RK
Robert Kerr — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Cook, Illinois
Our Model Tree links this Robert Kerr across the 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a son (b.~1913), then head of a 5-person household.
Age 7
b. ~1913
Male
Son
Born: Illinois
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Cook, Illinois |
| Surname | Kerr |
| Given Name | Robert D |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | La Grange Village |
| 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 1920 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| James Kerr | Son | — | 5 | ~1915 |
| Barton Kerr | Son | — | 1 | ~1919 |
| Robert Kerr | Son | — | 7 | ~1913 |
| Florence Kerr | Spouse | — | 28 | ~1892 |
| Philip Kerr | Head | — | 30 | ~1890 |
Census Appearances
1920
Cook, Illinois
Son, age 7
Cook, Illinois · implied b. ~1913 — 5 household members
| Surname | Kerr |
| Given Name | Robert D |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 17
Cook, Illinois · implied b. ~1913 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Karr |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| 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 Kerr across 2 US Census years (1920 and 1930) in Cook, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Kerr
Son · 1920 · age 7 · b. ~1913 · Illinois
★ You are viewing this record
Sibling
Barton Kerr
Sibling · 1920 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Kerr
Sibling · 1920 · age 5
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
1920 US Federal Census — Cook, Illinois
Open full size
1920 US Federal Census — Cook, Illinois
Page Contents
41 people indexed on this census page (ia:1920:14thcensusofpopu296unit:0918)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 10 | John Fagal | 32 | Head | — | Canada |
| 11 | Fagal | 29 | Wife | — | Illinois |
| 12 | Mary Fagal | 7 | Daughter | — | Illinois |
| 13 | Fagal | 5 | Son | — | Illinois |
| 14 | Fagal | 3 | Son | — | Illinois |
| 15 | Fagal | 1 | Son | — | Illinois |
| 16 | Francis Bird | 40 | Head | Druggist | Illinois |
| 17 | Bird | 38 | Wife | — | Illinois |
| 18 | Bird | 15 | Daughter | — | Illinois |
| 19 | Bird | 12 | Son | — | Illinois |
| 20 | Edward Stewart | 35 | Head | — | Illinois |
| 21 | Emma M Stewart | 32 | Wife | — | Illinois |
| 22 | Dorothy Stewart | 8 | Daughter | — | Illinois |
| 23 | John Pollman | 37 | Head | Farmer | Illinois |
| 24 | Celia Pollman | 32 | Wife | — | Illinois |
| 25 | Jack Pollman | 2 | Son | — | Illinois |
| 26 | Oscar Becker | 46 | Head | Manager | Illinois |
| 27 | Margaret N Becker | 41 | Wife | — | Illinois |
| 28 | Robert E Becker | 10 | Son | — | Illinois |
| 29 | Arline A Becker | 4 | Daughter | — | Illinois |
| 30 | Walter L Becker | 1 | Son | — | Illinois |
| 31 | Ada Becker | 0 | Daughter | — | Illinois |
| 32 | John Brady | 32 | Head | Traveling Salesman | Illinois |
| 33 | Lelia M Brady | 31 | Wife | — | Illinois |
| 34 | Philip S Kerr | 30 | Head | Supt | Illinois |
| 35 | Florence M Kerr | 28 | Wife | — | Illinois |
| 36 | Robert D Kerr THIS PERSON | 7 | Son | — | Illinois |
| 37 | James F Kerr | 5 | Son | — | Illinois |
| 38 | Barton R Kerr | 1 | Son | — | Illinois |
| 39 | Fred W Kineclimbing | 70 | Head | Miller | Illinois |
| 40 | Louise M Kineclimbing | 30 | Daughter | Teacher | Illinois |
| 41 | Paul Gladys R Kineclimbing | 15 | Grand Son | — | Illinois |
| 42 | Andrew Kiley | 76 | Head | — | Germany |
| 43 | Katherine C Kiley | 51 | Daughter | — | Illinois |
| 44 | Anna Kiley | 42 | Daughter | — | Illinois |
| 45 | Clara A Colcord | 60 | Head | — | Illinois |
| 46 | Mildred Colcord | 23 | Daughter | Teacher | Illinois |
| 47 | Leo C Colcord | 21 | Son | — | Illinois |
| 48 | Robert P Donahue | 51 | Head | Retired | Illinois |
| 49 | Katherine E Donahue | 40 | Sister | — | Illinois |
| 50 | Margaret A Donahue | 50 | Sister | — | Illinois |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)