RM
Robert Montgomery — 1940 US Census Record
Model Tree available1940 United States Federal Census · Union-County, New Jersey
Our Model Tree links this Robert Montgomery across the 1920, 1930 and 1940 US Censuses in Union-County, New Jersey (XGBoost, ~Confirmed), with identified parents Jennie — first a head (b.~1907), then head of a 7-person household.
Age 33
b. ~1907
Male
Head
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Union-County, New Jersey |
| Surname | Montgomery |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Linden |
| 1935 Residence (County) | Union |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Pipe-Fitter |
| Industry | Oil Refinery |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 600 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Pipe-Fitter |
| Township / Ward | Linden |
| Est. Birth Year | ~1907 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Edna Montgomery | Daughter | — | 6 | ~1934 |
| Virginia Montgomery | Daughter | — | 10 | ~1930 |
| Robert Montgomery | Head | — | 33 | ~1907 |
| Nellie Bentive | Other | — | 23 | ~1917 |
| James Montgomery | Son | — | 2 | ~1938 |
| Robert Montgomery | Son | — | 8 | ~1932 |
| Edna Montgomery | Spouse | — | 31 | ~1909 |
Census Appearances
1920
Union, New …
Son, age 12
Union, New Jersey · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Montgomery |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Scotland |
| Year of Immigration | 1910 |
| Naturalization Status | Un |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Mach Hand |
| Industry | Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Scotch |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1930
Union, New …
Head, age 23
Union, New Jersey · implied b. ~1907 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Montgomery |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1914 |
| Age at First Marriage | 21 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Helper |
| Industry | Oil Refinery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 25.00 |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Union-County, New …
Head, age 33
Union-County, New Jersey · implied b. ~1907 — 7 household members
| Surname | Montgomery |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Linden |
| 1935 Residence (County) | Union |
| Naturalization Status | Naturalized |
| Occupation | Pipe-Fitter |
| Industry | Oil Refinery |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 600 |
| Highest Grade | H 4 |
| 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 Robert Montgomery across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Jennie Montgomery (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Jennie Montgomery
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Montgomery
Head · 1940 · age 33 · b. ~1907 · New Jersey
★ 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 — Union-County, New Jersey
Open full size
1940 US Federal Census — Union-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02386-00634)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sabina Davis | 14 | Daughter | — | New Jersey |
| 2 | Florence Watson | 43 | Wife | — | New Jersey |
| 3 | Loretta Watson | 19 | Niece | — | New Jersey |
| 4 | Kenneth S. Watson | 20 | Son | Cement Finisher | New Jersey |
| 5 | George Lamos | 44 | Head | Fireman | New Jersey |
| 6 | Mary R. Lamos | 35 | Wife | — | Pennsylvania |
| 7 | Steve Lamos | 20 | Son | Laborer | Pennsylvania |
| 8 | Frank Lamos | 3 | Son | — | New Jersey |
| 9 | Anna Vrehely | 63 | Mother in law | — | Pennsylvania |
| 10 | Steve Logan | 39 | Lodger | Laborer | Czechoslovakia |
| 11 | Robert Montgomery THIS PERSON | 33 | Head | Pipe-Fitter | Scotland |
| 12 | Edna Montgomery | 31 | Wife | — | New Jersey |
| 13 | Virginia Montgomery | 10 | Daughter | — | New Jersey |
| 14 | Robert Montgomery | 8 | Son | — | New Jersey |
| 15 | Edna L. Montgomery | 6 | Daughter | — | New Jersey |
| 16 | James Montgomery | 2 | Son | — | New Jersey |
| 17 | Nellie Bentive | 23 | Sister in law | Factory Worker | New Jersey |
| 18 | John Markiewicz | 52 | Head | Fireman | Russia |
| 19 | Veronica Markiewicz | 50 | Wife | — | Russia |
| 20 | John Markiewicz | 19 | Son | Laborer | New Jersey |
| 21 | Bernie Markiewicz | 18 | Son | — | New Jersey |
| 22 | Mike Sienkiewicz | 64 | Lodger | Laborer | Russia |
| 23 | Elizabeth Riedinger | 42 | Head | — | New Jersey |
| 24 | Mildred Riedinger | 21 | Son | Apprentice Tool Maker | New Jersey |
| 25 | Frank Smythson | 39 | Lodger | Truck Driver | New Jersey |
| 26 | Arthur Saunders | 34 | Head | Stationary Fireman | Pennsylvania |
| 27 | Lillian Saunders | 30 | Wife | — | N. Dakota |
| 28 | Arthur Saunders | 9 | Son | — | New Jersey |
| 29 | Robert Saunders | 3 | Son | — | New Jersey |
| 30 | Michael Stein | 29 | Head | Bar Tender | New Jersey |
| 31 | Viola Stein | 27 | Wife | — | New Jersey |
| 32 | Nate Meyers | 26 | Lodger | Laborer | New Jersey |
| 33 | Peter Roughing | 34 | Head | Laborer | New Jersey |
| 34 | Katherine Roughing | 27 | Wife | Machine Operator | New Jersey |
| 35 | Patricia Roughing | 2 | Daughter | — | New Jersey |
| 36 | Woodrow Cain | 25 | Head | Cutter | Ohio |
| 37 | Gladys Cain | 24 | Wife | — | New Jersey |
| 38 | Doris Cain | 3 | Daughter | — | New Jersey |
| 39 | Block Ends ( | None | — | — | — |
| 40 | Adam Wojtkowski | 40 | Head | Proprietor | Poland |
Pedigree Summary
Robert
Gen 1 · 1 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)