RK
Robert Kerr — 1940 US Census Record
Model Tree available1940 United States Federal Census · Fayette-County, Iowa
Our Model Tree links this Robert Kerr across the 1920, 1930 and 1940 US Censuses in Fayette-County, Iowa (XGBoost, ~Confirmed), with identified parents William & Annie — first a head (b.~1920), then head of a 3-person household.
Age 20
b. ~1920
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Fayette-County, Iowa |
| Surname | Kerr |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Pleasant Valley Township |
| 1935 Residence (County) | Fayette |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 366 |
| Highest Grade | T 7 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Laborer |
| Township / Ward | Pleasant Valley Township |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Grace Kerr | Spouse | — | 19 | ~1921 |
| Robert Kerr | Head | — | 20 | ~1920 |
| Howard Kerr | Daughter | — | 1 | ~1939 |
Census Appearances
1920
Fayette, Iowa
Son, age
Fayette, Iowa · implied b. ~1920 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kerr |
| Given Name | Robert L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Fayette, Iowa
Son, age 10
Fayette, Iowa · implied b. ~1920 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kerr |
| Given Name | Robert D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Fayette-County, Iowa
Head, age 20
Fayette-County, Iowa · implied b. ~1920 — 3 household members
| Surname | Kerr |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Pleasant Valley Township |
| 1935 Residence (County) | Fayette |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 366 |
| Highest Grade | T 7 |
| 1935 Residence | Same place |
| 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 Kerr across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Kerr (~0.92 confidence) and mother Annie Kerr (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Kerr
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Annie Kerr
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Kerr
Head · 1940 · age 20 · b. ~1920 · Iowa
★ 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 — Fayette-County, Iowa
Open full size
1940 US Federal Census — Fayette-County, Iowa
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01160-01080)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Levi Learn | 59 | Head | Farming | Iowa |
| 42 | Martha Learn | 52 | Wife | — | Iowa |
| 43 | Hugh Learn | 19 | Son | Farm | Iowa |
| 44 | Laura Learn | 32 | Daughter | Housework | Iowa |
| 45 | Charles R. Belknap | 56 | Head | Farming | Iowa |
| 46 | Eva L. Belknap | 48 | Wife | — | Iowa |
| 47 | Leland Belknap | 16 | Son | Laborer | Iowa |
| 48 | Raymond R. Belknap | 15 | Son | — | Iowa |
| 49 | Blair E. Belknap | 11 | Daughter | — | Iowa |
| 50 | Paul Kenneth Belknap | 6 | Son | — | Iowa |
| 51 | Barbara J. Belknap | 2 | Daughter | — | Iowa |
| 52 | Clive Helms | 38 | Head | Farming | Iowa |
| 53 | Alice E. Helms | 33 | Wife | — | Wisconsin |
| 54 | Diane L. Helms | 4 | Daughter | — | Iowa |
| 55 | Harley W. Helms | 60 | Head | Farming | Iowa |
| 56 | Ada Helms | 58 | Wife | — | Iowa |
| 57 | Mary Maberry | 35 | Head | Instructor | Iowa |
| 58 | Vina M. Maberry | 39 | Wife | — | Iowa |
| 59 | Clifford D. Maberry | 5 | Son | — | Iowa |
| 60 | Barbara J. Maberry | 3 | Daughter | — | Iowa |
| 61 | Robert Kerr THIS PERSON | 20 | Head | Laborer | Iowa |
| 62 | Grace Kerr | 19 | Wife | — | Iowa |
| 63 | Howard Collen Kerr | 1 | Daughter | — | Iowa |
| 64 | Forest D. Sheffer | 35 | Head | Farming | Iowa |
| 65 | Darlene G. Sheffer | 32 | Wife | — | Iowa |
| 66 | Delene A. Sheffer | 2 | Daughter | — | Iowa |
| 67 | Clare G. Erhardt | 51 | Head | Farming | Iowa |
| 68 | Esther Erhardt | 51 | Wife | — | Iowa |
| 69 | Marie Erhardt | 21 | Daughter | — | Iowa |
| 70 | Harris Hegland | 22 | Lodger | Laborer | Iowa |
| 71 | Herbert Emmonsmith | 45 | Head | Farmer | Iowa |
| 72 | Blanche Emmonsmith | 39 | Wife | — | Iowa |
| 73 | Connor Emmonsmith | 17 | Son | — | Iowa |
| 74 | Fritz F. Suelow | 24 | Head | Farming | Iowa |
| 75 | Letha M. Suelow | 24 | Wife | — | Iowa |
| 76 | Beverly A. Suelow | 2 | Daughter | — | Iowa |
| 77 | Charles D. Suelow | 1 | Son | — | Iowa |
| 78 | Art L. Pattison | 77 | Head | Farming | Iowa |
| 79 | Stella Pattison | 76 | Wife | — | Wisconsin |
Related Census Records
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)