MK
Mary Keller — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Macomb-County, Michigan
Our Model Tree links this Mary Keller across the 1930 and 1940 US Censuses in Macomb-County, Michigan (XGBoost, ~Confirmed) — first a spouse (b.~1906), then head of a 7-person household.
Age 34
b. ~1906
Female
Spouse
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Macomb-County, Michigan |
| Surname | Keller |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Roseville Village |
| 1935 Residence (County) | Macomb |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Township / Ward | Roseville Village |
| Est. Birth Year | ~1906 |
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 |
|---|---|---|---|---|
| Carolene Keller | Daughter | — | 9 | ~1931 |
| Mary Keller | Daughter | — | 12 | ~1928 |
| Patricia Keller | Daughter | — | 16 | ~1924 |
| Constance Keller | Daughter | — | 5 | ~1935 |
| Sidney Keller | Head | — | 37 | ~1903 |
| Sidney Keller | Son | — | 14 | ~1926 |
| Mary Keller | Spouse | — | 34 | ~1906 |
Census Appearances
1930
Macomb, Michigan
Other, age 24
Macomb, Michigan · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Keller |
| Given Name | Mary |
| Relationship to Head | Wife H |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1912 |
| Age at First Marriage | 17 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | Scotch |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Macomb-County, Michigan
Spouse, age 34
Macomb-County, Michigan · implied b. ~1906 — 7 household members
| Surname | Keller |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Roseville Village |
| 1935 Residence (County) | Macomb |
| Naturalization Status | Naturalized |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Keller across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Keller
Spouse · 1940 · age 34 · b. ~1906 · Michigan
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Macomb-County, Michigan
Open full size
1940 US Federal Census — Macomb-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01782-00850)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Paul Judd | 5 | Head | — | Michigan |
| 42 | Paulina Judd | 5 | Daughter | — | Michigan |
| 43 | Sidney Crabtree | 30 | Boarder | Assembler | Tennessee |
| 44 | Roach Hammett | 32 | Boarder | Truck Driver | West Virginia |
| 45 | Burr Mc Donald | 18 | Boarder | Checker | Tennessee |
| 46 | Gerald Crabtree | 17 | Boarder | Assembler | Tennessee |
| 47 | Aredna Crabtree | 20 | Boarder | — | Tennessee |
| 48 | Martin Tropp | 35 | Head | Roof Siding | Germany |
| 49 | Anna B. Tropp | 35 | Wife | — | Austria |
| 50 | Helen Tropp | 12 | Daughter | — | Pennsylvania |
| 51 | Martin Jr. Tropp | 10 | Son | — | Michigan |
| 52 | Carl Tropp | 7 | Son | — | Michigan |
| 53 | Philis Tropp | 2 | Daughter | — | Michigan |
| 54 | Martin Schuchardt | 40 | Head | Metal Finisher | Germany |
| 55 | Martha A. Schuchardt | 33 | Wife | — | Germany |
| 56 | Doris Mae Schuchardt | 11 | Daughter | — | Michigan |
| 57 | Elay Schuchardt | 8 | Daughter | — | Michigan |
| 58 | Betty Jane Schuchardt | 2 | Daughter | — | Michigan |
| 59 | George B. Shabaugh | 39 | Head | Payroll Supervisor | Pennsylvania |
| 60 | Mae Shabaugh | 40 | Wife | — | Ohio |
| 61 | George D. Jr. Shabaugh | 21 | Son | Checker | Ohio |
| 62 | Paul Shabaugh | 11 | Son | — | Ohio |
| 63 | Hilda Shabaugh | 10 | Daughter | — | Ohio |
| 64 | Clara Mae Shabaugh | 2 | Daughter | — | Michigan |
| 65 | Hughie Mc Cready | 46 | Head | Machinist | Michigan |
| 66 | Edna R. Mc Cready | 40 | Wife | — | Michigan |
| 67 | Josha Mc Cready | 79 | Head | — | Germany |
| 68 | Ernest Conidu | 43 | Head | Assembler | Illinois |
| 69 | Blanche Conidu | 37 | Wife | — | Illinois |
| 70 | Ernest Jr. Conidu | 19 | Son | — | Illinois |
| 71 | Gordon Conidu | 17 | Son | — | Illinois |
| 72 | Gwendolene Conidu | 14 | Daughter | — | Illinois |
| 73 | Keith Conidu | 2 | Son | — | Michigan |
| 74 | Sidney Sr. Keller | 37 | Head | Chief Serviceman | Michigan |
| 75 | Mary Keller THIS PERSON | 34 | Wife | — | Scotland |
| 76 | Patricia Keller | 16 | Daughter | — | Michigan |
| 77 | Sidney Jr. Keller | 14 | Son | — | Michigan |
| 78 | Mary Elizabeth Keller | 12 | Daughter | — | Michigan |
| 79 | Carolene Keller | 9 | Daughter | — | Michigan |
| 80 | Constance Keller | 5 | Daughter | — | Michigan |
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)