RM
Robert Montgomery — 1940 US Census Record
Model Tree available1940 United States Federal Census · New-Castle-County, Delaware
Our Model Tree links this Robert Montgomery across the 1920, 1930 and 1940 US Censuses in New-Castle-County, Delaware (XGBoost, ~Confirmed), with identified parents William & William — first a head (b.~1914), then head of a 3-person household.
Age 26
b. ~1914
Male
Head
Born: Delaware
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | New-Castle-County, Delaware |
| Surname | Montgomery |
| Given Name | Robert P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Delaware |
| 1935 Residence (City) | R |
| 1935 Residence (County) | New Castle |
| Additional Details | |
| Occupation | Chipper operator |
| Industry | Tanning products |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1209 |
| Highest Grade | No 8 |
| 1935 Residence | Delaware |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Occupation | Chipper Operator |
| Township / Ward | Blackbird Hundred District 15 |
| 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 |
|---|---|---|---|---|
| Margaret Montgomery | Daughter | — | 3 | ~1937 |
| Robert Montgomery | Head | — | 26 | ~1914 |
| Maggie Montgomery | Spouse | — | 24 | ~1916 |
Census Appearances
1920
New Castle, …
Son, age 6
New Castle, Delaware · implied b. ~1914 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Montgomery |
| Given Name | Robert P |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Delaware |
| Occupation | student |
| Speaks English | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1930
New Castle, …
Son, age 16
New Castle, Delaware · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Montgomery |
| Given Name | Robert P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Delaware |
| Can Read/Write | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1940
New-Castle-County, Delaware
Head, age 26
New-Castle-County, Delaware · implied b. ~1914 — 3 household members
| Surname | Montgomery |
| Given Name | Robert P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Delaware |
| 1935 Residence (City) | R |
| 1935 Residence (County) | New Castle |
| Occupation | Chipper operator |
| Industry | Tanning products |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1209 |
| Highest Grade | No 8 |
| 1935 Residence | Delaware |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
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 William Montgomery (~0.92 confidence) and father William Montgomery (~0.92 confidence) and mother Mary Montgomery (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Montgomery
b. ~1871
Source father
● Household
· direct · ~0.92
Father
William Montgomery
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Mary Montgomery
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Montgomery
Head · 1940 · age 26 · b. ~1914 · Delaware
★ 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 — New-Castle-County, Delaware
Open full size
1940 US Federal Census — New-Castle-County, Delaware
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00546-00994)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Helen M. Downes | 15 | Daughter | — | Delaware |
| 42 | John T. Downes | 12 | Son | — | Delaware |
| 43 | Rachel C. Downes | 10 | Daughter | — | Delaware |
| 44 | Sara E. Downes | 6 | Daughter | — | Delaware |
| 45 | Mary M. Downes | 23 | Daughter | — | Delaware |
| 46 | Doris Downes | 5 | Daughter | — | Delaware |
| 47 | Raymond Roughley | 49 | Head | Farmer | Maryland |
| 48 | Rena G. Roughley | 49 | Wife | Poultry Raiser | Delaware |
| 49 | Mary E. Roughley | 15 | Daughter | — | Delaware |
| 50 | Charles P. Buckson | 46 | Head | Farmer | Delaware |
| 51 | Beulah D. Buckson | 46 | Wife | Poultry Raiser | Delaware |
| 52 | Helen D. Buckson | 21 | Daughter | Stenographer | Delaware |
| 53 | James P. Buckson | 9 | Son | — | Delaware |
| 54 | William C. Buckson | 8 | Son | — | Delaware |
| 55 | Orville W. Newnom | 49 | Head | Farmer | Maryland |
| 56 | Ruth E. Newnom | 48 | Wife | Poultry Raiser | Delaware |
| 57 | M. Gertrude Newnom | 15 | Daughter | — | Delaware |
| 58 | Lena C. Newnom | 11 | Daughter | — | Delaware |
| 59 | Robert P. Montgomery THIS PERSON | 26 | Head | Chipper Operator | Delaware |
| 60 | Maggie H. Montgomery | 24 | Wife | — | Delaware |
| 61 | Margaret A. Montgomery | 3 | Daughter | — | Delaware |
| 62 | Paul D. Parag | 25 | Head | Farmer | Delaware |
| 63 | Hazel G. Parag | 18 | Wife | — | Pennsylvania |
| 64 | Annie E. Burrows | 62 | Head | — | Delaware |
| 65 | John H. Burrows | 36 | Son | Farmer | Delaware |
| 66 | Mary E. Burrows | 35 | Daughter | Poultry Raiser | Delaware |
| 67 | Charles N. Burrows | 27 | Son | Farmer | Delaware |
| 68 | Wilson A. David | 39 | Head | Farmer | Delaware |
| 69 | Mary F. David | 36 | Wife | Poultry Raiser | Delaware |
| 70 | Benedict Savin | 38 | Hired hand | Farm Laborer | Maryland |
| 71 | Florence R. Shehan | 66 | Head | Poultry Raiser | Delaware |
| 72 | Clarence E. Shehan | 50 | Son | Farmer | Delaware |
| 73 | Norman Shehan | 35 | Son | Farm Laborer | Maryland |
| 74 | Jefferson Cummings | 22 | Hired hand | Farm Laborer | Delaware |
| 75 | Peter Boyles | 48 | Head | W.P.A. Laborer | Delaware |
| 76 | Julia M. Boyles | 38 | Wife | — | Delaware |
| 77 | George P. Boyles | 14 | Son | — | Delaware |
| 78 | Cora M. Boyles | 13 | Daughter | — | Delaware |
| 79 | Edna M. Boyles | 12 | Daughter | — | Delaware |
| 80 | Julia M. Boyles | 3 | Daughter | — | Delaware |
Pedigree Summary
Robert
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)