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John Montgomery — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this John Montgomery across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1892), then head of a 6-person household.
Age 48
b. ~1892
Male
Head
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Montgomery |
| Given Name | John R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Abromont |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Clerk |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 2000 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Clerk |
| Township / Ward | Abromont |
| Est. Birth Year | ~1892 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Jane Montgomery | Daughter | — | 16 | ~1924 |
| John Montgomery | Head | — | 48 | ~1892 |
| Robert Montgomery | Other | — | 44 | ~1896 |
| John Montgomery | Son | — | 20 | ~1920 |
| Robert Montgomery | Son | — | 18 | ~1922 |
| Isabel Montgomery | Spouse | — | 55 | ~1885 |
Census Appearances
1920
Allegheny, Pennsylvania
Head, age 28
Allegheny, Pennsylvania · implied b. ~1892 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Montgomery |
| Given Name | John H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Scotland |
| Year of Immigration | 1914 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Clerk |
| Industry | Steel Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Scotch |
| Home Owned/Rented | R |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1930
Allegheny, Pennsylvania
Head, age 35
Allegheny, Pennsylvania · implied b. ~1895 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Montgomery |
| Given Name | John A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1915 |
| Age at First Marriage | 26 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Scotland |
| Occupation | Clerk |
| Industry | Steel Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Scotch |
| Home Owned/Rented | O |
| Home Value / Rent | 12,000 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Allegheny-County, Pennsylvania
Head, age 48
Allegheny-County, Pennsylvania · implied b. ~1892 — 6 household members
| Surname | Montgomery |
| Given Name | John R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Abromont |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | Naturalized |
| Occupation | Clerk |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 2000 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 John Montgomery across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Montgomery
Head · 1940 · age 48 · b. ~1892 · 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-t0627-03401-00600)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Thos. J. Landis | 68 | Head | Asst. Mgr. | Penna |
| 42 | Elizabeth B. Landis | 65 | Wife | — | Penna |
| 43 | Ruth E. Landis | 45 | Daughter | — | Penna |
| 44 | Andrew Wolfram | 62 | Head | Machinist | Penna |
| 45 | Magdalena Wolfram | 58 | Wife | — | Penna |
| 46 | Carrie Graeser | 60 | Cousin | — | Penna |
| 47 | Iren W. Schwarz | 66 | Head | — | Penna |
| 48 | Clara R. Schwarz | 59 | Wife | — | Ohio |
| 49 | Clara W. Schwarz | 40 | Daughter | Clerk | Penna |
| 50 | Carrie Weis | 56 | Head | — | Penna |
| 51 | Alfredo M. Weis | 19 | Daughter | — | Penna |
| 52 | Chas. B. Sheppard | 25 | Head | Clerical | Penna |
| 53 | Margaret Sheppard | 22 | Wife | — | Penna |
| 54 | John R. Montgomery THIS PERSON | 48 | Head | Clerk | Scotland |
| 55 | Isabel J. Montgomery | 55 | Wife | — | Penna |
| 56 | John R. Montgomery | 20 | Son | Clerk | Penna |
| 57 | Robert J. Montgomery | 18 | Son | Clerk | Penna |
| 58 | Jane S. Montgomery | 16 | Daughter | — | Penna |
| 59 | Robert Montgomery | 44 | Brother | Hammer-Man | Scotland |
| 60 | Frederick Woods | 50 | Head | Mgr. Owner | Penna |
| 61 | Mary H. Woods | 48 | Wife | — | Penna |
| 62 | John R. Baker | 28 | Son-in-law | Asst. Repair | Penna |
| 63 | Helen W. Baker | 25 | Daughter | — | Penna |
| 64 | John R. Jr. Baker | 0 | Grandson | — | Penna |
| 65 | Patrick Dunne | 55 | Head | Merc. Buyer | Ireland |
| 66 | Adele Dunne | 46 | Wife | — | New Jersey |
| 67 | Elizabeth B. Meyers | 68 | Head | — | Penna |
| 68 | Florence Meyers | 28 | Sister | Secy. | Penna |
| 69 | Alyne Willett | 34 | Sister | Secy | Penna |
| 70 | Francis Sturge | 85 | Head | — | Penna |
| 71 | Lillian Sturge | 52 | Daughter | Art Teacher | Penna |
| 72 | Elizabeth Sturge | 51 | Daughter | Teacher | Penna |
| 73 | J. Miles Miller | 54 | Head | Clerk | Penna |
| 74 | Theresa M. Miller | 54 | Wife | — | Penna |
| 75 | June E. Miller | 23 | Daughter | Clerical | Penna |
| 76 | Mary Fonella | 5 | Lodger | Stenographer | Penna |
| 77 | Eric T. Laurin | 44 | Head | Farmer | Mass. |
| 78 | Elizabeth K. Laurin | 38 | Wife | — | Penna |
| 79 | Thurston E. Laurin | 15 | Son | — | Rhode Island |
| 80 | Richard K. Laurin | 15 | Son | — | Rhode Island |
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)