MC
Mary Cramer — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Racine, Wisconsin
Our Model Tree links this Mary Cramer across the 1930 and 1940 US Censuses in Racine, Wisconsin (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 7-person household.
Age 1
b. ~1929
Female
Daughter
Born: Wisconsin
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Racine, Wisconsin |
| Surname | Cramer |
| Given Name | Mary J |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Additional Details | |
| Occupation | none |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Township / Ward | Racine City |
| Est. Birth Year | ~1929 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Cramer | Daughter | — | 1 | ~1929 |
| Alment Cramer | Son | — | 3 | ~1927 |
| Robert Cramer | Son | — | 15 | ~1915 |
| Frank Cramer | Head | — | 40 | ~1890 |
| Eugene Cramer | Daughter | — | 5 | ~1925 |
| Frank Cramer | Son | — | 7 | ~1923 |
| Ottilia Cramer | Spouse | — | 37 | ~1893 |
Census Appearances
1930
Racine, Wisconsin
Daughter, age 1
Racine, Wisconsin · implied b. ~1929 — 7 household members
| Surname | Cramer |
| Given Name | Mary J |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Occupation | none |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
Daughter, age 12
Racine-County, Wisconsin · implied b. ~1928 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kramer |
| Given Name | Mary J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Racine |
| Highest Grade | G 5 |
| 1935 Residence | Wisconsin |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 Mary Cramer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Cramer
Daughter · 1930 · age 1 · b. ~1929 · Wisconsin
★ You are viewing this record
Sibling
Robert Cramer
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alment Cramer
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Cramer
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Cramer
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 — Racine, Wisconsin
Open full size
1930 US Federal Census — Racine, Wisconsin
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2607unit:0782)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Minnie Weins | 66 | Head | None | Wisconsin |
| 2 | Francis J Weins | 25 | son | Shipping Clerk | Wisconsin |
| 3 | Eugene H Weins | 23 | son | Radio Man | Wisconsin |
| 4 | Harvey M Lindstrom | 47 | Head | Inspector | Sweden |
| 5 | Mary A Lindstrom | 47 | wife | None | Wisconsin |
| 6 | Claretta Lindstrom | 18 | daughter | Laborer | Wisconsin |
| 7 | Henry Dunk | 48 | boarder | Radiator Man | Wisconsin |
| 8 | Kathryn Winkler | 76 | Head | None | Germany |
| 9 | Mamie Winkler | 46 | daughter | None | Ohio |
| 10 | Llewellyn James | 62 | Head | Lumber Merchant | Iowa |
| 11 | Mary L James | 64 | wife | None | Wisconsin |
| 12 | William Topolski | 62 | Head | Laborer | Poland |
| 13 | Josephine Topolski | 60 | wife | None | Poland |
| 14 | Anna R Topolski | 23 | daughter | Stitcher | Wisconsin |
| 15 | Helen J Topolski | 21 | daughter | Stitcher | Wisconsin |
| 16 | Walter R Topolski | 25 | son | Solderer | Wisconsin |
| 17 | Helga M Topolski | 26 | wife | None | Wisconsin |
| 18 | Joseph Ruemler | 63 | Head | Cementer | Czechoslovakia |
| 19 | Mary A Ruemler | 52 | wife | None | Czechoslovakia |
| 20 | Marie E Ruemler | 29 | daughter | None | Wisconsin |
| 21 | Anna M Ruemler | 27 | daughter | Accountant | Wisconsin |
| 22 | Francis H Ruemler | 27 | daughter | Clerk | Wisconsin |
| 23 | Robert E Ruemler | 21 | son | Wire Man | Wisconsin |
| 24 | Natalie T Ruemler | 18 | daughter | Clerk | Wisconsin |
| 25 | Catheryn J Ruemler | 16 | daughter | None | Wisconsin |
| 26 | Frank J Cramer | 40 | Head | Machinist | Wisconsin |
| 27 | Ottilia C Cramer | 37 | wife | None | Wisconsin |
| 28 | Robert J Cramer | 15 | son | None | Wisconsin |
| 29 | Frank R Cramer | 7 | son | None | Wisconsin |
| 30 | Eugene H Cramer | 5 | daughter | None | Wisconsin |
| 31 | Alment O Cramer | 3 | son | None | Wisconsin |
| 32 | Mary J Cramer THIS PERSON | 1 | daughter | None | Wisconsin |
| 33 | Agnes M Linden | 59 | Head | None | Wisconsin |
| 34 | Edward A Linden | 32 | son | Printer | Wisconsin |
| 35 | Herman J Linden | 24 | son | Assembler | Wisconsin |
| 36 | Herbert G Linden | 22 | son | Printer | Wisconsin |
| 37 | Rose G Linden | 19 | daughter | Boxing | Wisconsin |
| 38 | Robert H Linden | 17 | son | None | Wisconsin |
| 39 | Lucile H Linden | 14 | daughter | None | Wisconsin |
| 40 | Fred A Schneider | 32 | Head | Manager | Ohio |
| 41 | Adeline B Schneider | 30 | wife | None | Wisconsin |
| 42 | Hope M Schneider | 8 | daughter | None | Wisconsin |
| 43 | Barbara J Schneider | 1 | daughter | None | Wisconsin |
| 44 | Leroy Z Heso | 25 | Head | Electrician | Wisconsin |
| 45 | Alfreta Heso | 27 | wife | None | Wisconsin |
| 46 | Harvey A Hess | 27 | Head | Truck Driver | Wisconsin |
| 47 | Hess | 25 | wife | None | Colorado |
| 48 | Thad Hess | 54 | Head | None | Michigan |
| 49 | Frank J Hess | 23 | son | Truck Driver | Wisconsin |
| 50 | Emma Hess | 84 | mother | None | Germany |
Related Census Records
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)