MK
Mary Kramer — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Wayne, Michigan
Our Model Tree links this Mary Kramer across the 1930 and 1940 US Censuses in Wayne, Michigan (XGBoost, ~Confirmed) — first a spouse (b.~1887), then head of a 11-person household.
Age 43
b. ~1887
Female
Spouse
Born: Michigan
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Wayne, Michigan |
| Surname | Kramer |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 22 |
| Father's Birthplace | Germany French |
| Mother's Birthplace | Germany French |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1887 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Marion Kramer | Daughter | — | 15 | ~1915 |
| Joseph Kramer | Son | — | 17 | ~1913 |
| Clara Kramer | Daughter | — | 18 | ~1912 |
| Francis Kramer | Son | — | 20 | ~1910 |
| Mary Kramer | Spouse | — | 43 | ~1887 |
| Rita Kramer | Daughter | — | 9 | ~1921 |
| Bernard Kramer | Son | — | ~1930 | |
| Anna Kramer | Daughter | — | 4 | ~1926 |
| Clements Kramer | Son | — | 2 | ~1928 |
| Joseph Kramer | Head | — | 42 | ~1888 |
| Elsa Kramer | Daughter | — | 13 | ~1917 |
Census Appearances
1930
Wayne, Michigan
Spouse, age 43
Wayne, Michigan · implied b. ~1887 — 11 household members
| Surname | Kramer |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 22 |
| Father's Birthplace | Germany French |
| Mother's Birthplace | Germany French |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Other, age 53
Wayne-County, Michigan · implied b. ~1887 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cramer |
| Given Name | Mary |
| Relationship to Head | Sister in law |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | City of Detroit |
| 1935 Residence (County) | Wayne |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Kramer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Kramer
Spouse · 1930 · age 43 · b. ~1887 · Michigan
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Wayne, Michigan
Open full size
1930 US Federal Census — Wayne, Michigan
Page Contents
50 people indexed on this census page (ia:1930:michigancensus00reel1056:0481)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Kleba | 66 | Head | — | Germany |
| 2 | Clara Kleba | 43 | Daughter | — | Michigan |
| 3 | Alice Kleba | 34 | Daughter | — | Michigan |
| 4 | Albert Kleba | 26 | Son | Trimmer | Michigan |
| 5 | Simon La Magra | 39 | Head | Barber | Italy |
| 6 | Angeline La Magra | 34 | Wife | — | Italy |
| 7 | Anthony La Magra | 17 | Son | — | Michigan |
| 8 | Mary La Magra | 13 | Daughter | — | Michigan |
| 9 | Mamie La Magra | 12 | Daughter | — | Michigan |
| 10 | Rita La Magra | 3 | Daughter | — | Michigan |
| 11 | Teresa La Magra | 1 | Daughter | — | Michigan |
| 12 | Joseph Kramer | 42 | Head | Machinist | Germany |
| 13 | Mary Kramer THIS PERSON | 43 | Wife | — | Michigan |
| 14 | Francis Kramer | 20 | Son | — | Michigan |
| 15 | Clara Kramer | 18 | Daughter | — | Michigan |
| 16 | Joseph Kramer | 17 | Son | — | Michigan |
| 17 | Marion Kramer | 15 | Daughter | — | Michigan |
| 18 | Elsa Kramer | 13 | Daughter | — | Michigan |
| 19 | Rita Kramer | 9 | Daughter | — | Michigan |
| 20 | Anna Kramer | 4 | Daughter | — | Michigan |
| 21 | Clements Kramer | 2 | Son | — | Michigan |
| 22 | Bernard Kramer | 0 | Son | — | Michigan |
| 23 | Barbara Blum | 64 | Head | — | Germany |
| 24 | Harold Blum | 31 | Son | Machinist | Michigan |
| 25 | Myrtle Blum | 30 | Daughter | General Clerk | Michigan |
| 26 | Alice Blum | 28 | Daughter | Typist | Michigan |
| 27 | Irwin Blum | 25 | Son | Auditor | Michigan |
| 28 | Hazel Blum | 22 | Daughter | Bookkeeper | Michigan |
| 29 | Theodore Laderoot | 63 | Head | Carpenter | Michigan |
| 30 | Clara Laderoot | 62 | Wife | — | Michigan |
| 31 | Ray Meldrum | 4 | Grand Nephew | — | Michigan |
| 32 | Rose Meldrum | 64 | Head | — | Michigan |
| 33 | Anthony J. Thaver | 42 | Head | Commercial Sales | Michigan |
| 34 | Ella M. Thaver | 35 | Wife | — | Canada English |
| 35 | William A. Thaver | 7 | Son | — | Michigan |
| 36 | Marion Thaver | 4 | Daughter | — | Michigan |
| 37 | George E. Suter | 57 | Head | Purchasing Agent | Canada English |
| 38 | Lillian Suter | 54 | Wife | — | Massachusetts |
| 39 | Blanche Suter | 27 | Daughter | Comptometer Oper. | Massachusetts |
| 40 | Isabell Suter | 24 | Daughter | Stenographer | Massachusetts |
| 41 | Joseph Waters | 39 | Head | Sales Manager | Missouri |
| 42 | Lillian Waters | 30 | Wife | — | Michigan |
| 43 | Dorothy Waters | 8 | Daughter | — | Michigan |
| 44 | Anton Arntzen | 30 | Head | Die Maker | Germany Westphalia |
| 45 | Korubene Arntzen | 26 | Wife | — | Germany Westphalia |
| 46 | Louis Kunta | 62 | Head | Florist | Michigan |
| 47 | Theresa Kunta | 57 | Wife | — | Michigan |
| 48 | John Kunta | 30 | Son | Mechanical Engineer | Michigan |
| 49 | Margaret Kunta | 28 | Daughter | Bookkeeper | Michigan |
| 50 | Howard Kunta | 29 | Lodger | Pharmacist | Michigan |
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)