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Joseph Jacobs — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sedgwick-County, Kansas
Our Model Tree links this Joseph Jacobs across the 1930 and 1940 US Censuses in Sedgwick-County, Kansas (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 11-person household.
Age 15
b. ~1925
Male
Son
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Sedgwick-County, Kansas |
| Surname | Jacobs |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Wichita |
| 1935 Residence (County) | Sedgwick |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Township / Ward | Wichita |
| Est. Birth Year | ~1925 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Lee Jacobs | Son | — | 1 | ~1939 |
| Charles Jacobs | Son | — | 13 | ~1927 |
| Dorothy Jacobs | Daughter | — | 11 | ~1929 |
| Richard Jacobs | Son | — | 5 | ~1935 |
| Bob Jacobs | Son | — | 9 | ~1931 |
| Joseph Jacobs | Head | — | 42 | ~1898 |
| Paul Jacobs | Son | — | 16 | ~1924 |
| Harold Jacobs | Son | — | 10 | ~1930 |
| Joseph Jacobs | Son | — | 15 | ~1925 |
| Patricia Jacobs | Daughter | — | 6 | ~1934 |
| Catherine Jacobs | Spouse | — | 35 | ~1905 |
Census Appearances
1930
Sedgwick, Kansas
Son, age 5
Sedgwick, Kansas · implied b. ~1925 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jacobs |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Russia |
| Mother's Birthplace | Kansas |
| Occupation | none |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Sedgwick-County, Kansas
Son, age 15
Sedgwick-County, Kansas · implied b. ~1925 — 11 household members
| Surname | Jacobs |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Wichita |
| 1935 Residence (County) | Sedgwick |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 Joseph Jacobs across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Joseph Jacobs
Son · 1940 · age 15 · b. ~1925 · Kansas
★ You are viewing this record
Sibling
Bob Jacobs
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lee Jacobs
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Jacobs
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Jacobs
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Jacobs
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Jacobs
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Jacobs
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Jacobs
Sibling · 1940 · 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
1940 US Federal Census — Sedgwick-County, Kansas
Open full size
1940 US Federal Census — Sedgwick-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01275-00242)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Wife Verna | None | F | — | — |
| 42 | James E Freeman | 46 | Head | Attorney | Arkansas |
| 43 | Anna L Freeman | 43 | Wife | — | Oklahoma |
| 44 | Elven Freeman | 20 | Son | — | Kansas |
| 45 | Eldon Verne Cooner | 39 | Head | Switchman | Kansas |
| 46 | Linnie Cooner | 32 | Wife | — | Kansas |
| 47 | Gary Cooner | 5 | Son | — | Kansas |
| 48 | Marsha Cooner | 2 | Daughter | — | Kansas |
| 49 | Joseph Jacobs | 42 | Head | Upholstering Repairing | Russia |
| 50 | Catherine Jacobs | 35 | Wife | — | Kansas |
| 51 | Paul Jacobs | 16 | Son | — | Kansas |
| 52 | Joseph Jacobs THIS PERSON | 15 | Son | — | Kansas |
| 53 | Charles Jacobs | 13 | Son | — | Kansas |
| 54 | Dorothy Jacobs | 11 | Daughter | — | Kansas |
| 55 | Harold Jacobs | 10 | Son | — | Kansas |
| 56 | Bob Jacobs | 9 | Son | — | Kansas |
| 57 | Patricia Jacobs | 6 | Daughter | — | Kansas |
| 58 | Richard Jacobs | 5 | Son | — | Kansas |
| 59 | Lee Roy Jacobs | 1 | Son | — | Kansas |
| 60 | Wilbur Smith | 53 | Head | Carpenter | Illinois |
| 61 | Virginia Smith | 21 | Daughter | — | Kansas |
| 62 | Arthur W Smith | 19 | Son | — | Kansas |
| 63 | Chris Horsley | 44 | Head | Ward Attendant | Kansas |
| 64 | Flossie Horsley | 39 | Wife | — | Kansas |
| 65 | Raymond Horsley | 15 | Son | — | Kansas |
| 66 | Myra Doran | 76 | Mother in law | — | Illinois |
| 67 | Clifford Allen | 36 | Head | Gas Fitter | Kansas |
| 68 | Ralph Forney | 32 | Head | Route Man | Oklahoma |
| 69 | Martha Forney | 27 | Wife | — | Kansas |
| 70 | Jack D Forney | 7 | Son | — | Kansas |
| 71 | This Ends Block 271 And Begins 272 | None | — | — | — |
| 72 | Rudolph Stein | 48 | Head | Driver | Kansas |
| 73 | Elizabeth Stein | 50 | Wife | — | Kansas |
| 74 | Minnie Randall | 56 | Head | — | Indiana |
| 75 | Lula Randall | 20 | Daughter | Clerk | Oklahoma |
| 76 | Lawrence Pratt | 22 | Head | Clerk And Driver | Kansas |
| 77 | Virginia Pratt | 19 | Wife | Laborer | Kansas |
| 78 | Harry Cocking | 32 | Head | Meat Cutter | Missouri |
| 79 | Ruth Cocking | 32 | Wife | — | Illinois |
| 80 | Robert Cocking | 7 | Son | — | Kansas |
Related Census Records
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)