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Mary Mcnally — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Mary Mcnally across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents John & Margaret — first a spouse (b.~1916), then head of a 4-person household.
Age 24
b. ~1916
Female
Spouse
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | McNally |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Highest Grade | H-2 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1916 |
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 |
|---|---|---|---|---|
| Mary Mcnally | Spouse | — | 24 | ~1916 |
| Frank Mcnally | Head | — | 26 | ~1914 |
| Jack Mcnally | Son | — | 3 | ~1937 |
| Mary Mcnally | Daughter | — | 1 | ~1939 |
Census Appearances
1920
Allegheny, Pennsylvania
Daughter, age 3
Allegheny, Pennsylvania · implied b. ~1917 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McNally |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | New York |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Daughter, age 13
Allegheny, Pennsylvania · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McNally |
| Given Name | Margaret A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Spouse, age 24
Allegheny-County, Pennsylvania · implied b. ~1916 — 4 household members
| Surname | McNally |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Highest Grade | H-2 |
| 1935 Residence | Same House |
| 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 Mary Mcnally across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Mcnally (~0.92 confidence) and mother Margaret Mcnally (~0.92 confidence) and mother Margaret Mcnally (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Mcnally
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Margaret Mcnally
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Margaret Mcnally
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Mcnally
Spouse · 1940 · age 24 · b. ~1916 · 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 — 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-t0627-03657-00092)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Anthony Lewandowski | 31 | Head | Drinker | Pennsylvania |
| 42 | Anna Lewandowski | 30 | Wife | — | Pennsylvania |
| 43 | Geraldine Lewandowski | 8 | Daughter | — | Pennsylvania |
| 44 | Rita Lewandowski | 6 | Daughter | — | Pennsylvania |
| 45 | Charles Hanley | 45 | Head | — | Pennsylvania |
| 46 | Helen Arlene Hanley | 25 | Son | Stationary Engineer | Pennsylvania |
| 47 | Jack Hanley | 21 | Son | Clerk | Pennsylvania |
| 48 | Susan Hanley | 19 | Daughter | Saleswoman | Pennsylvania |
| 49 | Lois Hanley | 16 | Daughter | — | Pennsylvania |
| 50 | Jean Hanley | 13 | Daughter | — | Pennsylvania |
| 51 | Geraldine Hanley | 9 | Daughter | — | Pennsylvania |
| 52 | Frank Mcnally | 26 | Head | General Office Clerk | Pennsylvania |
| 53 | Mary Mcnally THIS PERSON | 24 | Wife | — | Pennsylvania |
| 54 | Jack Mcnally | 3 | Son | — | Pennsylvania |
| 55 | Mary Ellen Mcnally | 1 | Daughter | — | Pennsylvania |
| 56 | Clyde Morris | 44 | Head | Crane Operator | Pennsylvania |
| 57 | Essie Morris | 44 | Wife | — | Pennsylvania |
| 58 | Dorothy Morris | 21 | Daughter | Saleswoman | Pennsylvania |
| 59 | William Haugh | 50 | Lodger | Watchman | Pennsylvania |
| 60 | Sebastian Dulemba | 60 | Head | Butcher | Poland |
| 61 | Marie Dulemba | 59 | Wife | — | Poland |
| 62 | Nellie Dulemba | 29 | Daughter | Wrapper | Pennsylvania |
| 63 | Henry Dulemba | 19 | Son | Handy Man | Pennsylvania |
| 64 | Josephine Dulemba | 15 | Daughter | — | Pennsylvania |
| 65 | Leo Schubert | 41 | Head | Shipping Clerk | Pennsylvania |
| 66 | Helen Schubert | 27 | Wife | — | Pennsylvania |
| 67 | Donald Schubert | 2 | Son | — | Pennsylvania |
| 68 | Frank Rzoska | 49 | Head | Laborer | Pennsylvania |
| 69 | Anna Rzoska | 45 | Wife | — | Pennsylvania |
| 70 | Stanley C. Rzoska | 23 | Son | Truck Loader | Pennsylvania |
| 71 | Josephine Rzoska | 20 | Daughter | — | Pennsylvania |
| 72 | T. Andrus | 50 | Lodger | Trucker | Pennsylvania |
| 73 | Bernard Rytkowski | 24 | Lodger | Laborer | Pennsylvania |
| 74 | Mary Bork | 63 | Head | — | Austria |
| 75 | Herbert Bork | 25 | Son | Selector | Pennsylvania |
| 76 | Henry Domyslawski | 25 | Head | Baker Helper | Pennsylvania |
| 77 | Josephine Domyslawski | 23 | Wife | — | Pennsylvania |
| 78 | Constantine Kaminski | 52 | Head | Laborer | Lithuania |
| 79 | Veronica Kaminski | 51 | Wife | — | Poland |
| 80 | Sigmont Kaminski | 21 | Son | Butcher | Pennsylvania |
Pedigree Summary
Mary
Gen 1 · 3 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)