RK
Robert Kerr — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lake-County, Illinois
Our Model Tree links this Robert Kerr across the 1920, 1930 and 1940 US Censuses in Lake-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 4-person household.
Age 55
b. ~1885
Male
Head
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lake-County, Illinois |
| Surname | Kerr |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Zion City |
| 1935 Residence (County) | Lake |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Saw maker |
| Industry | Race Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Saw Maker |
| Township / Ward | Zion City |
| Est. Birth Year | ~1885 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Kenneth Kerr | Son | — | 8 | ~1932 |
| Rebecca Kerr | Spouse | — | 44 | ~1896 |
| Bernice Kerr | Daughter | — | 15 | ~1925 |
| Robert Kerr | Head | — | 55 | ~1885 |
Census Appearances
1920
Fulton, Illinois
Head, age 38
Fulton, Illinois · implied b. ~1882 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kerr |
| Given Name | Robert W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Scotland |
| Year of Immigration | 1906 |
| Naturalization Status | Alien |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Electrician |
| Industry | Coal Mine |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Scotch |
| Home Owned/Rented | R |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1930
Lake, Illinois
Head, age 48
Lake, Illinois · implied b. ~1882 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kerr |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1906 |
| Age at First Marriage | 35 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Lace Weaver |
| Industry | Lace Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | $7,500 |
| Radio Set | R |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Lake-County, Illinois
Head, age 55
Lake-County, Illinois · implied b. ~1885 — 4 household members
| Surname | Kerr |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Zion City |
| 1935 Residence (County) | Lake |
| Naturalization Status | Naturalized |
| Occupation | Saw maker |
| Industry | Race Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 3 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Kerr
Head · 1940 · age 55 · b. ~1885 · 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 — Lake-County, Illinois
Open full size
1940 US Federal Census — Lake-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00831-00715)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Bobby Joe Grogan | 5 | Son | — | Missouri |
| 42 | Harlan Grogan | 33 | Brother | Watchman | Arkansas |
| 43 | Howard Bishop | 48 | Head | Foreman | Nebraska |
| 44 | Ruth Bishop | 54 | Wife | — | Illinois |
| 45 | Robert Bishop | 21 | Son | Assistant Electrician | Illinois |
| 46 | Naomi Bishop | 18 | Daughter | New Worker | Illinois |
| 47 | Esther Bishop | 16 | Daughter | — | Illinois |
| 48 | Arthur Bishop | 13 | Son | — | Illinois |
| 49 | Max Bishop | 11 | Son | — | Illinois |
| 50 | Marion Lucey | 35 | Head | Burnisher Polisher | Indiana |
| 51 | Helen Lucey | 30 | Wife | — | Wisconsin |
| 52 | Dwayne Lucey | 6 | Son | — | Illinois |
| 53 | Ellen Mae Lloyd | 64 | Head | Practical Nurse | England |
| 54 | Rochelle Miller | 12 | Adopted Daughter | — | Illinois |
| 55 | Claudette Marily Miller | 9 | Adopted Daughter | — | Illinois |
| 56 | Gladys Handyside | 16 | Lodger | Coffee Shop | Illinois |
| 57 | Walter Handyside | 52 | Boarder | — | Kansas |
| 58 | Ada Summerland | 47 | Head | Power Machine Oper | Mississippi |
| 59 | Clarence Summerland | 10 | Son | — | Illinois |
| 60 | Robert Kerr THIS PERSON | 55 | Head | Saw Maker | Scotland |
| 61 | Rebecca Kerr | 44 | Wife | — | Michigan |
| 62 | Bernice Kerr | 15 | Daughter | — | Illinois |
| 63 | Kenneth Kerr | 8 | Son | — | Illinois |
| 64 | Alma Pfenninger | 66 | Head | — | Germany |
| 65 | Frank Faulkner | 27 | Head | Punch Press | Illinois |
| 66 | Alice Faulkner | 21 | Wife | Housework | Illinois |
| 67 | Barbara Faulkner | 0 | Daughter | — | Illinois |
| 68 | Mary Ropp | 58 | Head | — | Illinois |
| 69 | Simon Ropp | 69 | Brother | — | Illinois |
| 70 | Edith Brown | 48 | Head | Secretary | Illinois |
| 71 | James B Rooks | 45 | Head | Milk Route | Alabama |
| 72 | Laura R Rooks | 45 | Wife | — | Alabama |
| 73 | David S Rooks | 18 | Son | Milk Route | Illinois |
| 74 | Frances M Rooks | 16 | Daughter | Saleswoman | Illinois |
| 75 | Florene Rooks | 12 | Daughter | — | Illinois |
| 76 | Geneva Jane Rooks | 10 | Daughter | — | Illinois |
| 77 | Ellen Jean Rooks | 9 | Daughter | — | Illinois |
| 78 | Rosalyn Ruth Rooks | 3 | Daughter | — | Illinois |
| 79 | John Twellman | 38 | Head | Repairman Gaskets | Illinois |
| 80 | Nellie Twellman | 75 | Mother | — | Illinois |
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)