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Robert Jennings — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Marion, Illinois
Our Model Tree links this Robert Jennings across the 1920 and 1930 US Censuses in Marion, Illinois (XGBoost, ~Confirmed) — first a son (b.~1915), then head of a 7-person household.
Age 15
b. ~1915
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Marion, Illinois |
| Surname | Jennings |
| Given Name | Robert G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Indiana |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Patoka Village |
| Est. Birth Year | ~1915 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Mary Jennings | Daughter | — | 5 | ~1925 |
| Robert Jennings | Son | — | 15 | ~1915 |
| John Jennings | Son | — | 17 | ~1913 |
| Davis Jennings | Son | — | 12 | ~1918 |
| Bonnie Jennings | Other | — | 37 | ~1893 |
| Evaline Jennings | Daughter | — | 3 | ~1927 |
| John Jennings | Head | — | 45 | ~1885 |
Census Appearances
1920
Marion, Illinois
Son, age 4
Marion, Illinois · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jennings |
| Given Name | Robert G |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Indiana |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Marion, Illinois
Son, age 15
Marion, Illinois · implied b. ~1915 — 7 household members
| Surname | Jennings |
| Given Name | Robert G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| 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 Jennings across 2 US Census years (1920 and 1930) in Marion, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Jennings
Son · 1930 · age 15 · b. ~1915 · Illinois
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Sibling
Evaline Jennings
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Davis Jennings
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Jennings
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Jennings
Sibling · 1930 · 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
1930 US Federal Census — Marion, Illinois
Open full size
1930 US Federal Census — Marion, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel543:0498)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Fred R. Fields | 8 | Daughter | — | Illinois |
| 52 | John L. Simcox | 69 | Head | Salesman | Kentucky |
| 53 | Josephine Simcox | 65 | Wife-H | Trimmer | Illinois |
| 54 | Elvah D. Riley | 31 | Head | H. S. Teacher | Illinois |
| 55 | Josephine Riley | 27 | Wife-H | — | Illinois |
| 56 | Guy Riley | 2 | Son | — | Illinois |
| 57 | Dorothy Riley | 0 | Daughter | — | Illinois |
| 58 | Ed C. Lawson | 37 | Head | Track Work | Illinois |
| 59 | Maud Lawson | 36 | Wife-H | Saleslady | Illinois |
| 60 | Clyde Davis | 62 | Head-H | Dressmaker | Kentucky |
| 61 | Kathleen Davis | 20 | Daughter | — | Illinois |
| 62 | Etta Smith | 51 | Head-H | Laundress | Illinois |
| 63 | John Smith | 18 | Son | Fruit Inspector | Illinois |
| 64 | Evelyn M. Jackson | 61 | Head-H | — | Illinois |
| 65 | Charles Hill | 44 | Head | Proprietor | Illinois |
| 66 | Annie Hill | 40 | Wife-H | — | Illinois |
| 67 | Bessie Hill | 18 | Daughter | — | Illinois |
| 68 | Leon Hill | 12 | Son | — | Illinois |
| 69 | Elmer Becher | 32 | Head | Laborer | Illinois |
| 70 | Iona L. Becher | 30 | Wife-H | — | Wisconsin |
| 71 | John L. Jennings | 45 | Head | Auctioneer | Illinois |
| 72 | Bonnie Jennings | 37 | Wife-H | — | Indiana |
| 73 | John J. Jennings | 17 | Son | — | Illinois |
| 74 | Robert G. Jennings THIS PERSON | 15 | Son | — | Illinois |
| 75 | Davis Jennings | 12 | Son | — | Illinois |
| 76 | Mary Ellen Jennings | 5 | Daughter | — | Illinois |
| 77 | Evaline Jennings | 3 | Daughter | — | Illinois |
| 78 | Lee Chase | 52 | Head | Plasterer | Illinois |
| 79 | Sadie Chase | 52 | Wife-H | Laundress | Illinois |
| 80 | Louis Chase | 10 | Son | — | Illinois |
| 81 | George Statler | 52 | Head | Retail Merchant | Illinois |
| 82 | Zada Statler | 47 | Wife-H | — | Illinois |
| 83 | Vivian Statler | 23 | Daughter | — | Illinois |
| 84 | Verne Statler | 17 | Son | Farmer | Illinois |
| 85 | Dale Statler | 16 | Son | — | Illinois |
| 86 | Violet Statler | 11 | Daughter | — | Illinois |
| 87 | George Emil Statler | 2 | Son | — | Illinois |
| 88 | Tom Altom | 53 | Head | Salesman | Illinois |
| 89 | Lora Altom | 46 | Wife-H | — | Illinois |
| 90 | Bobbie Altom | 12 | Son | — | Illinois |
| 91 | Nellie May Crawford | 23 | Grand Niece | — | Illinois |
| 92 | Irma Schaeffer | 21 | Boarder | Teacher High | Illinois |
| 93 | Josie Vallow | 68 | Head-H | — | Illinois |
| 94 | Harry Moran | 73 | Head | — | Iowa |
| 95 | Clara Moran | 63 | Sister-H | — | Missouri |
| 96 | June Neece | 11 | Grand Niece | — | Maryland |
| 97 | Lois Jane Neece | 9 | Grand Niece | — | Kansas |
| 98 | Mary C. Lett | 77 | Head-H | — | Kentucky |
| 99 | Albert Cruss | 60 | Head | Plasterer | Illinois |
| 100 | Edith Cruss | 55 | Wife-H | — | Illinois |
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)