RK
Robert Kerr — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Oakland-County, Michigan
Our Model Tree links this Robert Kerr across the 1930 and 1940 US Censuses in Oakland-County, Michigan (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 6-person household.
Age 18
b. ~1922
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Oakland-County, Michigan |
| Surname | Kerr |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Royal Oak City |
| 1935 Residence (County) | Oakland |
| Additional Details | |
| Occupation | clerk |
| Industry | Retail Grocery |
| Class of Worker | PW |
| Hours Worked | 18 |
| Income (1939) | 200 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same house |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Clerk |
| Township / Ward | Royal Oak City |
| Est. Birth Year | ~1922 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Lelia Kerr | Daughter | — | 13 | ~1927 |
| Wilbert Kerr | Head | — | 44 | ~1896 |
| Freda Kerr | Spouse | — | 44 | ~1896 |
| Betty Kerr | Daughter | — | 14 | ~1926 |
| Robert Kerr | Son | — | 18 | ~1922 |
| Calvin Kerr | Son | — | 19 | ~1921 |
Census Appearances
1930
Oakland, Michigan
Son, age 8
Oakland, Michigan · implied b. ~1922 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kerr |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Oakland-County, Michigan
Son, age 18
Oakland-County, Michigan · implied b. ~1922 — 6 household members
| Surname | Kerr |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Royal Oak City |
| 1935 Residence (County) | Oakland |
| Occupation | clerk |
| Industry | Retail Grocery |
| Class of Worker | PW |
| Hours Worked | 18 |
| Income (1939) | 200 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same house |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Kerr
Son · 1940 · age 18 · b. ~1922 · Michigan
★ You are viewing this record
Sibling
Betty Kerr
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Calvin Kerr
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lelia Kerr
Sibling · 1940 · age 13
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 — Oakland-County, Michigan
Open full size
1940 US Federal Census — Oakland-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01802-00620)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Donald A Martin | 3 | Son | — | Michigan |
| 2 | James Wilson | 40 | Head | Switchman | North Carolina |
| 3 | Edna Wilson | 20 | Daughter | — | Virginia |
| 4 | June Wilson | 18 | Daughter | New Worker | North Carolina |
| 5 | Erwin Haggadone | 51 | Head | Carpenter | Kansas |
| 6 | Blanche Haggadone | 36 | Wife | — | Ohio |
| 7 | Duwaine Haggadone | 16 | Son | — | Michigan |
| 8 | Clarence Lynch | 23 | Head | Brick Mason | North Carolina |
| 9 | Muriel B Lynch | 19 | Wife | Clerk | Canada |
| 10 | Clare B Sherman | 47 | Head | Clerk | Michigan |
| 11 | Myrtle Sherman | 45 | Wife | Telegraph Operator | Michigan |
| 12 | Helen Sherman | 19 | Daughter | Secretary | Canada |
| 13 | Joyce Sherman | 13 | Daughter | — | Michigan |
| 14 | Wilbert Kerr | 44 | Head | Chemist | Michigan |
| 15 | Freda Kerr | 44 | Wife | — | Michigan |
| 16 | Calvin Kerr | 19 | Son | New Worker | Michigan |
| 17 | Robert Kerr THIS PERSON | 18 | Son | Clerk | Michigan |
| 18 | Betty Kerr | 14 | Daughter | — | Michigan |
| 19 | Lelia Kerr | 13 | Daughter | — | Michigan |
| 20 | Jesse Ditler | 41 | Head | Automobile Salesman | Pennsylvania |
| 21 | Velita Ditler | 34 | Wife | — | Michigan |
| 22 | Velita Ditler | 13 | Daughter | — | Michigan |
| 23 | Berneta Ditler | 13 | Daughter | — | Michigan |
| 24 | Violet Ditler | 12 | Daughter | — | Michigan |
| 25 | Allen Ditler | 11 | Son | — | Michigan |
| 26 | Richard Ditler | 9 | Son | — | Michigan |
| 27 | Shirley Ditler | 7 | Son | — | Michigan |
| 28 | Harold Ditler | 3 | Son | — | Michigan |
| 29 | Gordon Ditler | 2 | Son | — | Michigan |
| 30 | Sarah E Ditler | 1 | Daughter | — | Michigan |
| 31 | Alfred Riley | 52 | Head | Mechanic | England |
| 32 | Lilly Riley | 44 | Wife | — | England |
| 33 | Thomas Riley | 21 | Son | Insulating | Ohio |
| 34 | Robert Riley | 18 | Son | — | Michigan |
| 35 | Russell Riley | 10 | Son | — | Michigan |
| 36 | Gloria Riley | 7 | Daughter | — | Michigan |
| 37 | George Burnham | 49 | Head | Sub Station Operator | New York |
| 38 | Ruth Burnham | 42 | Wife | — | Pennsylvania |
| 39 | Virginia Burnham | 13 | Daughter | — | Michigan |
| 40 | George Burnham | 8 | Son | — | Michigan |
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)