RM
Robert Montgomery — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this Robert Montgomery across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed), with identified parents Alfred & Katherine — first a head (b.~1898), then head of a 3-person household.
Age 42
b. ~1898
Male
Head
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Montgomery |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Foreman steel gang |
| Industry | Water tank erectors |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1020 |
| Highest Grade | 6 |
| 1935 Residence | Same house |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Foreman Steel Gang |
| Township / Ward | Louisville |
| Est. Birth Year | ~1898 |
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 |
|---|---|---|---|---|
| Robert Montgomery | Head | — | 42 | ~1898 |
| James Montgomery | Son | — | 5 | ~1935 |
| Mary Montgomery | Spouse | — | 37 | ~1903 |
Census Appearances
1920
Jefferson, Kentucky
Son, age 21
Jefferson, Kentucky · implied b. ~1899 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Montgomery |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Worker |
| Industry | Machine shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Jefferson, Kentucky
Head, age 32
Jefferson, Kentucky · implied b. ~1898 — 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 | 32 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 22 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Fireman |
| Industry | Tank & Iron |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2000 |
| Radio Set | R |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Head, age 42
Jefferson-County, Kentucky · implied b. ~1898 — 3 household members
| Surname | Montgomery |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville |
| 1935 Residence (County) | Jefferson |
| Occupation | Foreman steel gang |
| Industry | Water tank erectors |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1020 |
| Highest Grade | 6 |
| 1935 Residence | Same house |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Alfred Montgomery (~0.92 confidence) and mother Katherine Montgomery (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Alfred Montgomery
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Katherine Montgomery
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Montgomery
Head · 1940 · age 42 · b. ~1898 · Kentucky
★ 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 — Jefferson-County, Kentucky
Open full size
1940 US Federal Census — Jefferson-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01368-00495)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dora Minyard | 56 | Wife | — | Kentucky |
| 42 | Frankie Ware | 22 | Daughter | Sorter | Kentucky |
| 43 | Robert Ware | 4 | Grandson | — | Kentucky |
| 44 | Russell N. Griffin | 34 | Head | Carman Helper | Kentucky |
| 45 | Lorena Griffin | 30 | Wife | — | Kentucky |
| 46 | Marilyn Griffin | 8 | Daughter | — | Kentucky |
| 47 | Donald Griffin | 4 | Son | — | Kentucky |
| 48 | Robert Montgomery THIS PERSON | 42 | Head | Foreman Steel Gang | Kentucky |
| 49 | Mary Montgomery | 37 | Wife | — | Kentucky |
| 50 | James R. Montgomery | 5 | Son | — | Kentucky |
| 51 | Mary Sanders | 74 | Head | — | Kentucky |
| 52 | Arthur Sanders | 43 | Son | — | Kentucky |
| 53 | George Blair | 49 | Head | Painter | Kentucky |
| 54 | Ruby Blair | 32 | Wife | — | Kentucky |
| 55 | George Blair | 11 | Son | — | Kentucky |
| 56 | James F. Blair | 4 | Son | — | Kentucky |
| 57 | Donald L. Blair | 2 | Son | — | Kentucky |
| 58 | Albert Jones | 33 | Head | Gluer | Kentucky |
| 59 | Britta Jones | 33 | Wife | — | Kentucky |
| 60 | Arline Jones | 5 | Daughter | — | Kentucky |
| 61 | Dora Murphy | 44 | Head | — | Kentucky |
| 62 | Emmet M. Murphy | 27 | Son | Excavator | Kentucky |
| 63 | James R. Murphy | 17 | Son | — | Kentucky |
| 64 | Walter Wise | 41 | Head | Molder | Kentucky |
| 65 | Ethel Wise | 41 | Wife | — | Kentucky |
| 66 | Alice R. Wise | 16 | Daughter | — | Kentucky |
| 67 | James T. Wise | 13 | Son | — | Kentucky |
| 68 | Lillian D. Wise | 11 | Daughter | — | Kentucky |
| 69 | George R. Wise | 10 | Son | — | Kentucky |
| 70 | Mary K. Wise | 8 | Daughter | — | Kentucky |
| 71 | Margaret R. Wise | 7 | Daughter | — | Kentucky |
| 72 | Walter B. Wise | 4 | Son | — | Kentucky |
| 73 | Joseph N. Wise | 2 | Son | — | Kentucky |
| 74 | Sam Alford | 45 | Head | Carpenter Painter | Kentucky |
| 75 | Georgia Alford | 30 | Wife | — | Kentucky |
| 76 | Charles Alford | 14 | Son | — | Kentucky |
| 77 | James S. Alford | 9 | Son | — | Kentucky |
| 78 | Barbara Alford | 8 | Daughter | — | Kentucky |
| 79 | Wanda Alford | 7 | Daughter | — | Kentucky |
| 80 | Patricia Alford | 5 | Daughter | — | Kentucky |
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)