JC
John Conner — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Douglas, South Dakota
Our Model Tree links this John Conner across the 1930 and 1940 US Censuses in Douglas, South Dakota (XGBoost, ~Confirmed) — first a son (b.~1907), then head of a 11-person household.
Age 23
b. ~1907
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Douglas, South Dakota |
| Surname | Conner |
| Given Name | John D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Northern Ireland |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Laborer |
| Township / Ward | Chester Township |
| Est. Birth Year | ~1907 |
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 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Viola Conner | Daughter | — | 12 | ~1918 |
| Mary Conner | Other | — | 46 | ~1884 |
| Lucile Conner | Daughter | — | 22 | ~1908 |
| John Conner | Son | — | 23 | ~1907 |
| Delores Conner | Daughter | — | 14 | ~1916 |
| Agnes Conner | Daughter | — | 11 | ~1919 |
| Elvera Conner | Daughter | — | 18 | ~1912 |
| Regina Conner | Daughter | — | 16 | ~1914 |
| Alice Conner | Daughter | — | 19 | ~1911 |
| Frank Conner | Head | — | 46 | ~1884 |
| Eveline Conner | Daughter | — | 21 | ~1909 |
Census Appearances
1930
Douglas, South …
Son, age 23
Douglas, South Dakota · implied b. ~1907 — 11 household members
| Surname | Conner |
| Given Name | John D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Northern Ireland |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Douglas-County, South …
Son, age 34
Douglas-County, South Dakota · implied b. ~1906 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Connor |
| Given Name | John P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Independence |
| 1935 Residence (County) | Douglas |
| Occupation | Clerk |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 641 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 John Conner across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Conner
Son · 1930 · age 23 · b. ~1907 · South Dakota
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Sibling
Elvera Conner
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Conner
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucile Conner
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Conner
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eveline Conner
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Viola Conner
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Delores Conner
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Regina Conner
Sibling · 1930 · age 16
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 — Douglas, South Dakota
Open full size
1930 US Federal Census — Douglas, South Dakota
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2222unit:0809)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Walter H. Peters | 17 | Son | Laborer | South Dakota |
| 52 | Agnes S. Peters | 15 | Daughter | — | South Dakota |
| 53 | Mildred C. Peters | 14 | Daughter | — | South Dakota |
| 54 | Franklin E. Peters | 12 | Son | — | South Dakota |
| 55 | Ervin Peters | 28 | Nephew | Laborer | South Dakota |
| 56 | Frank E. Conner | 46 | Head | Farmer | Iowa |
| 57 | Mary E. Conner | 46 | Wife-H | — | Northern Ireland |
| 58 | John D. Conner THIS PERSON | 23 | Son | Laborer | Iowa |
| 59 | Lucile M. Conner | 22 | Daughter | — | Iowa |
| 60 | Eveline M. Conner | 21 | Daughter | Servant | Iowa |
| 61 | Alice S. Conner | 19 | Daughter | — | Iowa |
| 62 | Elvera E. Conner | 18 | Daughter | — | South Dakota |
| 63 | Regina Conner | 16 | Daughter | — | South Dakota |
| 64 | Delores E. Conner | 14 | Daughter | — | South Dakota |
| 65 | Viola Conner | 12 | Daughter | — | South Dakota |
| 66 | Agnes R. Conner | 11 | Daughter | — | South Dakota |
| 67 | Roy M. Jarvis | 32 | Head | Farmer | Indiana |
| 68 | Minnie M. Jarvis | 27 | Wife-H | — | Iowa |
| 69 | Joe Bruning | 24 | Head | Laborer | South Dakota |
| 70 | Mary Bruning | 18 | Wife-H | — | South Dakota |
| 71 | Dorothy Bruning | 1 | Daughter | — | South Dakota |
| 72 | Charles P. Hamm | 60 | Head | Farmer | Illinois |
| 73 | Lyda Hamm | 56 | Wife-H | — | Iowa |
| 74 | Aloysius J. Hamm | 29 | Son | Laborer | South Dakota |
| 75 | James C. Hamm | 21 | Son | Laborer | South Dakota |
| 76 | Imelda Hamm | 17 | Daughter | — | South Dakota |
| 77 | Carroll C. Hamm | 15 | Son | — | South Dakota |
| 78 | Charles H. Palmer | 46 | Head | Farmer | South Dakota |
| 79 | Leah B. Palmer | 32 | Wife-H | — | Iowa |
| 80 | Irene Palmer | 12 | Daughter | — | Iowa |
| 81 | Charles H. Palmer | 11 | Son | — | Iowa |
| 82 | Curtis M. Palmer | 74 | Father | — | Illinois |
| 83 | George Elsinger | 55 | Boarder | Laborer | Illinois |
| 84 | Edward Holber | 29 | Head | Farmer | South Dakota |
| 85 | Fred W. Holber | 28 | Brother | Laborer | South Dakota |
| 86 | Gaylin W. Swallow | 35 | Head | Farmer | Illinois |
| 87 | Gladys H. Swallow | 34 | Wife-H | — | South Dakota |
| 88 | Doris A. Swallow | 11 | Daughter | — | Illinois |
| 89 | Robert G. Swallow | 9 | Son | — | Illinois |
| 90 | Raymond E. Swallow | 4 | Son | — | South Dakota |
| 91 | Donald W. Swallow | 2 | Son | — | South Dakota |
| 92 | Noel L. Whitaker | 44 | Head | Farmer | Iowa |
| 93 | Anna Whitaker | 32 | Wife-H | — | South Dakota |
| 94 | Adam Workmeister | 54 | Head | Farmer | Illinois |
| 95 | Lizzie Workmeister | 47 | Wife-H | — | Iowa |
| 96 | Hattie Workmeister | 25 | Daughter | — | Iowa |
| 97 | Maggie Workmeister | 21 | Daughter | — | South Dakota |
| 98 | Clara Workmeister | 18 | Daughter | — | South Dakota |
| 99 | Arthur Workmeister | 16 | Son | Laborer | South Dakota |
| 100 | Louis Workmeister | 14 | Son | — | South Dakota |
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)