MC
Mary Cramer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lenawee-County, Michigan
Our Model Tree links this Mary Cramer across the 1930 and 1940 US Censuses in Lenawee-County, Michigan (XGBoost, ~Confirmed) — first a spouse (b.~1892), then head of a 7-person household.
Age 48
b. ~1892
Female
Spouse
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lenawee-County, Michigan |
| Surname | Cramer |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Medina Twp. |
| 1935 Residence (County) | Lenawee |
| Additional Details | |
| Highest Grade | H-2 |
| 1935 Residence | Same House |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Medina Twp |
| Est. Birth Year | ~1892 |
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 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Ruby Cramer | Daughter | — | 15 | ~1925 |
| Carroll Cramer | Head | — | 52 | ~1888 |
| Lynn Cramer | Son | — | 11 | ~1929 |
| Emmett Cramer | Son | — | 12 | ~1928 |
| Norville Cramer | Son | — | 7 | ~1933 |
| Mary Cramer | Spouse | — | 48 | ~1892 |
| Nancy Cramer | Daughter | — | 4 | ~1936 |
Census Appearances
1930
Lenawee, Michigan
Other, age 37
Lenawee, Michigan · implied b. ~1893 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cramer |
| Given Name | Mary E. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 18 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Lenawee-County, Michigan
Spouse, age 48
Lenawee-County, Michigan · implied b. ~1892 — 7 household members
| Surname | Cramer |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Medina Twp. |
| 1935 Residence (County) | Lenawee |
| Highest Grade | H-2 |
| 1935 Residence | Same House |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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
Spouse · 1940 · age 48 · b. ~1892 · Michigan
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Lenawee-County, Michigan
Open full size
1940 US Federal Census — Lenawee-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01779-00202)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Alice Cisco | 31 | Wife | — | Michigan |
| 42 | Frances Cisco | 12 | Daughter | — | Michigan |
| 43 | James Cisco | 10 | Son | — | Michigan |
| 44 | John Jr. Cisco | 1 | Son | — | Michigan |
| 45 | Philip Smith | 27 | Nephew | Farming | Ohio |
| 46 | Carl Osborn | 57 | Head | Farming | Ohio |
| 47 | Suzan Osborn | 60 | Wife | — | Ohio |
| 48 | James Osborn | 20 | Son | Day Labor | Ohio |
| 49 | Doris Osborn | 19 | Wife | — | Ohio |
| 50 | Ruth Osborn | 2 | Daughter | — | Ohio |
| 51 | Doris Jean Osborn | 0 | Daughter | — | Michigan |
| 52 | Pierce Pierce | 25 | Son | Day Labor | Ohio |
| 53 | Evelyn Pierce | 21 | Wife | — | Michigan |
| 54 | Pierce Jr. Pierce | 1 | Grandson | — | Michigan |
| 55 | Lillian Pierce | 0 | Granddaughter | — | Michigan |
| 56 | Orville Riner | 53 | Head | Merchant | Indiana |
| 57 | Hazel Riner | 48 | Wife | — | Michigan |
| 58 | Clarence Riner | 17 | Son | — | Indiana |
| 59 | Wellington E. Cramer | 57 | Head | Farming | Michigan |
| 60 | Bessy Cramer | 52 | Wife | — | Michigan |
| 61 | Verl Cramer | 26 | Son | Waiter | Michigan |
| 62 | Clifford Schoonover | 35 | Head | Farming | Michigan |
| 63 | Evadnah Schoonover | 29 | Wife | — | Michigan |
| 64 | Marvin Schoonover | 8 | Son | — | Ohio |
| 65 | Melba Schoonover | 6 | Daughter | — | Ohio |
| 66 | Marvolene Schoonover | 4 | Daughter | — | Ohio |
| 67 | Meredith Schoonover | 1 | Daughter | — | Ohio |
| 68 | Audrey L. Smith | 55 | Head | Farming | Ohio |
| 69 | Esta Smith | 51 | Wife | — | Ohio |
| 70 | Star F. Clark Gallup | 49 | Head | Farming | Michigan |
| 71 | Arleen Gallup | 49 | Wife | — | Michigan |
| 72 | Carroll Cramer | 52 | Head | Farming | Michigan |
| 73 | Mary Cramer THIS PERSON | 48 | Wife | — | Ohio |
| 74 | Ruby Cramer | 15 | Daughter | — | Michigan |
| 75 | Emmett Cramer | 12 | Son | — | Michigan |
| 76 | Lynn W. Cramer | 11 | Son | — | Michigan |
| 77 | Norville Cramer | 7 | Son | — | Michigan |
| 78 | Nancy Cramer | 4 | Daughter | — | Michigan |
| 79 | Henriette Cramer | 85 | Head | — | Michigan |
| 80 | Perry Cisco | 79 | Head | — | Ohio |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)