RC
Robert Crawford — 1940 US Census Record
Model Tree available1940 United States Federal Census · Montgomery-County, Illinois
Our Model Tree links this Robert Crawford across the 1920, 1930 and 1940 US Censuses in Montgomery-County, Illinois (XGBoost, ~Confirmed), with identified parents James & Etta — first a head (b.~1913), then head of a 5-person household.
Age 27
b. ~1913
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Illinois |
| Surname | Crawford |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | North Litchfield Township |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Occupation | Laborer |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 450 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Laborer |
| Township / Ward | North Litchfield Township |
| Est. Birth Year | ~1913 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Crawford | Daughter | — | 1 | ~1939 |
| Norris Crawford | Daughter | — | 4 | ~1936 |
| Robert Crawford | Head | — | 27 | ~1913 |
| Robert Crawford | Son | — | ~1940 | |
| Lilly Crawford | Spouse | — | 24 | ~1916 |
Census Appearances
1920
Montgomery, Illinois
Son, age 8
Montgomery, Illinois · implied b. ~1912 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Crawford |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Montgomery, Illinois
Son, age 18
Montgomery, Illinois · implied b. ~1912 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Crawford |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Assistant |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Montgomery-County, Illinois
Head, age 27
Montgomery-County, Illinois · implied b. ~1913 — 5 household members
| Surname | Crawford |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | North Litchfield Township |
| 1935 Residence (County) | Montgomery |
| Occupation | Laborer |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 450 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Crawford across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Crawford (~0.92 confidence) and mother Etta Crawford (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Crawford
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Etta Crawford
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Crawford
Head · 1940 · age 27 · b. ~1913 · Illinois
★ 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 — Montgomery-County, Illinois
Open full size
1940 US Federal Census — Montgomery-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00860-00805)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Theodore Hutchison | 37 | Head | Yard Man | Illinois |
| 2 | Pearl Hutchison | 44 | Wife | — | Illinois |
| 3 | Billy Hutchison | 12 | Son | — | Illinois |
| 4 | Murl P. Mitchell | 45 | Head | Farming | Illinois |
| 5 | Virgie Mitchell | 44 | Wife | — | Illinois |
| 6 | Ruth Mitchell | 18 | Daughter | New Worker | Illinois |
| 7 | Reba Mitchell | 16 | Daughter | — | Illinois |
| 8 | Paula Mitchell | 14 | Daughter | — | Illinois |
| 9 | Shirley Mitchell | 6 | Son | — | Illinois |
| 10 | Brenda Mitchell | 2 | Daughter | — | Illinois |
| 11 | John Nagle | 60 | Head | Laborer | Illinois |
| 12 | Bertha Nagle | 57 | Wife | — | Illinois |
| 13 | William Nagle | 13 | Son | — | Illinois |
| 14 | Lester Deaton | 29 | Head | Laborer | Illinois |
| 15 | Kathryn Deaton | 24 | Wife | — | Illinois |
| 16 | John Deaton | 1 | Son | — | Illinois |
| 17 | Alfred May | 30 | Head | Laborer | Illinois |
| 18 | Mildred May | 25 | Wife | — | Colorado |
| 19 | Dorothy May | 3 | Daughter | — | Illinois |
| 20 | Charles May | 1 | Son | — | Illinois |
| 21 | L. C. Millhorn | 68 | Head | — | Tennessee |
| 22 | Mary Millhorn | 59 | Wife | — | Tennessee |
| 23 | Mary Millhorn | 16 | Daughter | — | Illinois |
| 24 | William Griffoyle | 83 | Head | — | New York |
| 25 | Martha G. Griffoyle | 65 | Wife | — | Illinois |
| 26 | Norman D. Griffoyle | 26 | Son | Laborer | Illinois |
| 27 | Robert Crawford THIS PERSON | 27 | Head | Laborer | Illinois |
| 28 | Lilly Mel Crawford | 24 | Wife | — | Illinois |
| 29 | Norris Crawford | 4 | Daughter | — | Illinois |
| 30 | Elizabeth Crawford | 1 | Daughter | — | Illinois |
| 31 | Robert Crawford | 0 | Son | — | Illinois |
| 32 | John Carrico | 73 | Head | — | Illinois |
| 33 | George Jennings | 59 | Head | Blacksmith | Illinois |
| 34 | Louise Jennings | 50 | Wife | — | Illinois |
| 35 | John O'Donnell | 71 | Head | — | Illinois |
| 36 | Susie O'Donnell | 68 | Wife | — | Illinois |
| 37 | Allen Smith | 14 | Grandson | — | Illinois |
| 38 | Vernon Penman | 42 | Head | Proprietor | Illinois |
| 39 | Thelma Penman | 27 | Wife | Saleswoman | Missouri |
| 40 | William H. Penman | 9 | Son | — | Illinois |
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)