MK
Mary Kramer — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Genesee, Michigan
Our Model Tree links this Mary Kramer across the 1920, 1930 and 1940 US Censuses in Genesee, Michigan (XGBoost, ~Confirmed) — first a head (b.~1867), then head of a 5-person household.
Age 63
b. ~1867
Female
Head
Born: Germany
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Genesee, Michigan |
| Surname | Kramer |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Widowed |
| Birthplace | Germany |
| Naturalization Status | Naturalized |
| Year of Immigration | 1871 |
| Age at First Marriage | 19 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Home Owned/Rented | O |
| Home Value / Rent | 5500 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
| Township / Ward | Flint City |
| Est. Birth Year | ~1867 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Donald Kramer | Son | — | 5 | ~1925 |
| John Kramer | Son | — | 36 | ~1894 |
| Harold Kramer | Other | — | 7 | ~1923 |
| Mary Kramer | Head | — | 63 | ~1867 |
| Mayme Kramer | Daughter | — | 25 | ~1905 |
Census Appearances
Spouse, age 52
Genesee, Michigan · implied b. ~1868 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cramer |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Germany |
| Year of Immigration | 1871 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth Country | Germany |
| Year of Naturalization | 1880 |
| Birthplace (normalized) | germany |
1930
Genesee, Michigan
Head, age 63
Genesee, Michigan · implied b. ~1867 — 5 household members
| Surname | Kramer |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Widowed |
| Birthplace | Germany |
| Naturalization Status | Naturalized |
| Year of Immigration | 1871 |
| Age at First Marriage | 19 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Home Owned/Rented | O |
| Home Value / Rent | 5500 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1940
Genesee-County, Michigan
Other, age 73
Genesee-County, Michigan · implied b. ~1867 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kramer |
| Given Name | Mary |
| Relationship to Head | Mother |
| Sex | F |
| Color / Race | White |
| Age | 73 |
| Marital Status | Widowed |
| Birthplace | Germany |
| 1935 Residence (City) | Flint |
| 1935 Residence (County) | Genesee |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Highest Grade | 4 |
| 1935 Residence | Same house |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Kramer
Head · 1930 · age 63 · b. ~1867 · 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 — Genesee, Michigan
Open full size
1930 US Federal Census — Genesee, Michigan
Page Contents
50 people indexed on this census page (ia:1930:michigancensus00reel987:0144)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Harold Williams | 12 | Son | — | Michigan |
| 52 | Mary Kramer THIS PERSON | 63 | Head | — | Germany |
| 53 | John Lee Kramer | 36 | Son | Mechanic | Michigan |
| 54 | Mayme Kramer | 25 | Daughter | — | Michigan |
| 55 | Donald Kramer | 5 | Son | — | Michigan |
| 56 | Harold Kramer | 7 | Grandson | — | Michigan |
| 57 | John W. Jefferies | 52 | Head | Mason | Kentucky |
| 58 | Lula Jefferies | 45 | Wife | Janitress | Indiana |
| 59 | Roy Jefferies | 22 | Son | Porter | Indiana |
| 60 | Ollie Quarles | 27 | Son-in-law | Service Roller | Kentucky |
| 61 | Irene Quarles | 20 | Daughter | — | Indiana |
| 62 | Margaret Jefferies | 18 | Daughter | — | Indiana |
| 63 | Thelma Jefferies | 15 | Daughter | — | Indiana |
| 64 | Vivian Jefferies | 13 | Daughter | — | Indiana |
| 65 | Doris Jefferies | 9 | Daughter | — | Indiana |
| 66 | Opal Jefferies | 6 | Daughter | — | Indiana |
| 67 | Mary Bell Jefferies | 4 | Daughter | — | Michigan |
| 68 | Janette Jefferies | 2 | Daughter | — | Michigan |
| 69 | Belle G. Macclary | 72 | Head | Dressmaker | Canada-French |
| 70 | Sarah M. Macclary | 70 | Sister | Dressmaker | Canada-French |
| 71 | Joseph Harris | 45 | Head | Proprietor | Virginia |
| 72 | Ethel Harris | 44 | Wife | — | Indiana |
| 73 | Marcelus Robbs | 20 | Lodger | — | Illinois |
| 74 | Rudolph Mitchell | 27 | Lodger | Finisher | Illinois |
| 75 | James Gilbert | 33 | Head | Janitor | Alabama |
| 76 | Jennie Gilbert | 30 | Wife | — | Tennessee |
| 77 | Aaron Lester Gilbert | 14 | Son | — | Tennessee |
| 78 | Paddy Herring | 27 | Lodger | Cook | Maryland |
| 79 | Pete Jacquella | 38 | Lodger | Cook | Jamaica |
| 80 | Abe Myers | 39 | Head | Manager | New York |
| 81 | Nellie Myers | 35 | Wife | — | District of Columbia |
| 82 | Frank Owens | 39 | Lodger | Porter | Louisiana |
| 83 | Norman Duckett | 42 | Lodger | Porter | District of Columbia |
| 84 | Harper Rivers | 44 | Head | Fireman | Georgia |
| 85 | Lula Rivers | 31 | Wife | — | Georgia |
| 86 | Charles Rivers | 13 | Son | — | Georgia |
| 87 | Richard Rivers | 3 | Grandson | — | Ohio |
| 88 | Lena Gilder | 24 | Daughter | Servant | Georgia |
| 89 | Bernice Gilder | 7 | Granddaughter | — | Ohio |
| 90 | Jewell Gilder | 6 | Grandson | — | Ohio |
| 91 | William Willis | 47 | Head | Mechanic | Ohio |
| 92 | Ida M. Willis | 42 | Wife | — | Ohio |
| 93 | James M. Willis | 14 | Son | — | Michigan |
| 94 | Robert W. Willis | 13 | Son | — | Michigan |
| 95 | Alfred A. Willis | 7 | Son | — | Michigan |
| 96 | David Robertson | 35 | Head | Foreman | Mississippi |
| 97 | Lidya E. Robertson | 29 | Wife | — | Michigan |
| 98 | William Buckner | 26 | Brother-in-law | Trucker | Kansas |
| 99 | Ruth Buckner | 19 | Sister-in-law | — | Michigan |
| 100 | Gwenola Smith | 32 | Head | — | 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)