RK
Robert Kerr — 1930 US Census Record
Linked across censuses1930 United States Federal Census · St Louis, Missouri
Our Model Tree links this Robert Kerr across the 1930 and 1940 US Censuses in St Louis, Missouri (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 6-person household.
Age 3
b. ~1927
Male
Son
Born: Missouri
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | St Louis, Missouri |
| Surname | Kerr |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Missouri |
| Additional Details | |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | St Louis City |
| Est. Birth Year | ~1927 |
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 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Josephine Kerr | Daughter | — | 1 | ~1929 |
| Walter Kerr | Head | — | 40 | ~1890 |
| Alice Kerr | Daughter | — | 5 | ~1925 |
| Lawrence Kerr | Son | — | 7 | ~1923 |
| Mabel Kerr | Spouse | — | 34 | ~1896 |
| Robert Kerr | Son | — | 3 | ~1927 |
Census Appearances
1930
St Louis, …
Son, age 3
St Louis, Missouri · implied b. ~1927 — 6 household members
| Surname | Kerr |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-County, Missouri
Son, age 13
St.-Louis-County, Missouri · implied b. ~1927 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Karr |
| Given Name | Robert H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Lemay |
| 1935 Residence (County) | St. Louis |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 · 1930 · age 3 · b. ~1927 · Missouri
★ You are viewing this record
Sibling
Alice Kerr
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Kerr
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Josephine Kerr
Sibling · 1930 · age 1
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 — St Louis, Missouri
Open full size
1930 US Federal Census — St Louis, Missouri
Page Contents
50 people indexed on this census page (ia:1930:missouricensus00reel1227:0136)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Fred Crank | 67 | Head | Foreman | Germany |
| 2 | Nora Crank | 62 | Wife | — | Missouri |
| 3 | Fred Jr Crank | 27 | Son | Bookkeeper | Missouri |
| 4 | Edna Crank | 24 | Daughter | Bookkeeper | Missouri |
| 5 | Otto Crank | 22 | Son | Upholsterer | Missouri |
| 6 | Marie Crank | 20 | Daughter | — | Missouri |
| 7 | Gertrude Crank | 18 | Daughter | Stenographer | Missouri |
| 8 | Harry Klamert | 50 | Head | — | Missouri |
| 9 | Emma Klamert | 42 | Wife | — | Missouri |
| 10 | Lydia E Klamert | 19 | Daughter | — | Missouri |
| 11 | Ruth A Klamert | 17 | Daughter | — | Missouri |
| 12 | August Wellinghoff | 67 | Head | Tool Maker | Missouri |
| 13 | Lydia S Wellinghoff | 60 | Wife | — | Missouri |
| 14 | Florence S Wellinghoff | 35 | Daughter | — | Missouri |
| 15 | Edna Wellinghoff | 33 | Daughter | — | Missouri |
| 16 | Ida M Routh | 58 | Sister-in-law | — | Missouri |
| 17 | Harry Lynch | 50 | Head | Mail Carrier | Illinois |
| 18 | Mathilda Lynch | 48 | Wife | — | Missouri |
| 19 | Harry Jr Lynch | 21 | Son | — | Missouri |
| 20 | Mildred Lynch | 18 | Daughter | — | Missouri |
| 21 | Elizabeth J Lynch | 15 | Daughter | — | Missouri |
| 22 | Edward Cassilly | 36 | Head | Assistant Manager | Missouri |
| 23 | Lillian Cassilly | 30 | Wife | — | Kansas |
| 24 | Edward Jr Cassilly | 1 | Son | — | Missouri |
| 25 | Josephine M Mueller | 65 | Head | — | Missouri |
| 26 | Gustave Theobald | 63 | Head | Gardener | Missouri |
| 27 | Anna Theobald | 60 | Wife | — | Missouri |
| 28 | Gustave Jr Theobald | 32 | Son | Specialist | Missouri |
| 29 | Lydia Theobald | 28 | Daughter | — | Missouri |
| 30 | Anna Theobald | 26 | Daughter | — | Missouri |
| 31 | Elmer C Davis | 53 | Head | — | Missouri |
| 32 | Elmer C Jr Davis | 23 | Son | Clerk | Missouri |
| 33 | Doris L Davis | 20 | Daughter | Clerk | Missouri |
| 34 | Ruth I Davis | 14 | Daughter | — | Missouri |
| 35 | Lawrence Davis | 10 | Son | — | Missouri |
| 36 | James Davis | 8 | Son | Clerk | Missouri |
| 37 | James J Davis | 8 | Son | — | Missouri |
| 38 | Mary J Buckley | 75 | Mother | — | Missouri |
| 39 | Walter Kerr | 40 | Head | Student | Indiana |
| 40 | Mabel Kerr | 34 | Wife | — | Missouri |
| 41 | Lawrence Walter Kerr | 7 | Son | — | Missouri |
| 42 | Alice Kerr | 5 | Daughter | — | Missouri |
| 43 | Robert Kerr THIS PERSON | 3 | Son | — | Missouri |
| 44 | Josephine Kerr | 1 | Daughter | — | Missouri |
| 45 | Charles Kuehn | 28 | Head | Owner | Missouri |
| 46 | Rose M Kuehn | 25 | Wife | — | Missouri |
| 47 | Charles Jr Kuehn | 3 | Son | — | Missouri |
| 48 | Robert Kuehn | 1 | Son | — | Missouri |
| 49 | William L Pratt | 31 | Head | Foreman | Missouri |
| 50 | Blanche L Pratt | 32 | Wife | — | Missouri |
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)