JC
John Cramer — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Menard, Illinois
Our Model Tree links this John Cramer across the 1920 and 1930 US Censuses in Menard, Illinois (XGBoost, ~Confirmed) — first a son (b.~1913), then head of a 7-person household.
Age 17
b. ~1913
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Menard, Illinois |
| Surname | Cramer |
| Given Name | John L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| Age at First Marriage | NP |
| Father's Birthplace | Germany |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | Laborer |
| Industry | Grain farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Laborer |
| Township / Ward | Irish Grove Precinct |
| Est. Birth Year | ~1913 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Edge Cramer | Other | — | 76 | ~1854 |
| Clara Cramer | Daughter | — | 11 | ~1919 |
| Amos Cramer | Son | — | 3 | ~1927 |
| John Cramer | Son | — | 17 | ~1913 |
| Herman Cramer | Son | — | 13 | ~1917 |
| Amos Cramer | Head | — | 43 | ~1887 |
| Frank Cramer | Son | — | 15 | ~1915 |
Census Appearances
1920
Menard, Illinois
Son, age 7
Menard, Illinois · implied b. ~1913 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cramer |
| Given Name | John L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Germany |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Menard, Illinois
Son, age 17
Menard, Illinois · implied b. ~1913 — 7 household members
| Surname | Cramer |
| Given Name | John L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| Age at First Marriage | NP |
| Father's Birthplace | Germany |
| Mother's Birthplace | Illinois |
| Occupation | Laborer |
| Industry | Grain farm |
| Class of Worker | VVVV |
| 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 John Cramer across 2 US Census years (1920 and 1930) in Menard, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
John Cramer
Son · 1930 · age 17 · b. ~1913 · Illinois
★ You are viewing this record
Sibling
Clara Cramer
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Amos Cramer
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Cramer
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herman Cramer
Sibling · 1930 · age 13
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 — Menard, Illinois
Open full size
1930 US Federal Census — Menard, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel544:0410)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Wilmina E. Lohlen | 21 | Daughter | — | Illinois |
| 2 | Rudolf G. Lohlen | 17 | Son | Farmer | Illinois |
| 3 | Carroll L. Stone | 34 | Head | Farmer | Illinois |
| 4 | Marie Stone | 32 | Wife-H | — | Illinois |
| 5 | Kenneth A. Stone | 5 | Son | — | Illinois |
| 6 | Bernadean Stone | 2 | Daughter | — | Illinois |
| 7 | James Stone | 0 | Son | — | Illinois |
| 8 | Amos F. Cramer | 43 | Head | Farmer | Germany |
| 9 | John L. Cramer THIS PERSON | 17 | Son | Laborer | Illinois |
| 10 | Frank J. Cramer | 15 | Son | — | Illinois |
| 11 | Herman P. Cramer | 13 | Son | — | Illinois |
| 12 | Clara L. Cramer | 11 | Daughter | — | Illinois |
| 13 | Amos F. Cramer | 3 | Son | — | Illinois |
| 14 | Edge E. Cramer | 76 | Father | — | Germany |
| 15 | Henry Kemper | 64 | Head | Farmer | Germany |
| 16 | Lizzie B. Kemper | 55 | Wife-H | — | Germany |
| 17 | Alice L. Dubbs | 80 | Head-H | — | Illinois |
| 18 | Marie L. Dubbs | 44 | Daughter | — | Illinois |
| 19 | Thomas K. Mc Cormick | 55 | Head | Farmer | Illinois |
| 20 | Mary L. Mc Cormick | 59 | Wife-H | — | Illinois |
| 21 | Galen K. Mc Cormick | 24 | Son | Laborer | Illinois |
| 22 | Homer H. Dorgan | 27 | Head | Farmer | Illinois |
| 23 | Hannah D. Dorgan | 27 | Wife-H | — | Illinois |
| 24 | Shirley M. Dorgan | 0 | Daughter | — | Illinois |
| 25 | Edward Bugke | 52 | Boarder | Laborer | Illinois |
| 26 | William L. Miller | 80 | Head | — | Germany |
| 27 | Jennie M. Miller | 71 | Wife-H | — | Illinois |
| 28 | Katie A. Miller | 48 | Daughter | — | Illinois |
| 29 | William N. Miller | 27 | Son | Farmer | Illinois |
| 30 | William A. Busch | 64 | Head | — | Germany |
| 31 | Helena Busch | 62 | Wife-H | — | Germany |
| 32 | Albert Q. Shields | 36 | Head | Farmer | Kentucky |
| 33 | Lavisa M. Shields | 32 | Wife-H | — | Illinois |
| 34 | Ruby E. Shields | 11 | Daughter | — | Illinois |
| 35 | Laura M. Shields | 9 | Daughter | — | Illinois |
| 36 | Julia F. Shields | 6 | Daughter | — | Illinois |
| 37 | William H. Shields | 1 | Son | — | Illinois |
| 38 | Fred F. Kaiser | 35 | Head | Farmer | Illinois |
| 39 | Hannah S. Kaiser | 28 | Wife-H | — | Illinois |
| 40 | Henry R. Kaiser | 5 | Son | — | Illinois |
| 41 | Henry Boeckman | 24 | Laborer | Laborer | Germany |
| 42 | Carl H. Behrens | 36 | Head | Farmer | Illinois |
| 43 | Lillie A. Behrens | 19 | Wife-H | — | Kentucky |
| 44 | William A. Behrens | 0 | Son | — | Illinois |
| 45 | Anna Behrens | 66 | Mother | — | Illinois |
| 46 | Homer Clemens | 18 | Laborer | Laborer | Illinois |
| 47 | Theodore J. Miller | 29 | Head | Farmer | Illinois |
| 48 | Julia C. Miller | 27 | Wife-H | — | Illinois |
| 49 | Roy E. Sampson | 39 | Head | Farmer | Illinois |
| 50 | Laura J. Sampson | 34 | Wife-H | — | Kentucky |
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)