RK
Robert Kerr — 1930 US Census Record
Model Tree available1930 United States Federal Census · Allen, Ohio
Our Model Tree links this Robert Kerr across the 1920, 1930 and 1940 US Censuses in Allen, Ohio (XGBoost, ~Confirmed), with identified parents Fred & Henrietta — first a son (b.~1919), then head of a 5-person household.
Age 11
b. ~1919
Male
Son
Born: Ohio
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Allen, Ohio |
| Surname | Kerr |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Lima City |
| Est. Birth Year | ~1919 |
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 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Viola Kerr | Other | — | 40 | ~1890 |
| Lawrence Kerr | Son | — | 16 | ~1914 |
| Fred Kerr | Head | — | 41 | ~1889 |
| Robert Kerr | Son | — | 11 | ~1919 |
| Marie Kerr | Daughter | — | 3 | ~1927 |
Census Appearances
1920
Allen, Ohio
Son, age 1
Allen, Ohio · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kerr |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Allen, Ohio
Son, age 11
Allen, Ohio · implied b. ~1919 — 5 household members
| Surname | Kerr |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Allen-County, Ohio
Son, age 21
Allen-County, Ohio · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Karr |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Lima City |
| 1935 Residence (County) | Allen |
| Occupation | Steam Fitter |
| Industry | Plumbing |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 700 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Fred Kerr (~0.92 confidence) and mother Henrietta Kerr (~0.92 confidence) and mother Henrietta Karr (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Fred Kerr
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Henrietta Kerr
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Henrietta Karr
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Kerr
Son · 1930 · age 11 · b. ~1919 · Ohio
★ You are viewing this record
Sibling
Lawrence Kerr
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Kerr
Sibling · 1930 · age 3
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
1930 US Federal Census — Allen, Ohio
Open full size
1930 US Federal Census — Allen, Ohio
Page Contents
50 people indexed on this census page (ia:1930:ohiocensus00reel1746:1037)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ruth Laman | 12 | Daughter | — | Ohio |
| 2 | Harry Douglass | 42 | Head | Salesman | Ohio |
| 3 | Vada H. Douglass | 41 | Wife-H | Bookkeeper | Ohio |
| 4 | C. Truman Lewis | 30 | Head | Teller | Ohio |
| 5 | Lucille H. Lewis | 30 | Wife-H | — | Ohio |
| 6 | William L. Henze | 37 | Head | Accountant | Indiana |
| 7 | Lois L. Henze | 32 | Wife-H | — | Ohio |
| 8 | Robert Bonam | 22 | Head | Baker | Ohio |
| 9 | Nedra H. Bonam | 21 | Wife-H | — | Ohio |
| 10 | Orville E. Moxley | 30 | Head | Chauffeur | Ohio |
| 11 | Ardell H. Moxley | 27 | Wife-H | Clerk | Ohio |
| 12 | Bernard Graff | 24 | Head | Auditing | Ohio |
| 13 | Lillian H. Graff | 21 | Wife-H | Sales Clerk | Ohio |
| 14 | Agnes Feeley | 51 | Head | Salesman | Ohio |
| 15 | Ruth H. Feeley | 26 | Wife-H | Stenographer | Ohio |
| 16 | James Robertson | 27 | Head | Mechanical Eng. | Illinois |
| 17 | Mildred H. Robertson | 24 | Wife-H | — | Ohio |
| 18 | Lavina Whitehead | 32 | Head | Saleslady | Ohio |
| 19 | Mary Whitehead | 10 | Daughter | — | Ohio |
| 20 | Henry Pond | 70 | Father | Laborer | Ohio |
| 21 | Lucy Pond | 69 | Mother | — | Ohio |
| 22 | Thomas Earhart | 30 | Head | Chef | Indiana |
| 23 | Lillian H. Earhart | 32 | Wife-H | — | England |
| 24 | Jack Earhart | 11 | Son | — | Ohio |
| 25 | Charles Earhart | 9 | Son | — | Ohio |
| 26 | Thomas Earhart | 7 | Son | — | Ohio |
| 27 | Shirley Earhart | 5 | Daughter | — | Ohio |
| 28 | Nancy Earhart | 1 | Daughter | — | Ohio |
| 29 | William Firth | 57 | Head | Janitor | Ohio |
| 30 | Sarah H. Firth | 56 | Wife-H | — | Ohio |
| 31 | Fred Firth | 26 | Son | Laborer | Ohio |
| 32 | Velma Firth | 18 | Daughter | — | Ohio |
| 33 | Frances Firth | 15 | Daughter | — | Ohio |
| 34 | Fred H. Kerr | 41 | Head | Car Builder | Kansas |
| 35 | Viola H. Kerr | 40 | Wife-H | — | Ohio |
| 36 | Lawrence Kerr | 16 | Son | — | Ohio |
| 37 | Robert Kerr THIS PERSON | 11 | Son | — | Ohio |
| 38 | Marie Kerr | 3 | Daughter | — | Ohio |
| 39 | George Boop | 27 | Head | Salesman | Ohio |
| 40 | Florence H. Boop | 25 | Wife-H | — | Ohio |
| 41 | Lolita Boop | 3 | Daughter | — | Oklahoma |
| 42 | Carolyn Boop | 0 | Daughter | — | Ohio |
| 43 | Jennie H. Kerr | 69 | Head | — | Ohio |
| 44 | Robert Anna Kerr | 67 | Sister | — | Ohio |
| 45 | Robert Kerr | 31 | Son | Inspector | Ohio |
| 46 | Frank B. Stockler | 27 | Head | Fireman | Ohio |
| 47 | Florence H. Stockler | 23 | Wife-H | — | Ohio |
| 48 | Ed Magnus | 22 | Head | Fireman | Arkansas |
| 49 | Lucille H. Magnus | 23 | Wife-H | — | Ohio |
| 50 | Archie Magnus | 1 | Son | — | Ohio |
Pedigree Summary
Robert + 2 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)