RM
Robert Montgomery — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Robert Montgomery across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Harry & Ursula — first a head (b.~1914), then head of a 3-person household.
Age 26
b. ~1914
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Montgomery |
| Given Name | Robert H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden city |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Chauffeur |
| Industry | Transportation |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1461 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Chauffeur |
| Township / Ward | Malden City |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Marion Tyrell | Daughter | — | 7 | ~1933 |
| Robert Montgomery | Head | — | 26 | ~1914 |
| Inez Montgomery | Spouse | — | 31 | ~1909 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 6
Middlesex, Massachusetts · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Montgomery |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 16
Middlesex, Massachusetts · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Montgomery |
| Given Name | Robert L. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | salesman |
| Industry | florist supplies |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Head, age 26
Middlesex-County, Massachusetts · implied b. ~1914 — 3 household members
| Surname | Montgomery |
| Given Name | Robert H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden city |
| 1935 Residence (County) | Middlesex |
| Occupation | Chauffeur |
| Industry | Transportation |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1461 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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: father Harry Montgomery (~0.92 confidence) and mother Ursula Montgomery (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harry Montgomery
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Ursula Montgomery
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Montgomery
Head · 1940 · age 26 · b. ~1914 · Massachusetts
★ 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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-01608-00728)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Herbert Stewart | 43 | Head | Clergyman | New York |
| 2 | Annalee Stewart | 40 | Wife | — | Illinois |
| 3 | Elizabeth B Stewart | 17 | Daughter | — | Massachusetts |
| 4 | Alexander Jr. Stewart | 15 | Son | — | Massachusetts |
| 5 | Anna Lee Stewart | 12 | Daughter | — | Massachusetts |
| 6 | Josephine E. Lang | 56 | Servant | House Keeper | Massachusetts |
| 7 | Daniel T. Norris | 61 | Head | Financial Man | New Hampshire |
| 8 | Harriette H. Norris | 57 | Wife | — | Massachusetts |
| 9 | Lois E. Norris | 35 | Daughter | Proprietor | Massachusetts |
| 10 | Eugene H. Fournier | 49 | Head | — | Canada-French |
| 11 | George E. Fournier | 25 | Son | Salesman | New Hampshire |
| 12 | Lawrence Freniere | 31 | Head | Chauffeur | Massachusetts |
| 13 | Florence R. Freniere | 29 | Wife | — | Massachusetts |
| 14 | Lawrence D. Freniere | 10 | Son | — | Massachusetts |
| 15 | Francis K. Ellingworth | 47 | Head | Elevator Operator | England |
| 16 | Estelle Ellingworth | 43 | Wife | — | Massachusetts |
| 17 | Louis B. Bornstein | 35 | Head | Salesman | Massachusetts |
| 18 | Evelyn I. Bornstein | 31 | Wife | — | Massachusetts |
| 19 | Richard P. Bornstein | 2 | Son | — | Massachusetts |
| 20 | Hannie E. Garnyan | 64 | Head | — | Maine |
| 21 | James R. Garnyan | 31 | Son | Sales Clerk | Massachusetts |
| 22 | Mary H. Mcvey | 60 | Sister | — | Maine |
| 23 | Maude O. Gillman | 64 | Head | — | New Hampshire |
| 24 | Bertha M. Gillman | 61 | Partner | — | New Hampshire |
| 25 | Robert H. Montgomery THIS PERSON | 26 | Head | Chauffeur | Massachusetts |
| 26 | Inez W. Montgomery | 31 | Wife | — | Massachusetts |
| 27 | Marion S. Tyrell | 7 | Daughter | — | Massachusetts |
| 28 | May H. Morrell | 68 | Head | — | Vermont |
| 29 | William Morrell | 27 | Son | Civil Engineer | Massachusetts |
| 30 | Bertha R. Durning | 54 | Head | House Keeper | Newfoundland |
| 31 | Frank Lucca | 35 | Head | Boat Builder | Italy |
| 32 | Kathleen Rathbun | 60 | Head | Stencilier | Canada-English |
| 33 | Florence Wernhoff | 52 | Head | Cashier | Massachusetts |
| 34 | Mary Bushway | 25 | Head | Waitress | Massachusetts |
| 35 | John Dawson | 34 | Head | Plumber | Massachusetts |
| 36 | Charles D. Bean | 53 | Head | Painter | Massachusetts |
| 37 | Mary F. Bean | 54 | Wife | — | Massachusetts |
| 38 | Matthew G. Cunningham | 42 | Head | Porter | Scotland |
Pedigree Summary
Robert
Gen 1 · 2 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)