JC
John Cramer — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Jefferson, Kentucky
Our Model Tree links this John Cramer across the 1930 and 1940 US Censuses in Jefferson, Kentucky (XGBoost, ~Confirmed) — first a son (b.~1914), then head of a 7-person household.
Age 16
b. ~1914
Male
Son
Born: Kentucky
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Jefferson, Kentucky |
| Surname | Cramer |
| Given Name | John H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Part Of Magisterial Dist 4 |
| Est. Birth Year | ~1914 |
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 |
|---|---|---|---|---|
| Harry Cramer | Head | — | 44 | ~1886 |
| Bernard Cramer | Son | — | 21 | ~1909 |
| Naomi Cramer | Daughter | — | 19 | ~1911 |
| John Cramer | Son | — | 16 | ~1914 |
| J Cramer | Son | — | 22 | ~1908 |
| Louise Cramer | Spouse | — | 33 | ~1897 |
| Edna Cramer | Daughter | — | 20 | ~1910 |
Census Appearances
1930
Jefferson, Kentucky
Son, age 16
Jefferson, Kentucky · implied b. ~1914 — 7 household members
| Surname | Cramer |
| Given Name | John H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Head, age 26
Jefferson-County, Kentucky · implied b. ~1914 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kramer |
| Given Name | John B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Occupation | Electrical Engineer |
| Industry | Y.M.C.A. |
| Class of Worker | PW |
| Hours Worked | 51 |
| Income (1939) | 2700 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Cramer
Son · 1930 · age 16 · b. ~1914 · Kentucky
★ You are viewing this record
Sibling
J Cramer
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Naomi Cramer
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernard Cramer
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edna Cramer
Sibling · 1930 · age 20
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 — Jefferson, Kentucky
Open full size
1930 US Federal Census — Jefferson, Kentucky
Page Contents
50 people indexed on this census page (ia:1930:kentuckycensus00reel752:0789)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ben M Vogt | 37 | Head | Farmer | Kentucky |
| 2 | Carrie T Vogt | 35 | Wife | — | Kentucky |
| 3 | Ethel C Vogt | 11 | Daughter | — | Kentucky |
| 4 | Bernard M Vogt | 9 | Son | — | Kentucky |
| 5 | Dorothy J Vogt | 4 | Daughter | — | Kentucky |
| 6 | Rose E Vogt | 2 | Daughter | — | Kentucky |
| 7 | Francis J Vogt | 27 | Brother | — | Kentucky |
| 8 | Henry E Gast | 32 | Head | Laborer | Kentucky |
| 9 | Marie E Gast | 27 | Wife | — | Kentucky |
| 10 | Louise M Gast | 8 | Daughter | — | Kentucky |
| 11 | Irma A Gast | 5 | Daughter | — | Kentucky |
| 12 | Irma E Gast | 3 | Daughter | — | Kentucky |
| 13 | Louis J Gast | 2 | Son | — | Kentucky |
| 14 | Lucille M Gast | 0 | Daughter | — | Kentucky |
| 15 | J H Edison | 42 | Head | Teamster | Kentucky |
| 16 | Stella Edison | 38 | Wife | — | Indiana |
| 17 | Edgar L Edison | 21 | Son | Truck Driver | Kentucky |
| 18 | Frank G Edison | 17 | Son | Laborer | Kentucky |
| 19 | Barbara Schmitt | 69 | Mother-in-law | — | Indiana |
| 20 | Lee Temme | 42 | Head | Foreman | Denmark |
| 21 | Evelyn M Temme | 30 | Wife | — | Kentucky |
| 22 | Lee Temme | 8 | Son | — | Kentucky |
| 23 | Nelson M Temme | 5 | Son | — | Kentucky |
| 24 | Lois M Temme | 3 | Daughter | — | Kentucky |
| 25 | Doris J Temme | 1 | Daughter | — | Kentucky |
| 26 | Dan Snyder | 46 | Head | Truck Driver | Kentucky |
| 27 | Ina Snyder | 50 | Wife | — | Kentucky |
| 28 | Gerard Vogel | 33 | Boarder | Truck Driver | Kentucky |
| 29 | Elmer Taylor | 46 | Boarder | — | North Carolina |
| 30 | Chris S Salsch | 42 | Head | Carpenter | Kentucky |
| 31 | Edith Salsch | 36 | Wife | — | Kentucky |
| 32 | Mildred Salsch | 14 | Daughter | — | Kentucky |
| 33 | Paul F Salsch | 5 | Son | — | Kentucky |
| 34 | Warren L Salsch | 1 | Son | — | Kentucky |
| 35 | Harry W Cramer | 44 | Head | Mail Carrier | Kentucky |
| 36 | Louise M Cramer | 33 | Wife | — | Kentucky |
| 37 | J H Cramer | 22 | Son | Attendant | Kentucky |
| 38 | Bernard R Cramer | 21 | Son | Laborer | Kentucky |
| 39 | Edna M Cramer | 20 | Daughter | — | Kentucky |
| 40 | Naomi P Cramer | 19 | Daughter | — | Kentucky |
| 41 | John H Cramer THIS PERSON | 16 | Son | — | Kentucky |
| 42 | H W Booth | 38 | Head | Merchant | Kentucky |
| 43 | Mary B Booth | 38 | Wife | — | Kentucky |
| 44 | Dorothy J Booth | 13 | Daughter | — | Kentucky |
| 45 | Marian R Booth | 11 | Daughter | — | Kentucky |
| 46 | Harry Jr Booth | 10 | Son | — | Canada |
| 47 | Charles Link | 63 | Boarder | — | Kentucky |
| 48 | Chas V Link | 37 | Boarder | — | Kentucky |
| 49 | Henry Stone | 36 | Head | Ground Man | Indiana |
| 50 | Minnie Stone | 36 | Wife | — | 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)