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Mary Montgomery — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Mary Montgomery across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Benjamin & Benton — first a spouse (b.~1914), then head of a 4-person household.
Age 26
b. ~1914
Female
Spouse
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Montgomery |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Avalon Borough |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Avalon Borough |
| Est. Birth Year | ~1914 |
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 Montgomery | Daughter | — | 2 | ~1938 |
| David Montgomery | Head | — | 31 | ~1909 |
| David Montgomery | Son | — | 4 | ~1936 |
| Mary Montgomery | Spouse | — | 26 | ~1914 |
Census Appearances
1920
Allegheny, Pennsylvania
Daughter, age 6
Allegheny, Pennsylvania · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Montgomery |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Ohio |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Daughter, age 16
Allegheny, Pennsylvania · implied b. ~1914 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Montgomery |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Spouse, age 26
Allegheny-County, Pennsylvania · implied b. ~1914 — 4 household members
| Surname | Montgomery |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Avalon Borough |
| 1935 Residence (County) | Allegheny |
| Income (1939) | 0 |
| Highest Grade | H-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 Mary Montgomery across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Benjamin Montgomery (~0.92 confidence) and father Benton Montgomery (~0.92 confidence) and mother Amelia Montgomery (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Benjamin Montgomery
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Benton Montgomery
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Amelia Montgomery
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Montgomery
Spouse · 1940 · age 26 · b. ~1914 · 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-t0627-03397-00176)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Madeline O. Bogner | 37 | Wife | — | Pennsylvania |
| 42 | William J. Jr. Bogner | 16 | Son | — | Pennsylvania |
| 43 | Jack L. Bogner | 15 | Son | — | Pennsylvania |
| 44 | Dorothy M. Bogner | 13 | Daughter | — | Pennsylvania |
| 45 | Alan E. Bogner | 11 | Son | — | Pennsylvania |
| 46 | Sylvester B. Bogner | 70 | Father | Laborer | Ohio |
| 47 | Barbara L. Bogner | 63 | Step-Mother | — | West Virginia |
| 48 | Edward Boate | 61 | Head | Clothing Salesman | Pennsylvania |
| 49 | Cora B. Boate | 62 | Wife | — | Pennsylvania |
| 50 | Elizabeth G. Boate | 43 | Daughter | Teletype Operator | Pennsylvania |
| 51 | Mary M. Neville | 45 | Head | — | Pennsylvania |
| 52 | William J. Neville | 15 | Son | — | Pennsylvania |
| 53 | William L. Ferguson | 73 | Head | — | Pennsylvania |
| 54 | Ettie L. Ferguson | 68 | Wife | — | Pennsylvania |
| 55 | Frank S. Ferguson | 46 | Son | Accountant | Pennsylvania |
| 56 | Catherine A. Ferguson | 28 | Daughter | Stenographer | Pennsylvania |
| 57 | Joseph R. Sullivan | 59 | Head | Linotype Operator | Pennsylvania |
| 58 | Eva L. Sullivan | 53 | Wife | — | Pennsylvania |
| 59 | Katherine G. Sullivan | 23 | Daughter | Saleslady | Pennsylvania |
| 60 | Sara C. Allen | 49 | Head | — | Pennsylvania |
| 61 | Robert R. Allen | 18 | Son | — | Pennsylvania |
| 62 | Edith D. Allen | 13 | Daughter | — | Pennsylvania |
| 63 | Leslie B. Mcwill | 29 | Head | Hardware Dept. Manager | Ohio |
| 64 | A. Marie Mcwill | 21 | Wife | — | West Virginia |
| 65 | Patricia A. Mcwill | 0 | Daughter | — | Pennsylvania |
| 66 | David R. Montgomery | 31 | Head | Adding Machine Inspector | Pennsylvania |
| 67 | Mary A. Montgomery THIS PERSON | 26 | Wife | — | Pennsylvania |
| 68 | David R. Montgomery | 4 | Son | — | Pennsylvania |
| 69 | Mary A. Montgomery | 2 | Daughter | — | Pennsylvania |
| 70 | Vincent Romano | 40 | Head | Barber | Italy |
| 71 | Amelia A. Romano | 31 | Wife | — | Pennsylvania |
| 72 | Antoinette M. Romano | 5 | Daughter | — | Pennsylvania |
| 73 | Elizabeth L. Romano | 2 | Daughter | — | Pennsylvania |
| 74 | John C. Young | 25 | Head | Assistant Superintendent | Pennsylvania |
| 75 | Mary V. Young | 23 | Wife | — | Pennsylvania |
| 76 | George L. Seidel | 31 | Head | Furniture Salesman | Pennsylvania |
| 77 | Marie A. Seidel | 28 | Wife | — | Pennsylvania |
| 78 | Dorothy M. Seidel | 1 | Daughter | — | Pennsylvania |
| 79 | Wallace C. Wolfe | 29 | Head | Dpa Investigator | West Virginia |
| 80 | Evalyn L. Wolfe | 29 | Wife | — | 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)