MF
Margaret Fleming — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Margaret Fleming across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 8-person household.
Age 19
b. ~1921
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Fleming |
| Given Name | Margaret M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | New Worker |
| Class of Worker | U |
| Hours Worked | 64 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | New Worker |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1921 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Fleming | Daughter | — | 19 | ~1921 |
| Thomas Fleming | Head | — | 54 | ~1886 |
| Rose Fleming | Daughter | — | 4 | ~1936 |
| Ellen Fleming | Daughter | — | 13 | ~1927 |
| Margaret Fleming | Spouse | — | 44 | ~1896 |
| Joan Fleming | Daughter | — | 10 | ~1930 |
| Thomas Fleming | Son | — | 17 | ~1923 |
| John Fleming | Son | — | 15 | ~1925 |
Census Appearances
1930
Allegheny, Pennsylvania
Daughter, age 9
Allegheny, Pennsylvania · implied b. ~1921 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fleming |
| Given Name | Margaret M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Daughter, age 19
Allegheny-County, Pennsylvania · implied b. ~1921 — 8 household members
| Surname | Fleming |
| Given Name | Margaret M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Occupation | New Worker |
| Class of Worker | U |
| Hours Worked | 64 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 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 Fleming across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Fleming
Daughter · 1940 · age 19 · b. ~1921 · Pennsylvania
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Sibling
Ellen Fleming
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Fleming
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Fleming
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Fleming
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Fleming
Sibling · 1940 · age 10
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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03658-00119)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Andrew Stasiak | 59 | Head | Molder | Poland |
| 2 | Walter Stasiak | 19 | Son | New Worker | Pennsylvania |
| 3 | Helen Stasiak | 16 | Daughter | — | Pennsylvania |
| 4 | Jennie Lignowski | 31 | Head | — | Pennsylvania |
| 5 | Henry Lignowski | 11 | Son | — | Pennsylvania |
| 6 | Loretta Jane Lignowski | 5 | Daughter | — | Pennsylvania |
| 7 | John Hayden | 26 | Head | Sorter | Pennsylvania |
| 8 | Ruth Hayden | 25 | Wife | — | Pennsylvania |
| 9 | Thomas Fleming | 54 | Head | Bricklayer | Pennsylvania |
| 10 | Margaret Fleming | 44 | Wife | — | Pennsylvania |
| 11 | Margaret M. Fleming THIS PERSON | 19 | Daughter | New Worker | Pennsylvania |
| 12 | Thomas Fleming | 17 | Son | — | Pennsylvania |
| 13 | John Fleming | 15 | Son | — | Pennsylvania |
| 14 | Ellen Fleming | 13 | Daughter | — | Pennsylvania |
| 15 | Joan Fleming | 10 | Daughter | — | Pennsylvania |
| 16 | Rose Mary Fleming | 4 | Daughter | — | Pennsylvania |
| 17 | Nicholas Vascak | 55 | Head | Chauffeur | Yugoslavia |
| 18 | Mary (X) Vascak | 37 | Wife | — | Pennsylvania |
| 19 | Agnes Marie Vascak | 17 | Daughter | — | Pennsylvania |
| 20 | Nicholas Jr. Vascak | 16 | Son | Attendant | Pennsylvania |
| 21 | Raymond Vascak | 6 | Son | — | Pennsylvania |
| 22 | Mary Elizabeth Vascak | 5 | Daughter | — | Pennsylvania |
| 23 | William Vascak | 3 | Son | — | Pennsylvania |
| 24 | John Playnick | 45 | Head | Laborer | Austria |
| 25 | Katherine Playnick | 54 | Wife | — | Austria |
| 26 | Charles Playnick | 22 | Son | Sales Clerk | Pennsylvania |
| 27 | Aloys Playnick | 20 | Son | Janitor | Pennsylvania |
| 28 | William Playnick | 15 | Son | Laborer | Pennsylvania |
| 29 | Albert Playnick | 16 | Son | — | Pennsylvania |
| 30 | Howard Barry | 39 | Head | Shipper | Pennsylvania |
| 31 | Regelia Barry | 37 | Wife | — | Pennsylvania |
| 32 | Louis Barry | 11 | Daughter | — | Pennsylvania |
| 33 | Leona Barry | 8 | Daughter | — | Pennsylvania |
| 34 | Mary Miller | 73 | Mother | — | Germany |
| 35 | William Keep | 59 | Head | — | Pennsylvania |
| 36 | Clara (X) Keep | 53 | Wife | — | Pennsylvania |
| 37 | Twila Keep | 22 | Daughter | Stenog. | Pennsylvania |
| 38 | Peter Cuzmanski | 51 | Head | Laborer | Russia |
| 39 | Helen (X) Cuzmanski | 45 | Wife | — | Pennsylvania |
| 40 | Charles Cuzmanski | 19 | Son | Laborer | Pennsylvania |
Related Census Records
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)