JM
James Montgomery — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this James Montgomery across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Benjamin & Benton — first a son (b.~1916), then head of a 7-person household.
Age 24
b. ~1916
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Montgomery |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Avalon Boro. |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Helper |
| Industry | Airplane Mfg |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 950 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Helper |
| Township / Ward | Avalon Boro |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Benton Montgomery | Head | — | 60 | ~1880 |
| Lou Rinsteller | Other | — | 70 | ~1870 |
| Emma Munroe | Other | — | 47 | ~1893 |
| James Montgomery | Son | — | 24 | ~1916 |
| Robert Montgomery | Son | — | 12 | ~1928 |
| Ross Montgomery | Son | — | 18 | ~1922 |
| Amelia Montgomery | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 4
Allegheny, Pennsylvania · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Montgomery |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Ohio |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 14
Allegheny, Pennsylvania · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Montgomery |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| 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
Son, age 24
Allegheny-County, Pennsylvania · implied b. ~1916 — 7 household members
| Surname | Montgomery |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Avalon Boro. |
| 1935 Residence (County) | Allegheny |
| Occupation | Helper |
| Industry | Airplane Mfg |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 950 |
| Highest Grade | H 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 James 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
James Montgomery
Son · 1940 · age 24 · b. ~1916 · Pennsylvania
★ You are viewing this record
Sibling
Ross Montgomery
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Montgomery
Sibling · 1940 · age 12
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-t0627-03397-00243)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gloria Osburn | 43 | Wife | — | Pennsylvania |
| 2 | Iva S Murphy | 18 | Daughter | — | Pennsylvania |
| 3 | Ruth Murphy | 16 | Daughter | — | Pennsylvania |
| 4 | Thomas Bigley | 75 | Father in law | — | Pennsylvania |
| 5 | Arthur Sandwick | 34 | Head | Meat Cutter | Pennsylvania |
| 6 | Alice Sandwick | 34 | Wife | Saleslady | Pennsylvania |
| 7 | Mary Ann Sandwick | 14 | Daughter | — | Pennsylvania |
| 8 | Elba C Burner | 61 | Head | — | Pennsylvania |
| 9 | Robert Burner | 30 | Son | Teller | Pennsylvania |
| 10 | Elizabeth Nicholson | 42 | Sister | — | Pennsylvania |
| 11 | William Nicholson | 20 | Nephew | Usher | Pennsylvania |
| 12 | Frank Tewksbury | 71 | Head | Salesman | Pennsylvania |
| 13 | Isabel Tewksbury | 69 | Wife | — | Scotland |
| 14 | Harry Mccauley | 52 | Head | Maintenance Worker | Wisconsin |
| 15 | Ruth Mccauley | 38 | Wife | — | Pennsylvania |
| 16 | Harry Mccauley | 8 | Son | — | Pennsylvania |
| 17 | Paul Mccauley | 5 | Son | — | Pennsylvania |
| 18 | Glenn Mccauley | 1 | Son | — | Pennsylvania |
| 19 | Francis Berry | 30 | Head | Truck Driver | Pennsylvania |
| 20 | Nancy Berry | 22 | Wife | — | Pennsylvania |
| 21 | Bessie Weaver | 62 | Head | — | Pennsylvania |
| 22 | William Weaver | 66 | Brother | — | Pennsylvania |
| 23 | Frank Weaver | 64 | Brother | Truck Driver | Pennsylvania |
| 24 | Henry Huttgartner | 48 | Head | Maintenance Worker | Pennsylvania |
| 25 | Elizabeth Huttgartner | 14 | Daughter | — | Pennsylvania |
| 26 | William Alexander | 78 | Father in law | — | Kentucky |
| 27 | Elizabeth Alexander | 70 | Mother in law | — | Pennsylvania |
| 28 | Harry Kehlon | 39 | Head | Maintenance Fireman | Pennsylvania |
| 29 | Ida Kehlon | 32 | Wife | — | Pennsylvania |
| 30 | Harry Jr. Kehlon | 13 | Son | — | Pennsylvania |
| 31 | Shirley Kehlon | 9 | Daughter | — | Pennsylvania |
| 32 | Benton Montgomery | 60 | Head | Paperhanger | Pennsylvania |
| 33 | Amelia Montgomery | 49 | Wife | Silk Presser | Ohio |
| 34 | James Montgomery THIS PERSON | 24 | Son | Helper | Pennsylvania |
| 35 | Ross Montgomery | 18 | Son | New Worker | Pennsylvania |
| 36 | Robert Montgomery | 12 | Son | — | Pennsylvania |
| 37 | Lou Rinsteller | 70 | Sister in law | — | Pennsylvania |
| 38 | Emma Munroe | 47 | Sister in law | Printer | Pennsylvania |
| 39 | Bernard Bigcraft | 30 | Head | Mail Man | Michigan |
| 40 | Ida Bigcraft | 38 | Wife | — | Pennsylvania |
Pedigree Summary
James + 2 siblings
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)