RC
Robert Craig — 1940 US Census Record
Model Tree available1940 United States Federal Census · Woodbury-County, Iowa
Our Model Tree links this Robert Craig across the 1920, 1930 and 1940 US Censuses in Woodbury-County, Iowa (XGBoost, ~Confirmed), with identified parents Ivan & John — first a son (b.~1920), then head of a 7-person household.
Age 20
b. ~1920
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Woodbury-County, Iowa |
| Surname | Craig |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Sloan |
| 1935 Residence (County) | Woodbury |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Laborer |
| Township / Ward | Sloan |
| Est. Birth Year | ~1920 |
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 |
|---|---|---|---|---|
| Arva Craig | Son | — | 18 | ~1922 |
| Theron Craig | Son | — | 12 | ~1928 |
| Robert Craig | Son | — | 20 | ~1920 |
| John Craig | Head | — | 67 | ~1873 |
| Deborah Craig | Spouse | — | 59 | ~1881 |
| Margaret Craig | Daughter | — | 16 | ~1924 |
| Ray Craig | Son | — | 23 | ~1917 |
Census Appearances
1920
Woodbury, Iowa
Son, age
Woodbury, Iowa · implied b. ~1920 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Craig |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Ohio |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Woodbury, Iowa
Son, age 10
Woodbury, Iowa · implied b. ~1920 — 32 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Craig |
| Given Name | Robert C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Woodbury-County, Iowa
Son, age 20
Woodbury-County, Iowa · implied b. ~1920 — 7 household members
| Surname | Craig |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Sloan |
| 1935 Residence (County) | Woodbury |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Craig across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ivan Craig (~0.92 confidence) and father John Craig (~0.92 confidence) and mother Deborah Craig (~0.92 confidence) and mother Deborah Craig (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ivan Craig
b. ~1874
Source father
● Household
· direct · ~0.92
Father
John Craig
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Deborah Craig
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Deborah Craig
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Craig
Son · 1940 · age 20 · b. ~1920 · Iowa
★ You are viewing this record
Sibling
Margaret Craig
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theron Craig
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ray Craig
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arva Craig
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Woodbury-County, Iowa
Open full size
1940 US Federal Census — Woodbury-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01216-00893)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Forrest Baker | 35 | Head | Farmer | Iowa |
| 42 | Geneva Baker | 31 | Wife | — | Iowa |
| 43 | Shirley Baker | 13 | Daughter | — | Iowa |
| 44 | Gerald Baker | 11 | Son | — | Iowa |
| 45 | Loretta Baker | 8 | Daughter | — | Iowa |
| 46 | Evelyn Baker | 6 | Daughter | — | Iowa |
| 47 | Orin Smith | 55 | Head | Farmer | Iowa |
| 48 | Jessie Smith | 49 | Wife | — | Iowa |
| 49 | Max Paul | 54 | Head | Farmer | Iowa |
| 50 | Beulah Paul | 47 | Wife | — | Iowa |
| 51 | Raymond Paul | 25 | Son | — | Neb |
| 52 | Charles Paul | 21 | Son | — | Neb |
| 53 | Donald Paul | 15 | Son | — | Iowa |
| 54 | Charles Craig | 62 | Head | Farmer | Ill |
| 55 | Carrie Craig | 68 | Wife | — | Mo |
| 56 | John Craig | 67 | Head | Farmer | Ill |
| 57 | Deborah Craig | 59 | Wife | — | Ohio |
| 58 | Ray Craig | 23 | Son | Laborer | Iowa |
| 59 | Robert Craig THIS PERSON | 20 | Son | Laborer | Iowa |
| 60 | Arva Craig | 18 | Son | — | Iowa |
| 61 | Margaret Craig | 16 | Daughter | — | Iowa |
| 62 | Theron Craig | 12 | Son | — | Iowa |
| 63 | Harold Bowers | 40 | Head | Farmer | Mo |
| 64 | Ellen Bowers | 38 | Wife | — | Mo |
| 65 | Genevieve Bowers | 15 | Daughter | — | Iowa |
| 66 | Maxine Bowers | 12 | Daughter | — | Iowa |
| 67 | Jo Ann Bowers | 8 | Daughter | — | Iowa |
| 68 | Bert Gay | 58 | Head | Farmer | Iowa |
| 69 | Bess Gay | 54 | Wife | — | Iowa |
| 70 | Dale Pittman | 71 | Head | Farmer | Mo |
| 71 | Nellie Pittman | 58 | Wife | — | Iowa |
| 72 | Adeline Pittman | 35 | Daughter | Maid | Iowa |
| 73 | Aurelia Pittman | 25 | Daughter | Maid | Iowa |
| 74 | Harold Pittman | 28 | Son | Laborer | Iowa |
| 75 | Ruby Pittman | 21 | Daughter-in-law | — | Iowa |
| 76 | Joyce Pittman | 5 | Granddaughter | — | Iowa |
| 77 | H. D. Nelsen | 51 | Head | Farmer | Iowa |
| 78 | Marion Nelsen | 50 | Wife | — | Iowa |
| 79 | Dorothy Nelsen | 19 | Daughter | — | Iowa |
| 80 | Delbert Nelsen | 16 | Son | — | Iowa |
Pedigree Summary
Robert + 4 siblings
Gen 1 · 4 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)