma Deperine | 28 | Wife | Presser Bags Mill | Penna |
| 65 | Casper Mondragon | 65 | Father-in-law | — | Sweetland |
| 66 | Charles Mondragon | 33 | Son | Tailor Factory | Penna |
| 67 | Joseph Trefiro | 60 | Head | Candy Maker Shop | Italy |
| 68 | Angela Trefiro | 61 | Wife | — | Italy |
| 69 | Josephine Trefiro | 20 | Daughter | Tailor Shop | Penna |
| 70 | Anthony Racano | 46 | Head | Presser Tailor Shop | Italy |
| 71 | Annunziata Racano | 37 | Wife | — | Italy |
| 72 | Nicholas Racano | 15 | Daughter | — | Penna |
| 73 | Angelina Racano | 13 | Daughter | — | Penna |
| 74 | Viola Racano | 11 | Daughter | — | Penna |
| 75 | Nicholas Racano | 8 | Son | — | Penna |
| 76 | Rose Anna Racano | 1 | Daughter | — | Penna |
| 77 | Joseph Telia | 42 | Head | Tailor Shop | Italy |
| 78 | Maria Telia | 38 | Wife | — | Penna |
| 79 | Maryanna Telia | 21 | Daughter | — | Penna |
| 80 | Arman Telia | 21 | Son-in-law | Shoe Maker Shop | Italy |
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)