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Margaret Mason — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lackawanna-County, Pennsylvania
Our Model Tree links this Margaret Mason across the 1920, 1930 and 1940 US Censuses in Lackawanna-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents James & James — first a daughter (b.~1911), then head of a 4-person household.
Age 29
b. ~1911
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lackawanna-County, Pennsylvania |
| Surname | Mason |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Carbondale City |
| 1935 Residence (County) | Lackawanna |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 8/2 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Carbondale City |
| Est. Birth Year | ~1911 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Mason | Daughter | — | 29 | ~1911 |
| John Mason | Son | — | 33 | ~1907 |
| Frank Mason | Son | — | 32 | ~1908 |
| James Mason | Head | — | 65 | ~1875 |
Census Appearances
1920
Lackawanna, Pennsylvania
Daughter, age 9
Lackawanna, Pennsylvania · implied b. ~1911 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Lackawanna, Pennsylvania
Daughter, age 19
Lackawanna, Pennsylvania · implied b. ~1911 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Lackawanna-County, Pennsylvania
Daughter, age 29
Lackawanna-County, Pennsylvania · implied b. ~1911 — 4 household members
| Surname | Mason |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Carbondale City |
| 1935 Residence (County) | Lackawanna |
| Class of Worker | 0 |
| Highest Grade | No 8/2 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Mason across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Mason (~0.92 confidence) and father James Mason (~0.92 confidence) and father James Mason (~0.92 confidence) and mother Mary Mason (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Mason
b. ~1870
Source father
● Household
· direct · ~0.92
Father
James Mason
b. ~1875
Source father
● Household
· direct · ~0.92
Father
James Mason
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Mary Mason
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Mason
Daughter · 1940 · age 29 · b. ~1911 · Pennsylvania
★ You are viewing this record
Sibling
Frank Mason
Sibling · 1940 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mason
Sibling · 1940 · age 33
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 — Lackawanna-County, Pennsylvania
Open full size
1940 US Federal Census — Lackawanna-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03522-00776)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jane Cavage | 14 | Daughter | — | Pennsylvania |
| 2 | June Cavage | 13 | Daughter | — | Pennsylvania |
| 3 | Ruth Cavage | 12 | Daughter | — | Pennsylvania |
| 4 | Elizabeth Cavage | 10 | Daughter | — | Pennsylvania |
| 5 | James Cavage | 7 | Son | — | Pennsylvania |
| 6 | Joan Cavage | 6 | Daughter | — | Pennsylvania |
| 7 | Antoinette Cavage | 5 | Daughter | — | Pennsylvania |
| 8 | James (X) Mason | 65 | Head | Carpenter | Pennsylvania |
| 9 | John Mason | 33 | Son | Carpenter Helper | Pennsylvania |
| 10 | Frank Mason | 32 | Son | Carpenter Helper | Pennsylvania |
| 11 | Margaret Mason THIS PERSON | 29 | Daughter | — | Pennsylvania |
| 12 | William Libba | 66 | Head | — | Pennsylvania |
| 13 | Margaret (X) Libba | 57 | Wife (X) | — | Pennsylvania |
| 14 | Gerard Sullivan | 55 | Lodger | Trainman | Pennsylvania |
| 15 | Edward (X) Sweeney | 47 | Head (X) | Miner | Pennsylvania |
| 16 | Elizabeth Sweeney | 37 | Lodger | — | Pennsylvania |
| 17 | Emmett Quick | 47 | Head | Trainman | Pennsylvania |
| 18 | Irene (X) Quick | 45 | Wife | — | Pennsylvania |
| 19 | Patrick Quick | 16 | Son | — | Pennsylvania |
| 20 | Clinton A. Morgan | 67 | Head | Superintendent | New York |
| 21 | Nora E. (X) Morgan | 53 | Wife (X) | — | Pennsylvania |
| 22 | Joseph Dalton | 30 | Son-in-law | Bank Teller | Pennsylvania |
| 23 | Rita Dalton | 25 | Daughter | New Worker | Pennsylvania |
| 24 | Frank Mcdonald | 51 | Head | Trainman | Pennsylvania |
| 25 | Eva (X) Mcdonald | 48 | Wife | — | Pennsylvania |
| 26 | Joseph Mcdonald | 10 | Son | — | Pennsylvania |
| 27 | Mary Mcdonald | 9 | Daughter | — | Pennsylvania |
| 28 | John Mcnulty | 50 | Lodger | Trainman | Pennsylvania |
| 29 | Michael J. (X) Davitt | 43 | Head | Contractor | Pennsylvania |
| 30 | Joseph Davitt | 15 | Son | — | Pennsylvania |
| 31 | James Davitt | 14 | Son | — | Pennsylvania |
| 32 | Mary Davitt | 13 | Daughter | — | Pennsylvania |
| 33 | Jean Davitt | 11 | Daughter | — | Pennsylvania |
| 34 | Eugene Davitt | 10 | Son | — | Pennsylvania |
| 35 | Ellen T. Davitt | 66 | Mother | — | Pennsylvania |
| 36 | John Neary | 31 | Head | Boilermaker Helper | Pennsylvania |
| 37 | Evelyn (X) Neary | 27 | Wife | — | Pennsylvania |
| 38 | Anne Marie Neary | 3 | Daughter | — | Pennsylvania |
| 39 | Walter Scott | 45 | Head | Motor Runner | Pennsylvania |
| 40 | Mary (X) Scott | 42 | Wife | — | Pennsylvania |
Related Census Records
Pedigree Summary
Margaret + 2 siblings
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 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)