MC
Margaret Cooper — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this Margaret Cooper across the 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a spouse (b.~1903), then head of a 11-person household.
Age 37
b. ~1903
Female
Spouse
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Cooper |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | City of Detroit |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 1|H 1 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | City Of Detroit |
| Est. Birth Year | ~1903 |
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 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Wada Cooper | Daughter | — | 8 | ~1932 |
| William Cooper | Son | — | 10 | ~1930 |
| Joseph Cooper | Head | — | 37 | ~1903 |
| Peggy Cooper | Daughter | — | 16 | ~1924 |
| Michael Cooper | Son | — | 11 | ~1929 |
| Margaret Cooper | Spouse | — | 37 | ~1903 |
| Marlene Cooper | Daughter | — | 2 | ~1938 |
| Patricia Cooper | Daughter | — | 13 | ~1927 |
| Jerry Cooper | Son | — | 1 | ~1939 |
| John Cooper | Son | — | 19 | ~1921 |
| Robert Cooper | Son | — | 7 | ~1933 |
Census Appearances
1930
Wayne, Michigan
Spouse, age 27
Wayne, Michigan · implied b. ~1903 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 17 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Wayne-County, Michigan
Spouse, age 37
Wayne-County, Michigan · implied b. ~1903 — 11 household members
| Surname | Cooper |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | City of Detroit |
| 1935 Residence (County) | Wayne |
| Income (1939) | 0 |
| Highest Grade | Hs 1|H 1 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Margaret Cooper across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Margaret Cooper
Spouse · 1940 · age 37 · b. ~1903 · 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 — Wayne-County, Michigan
Open full size
1940 US Federal Census — Wayne-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01856-00198)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Wayne Stewart | 63 | Lodger | — | Michigan |
| 42 | Arthur Rundel | 35 | Head | Driver Carrier | New York |
| 43 | Lucille Rundel | 34 | Wife | — | Michigan |
| 44 | William Rundel | 17 | Son | Salesman | Michigan |
| 45 | Carl Rundel | 16 | Son | — | Michigan |
| 46 | Lois Rundel | 12 | Daughter | — | Michigan |
| 47 | Jean Rundel | 9 | Daughter | — | Michigan |
| 48 | Marion Rundel | 5 | Daughter | — | Michigan |
| 49 | Elizabeth Hanley | 39 | Head | — | Indiana |
| 50 | Theodore Hanley | 1 | Son | — | Michigan |
| 51 | Wilton Lane | 34 | Head | Salesman | Michigan |
| 52 | Emily J. Lane | 33 | Wife | — | Michigan |
| 53 | Jacqueline Lane | 12 | Daughter | — | Michigan |
| 54 | Mary Ellen Lane | 11 | Daughter | — | Michigan |
| 55 | Joan C. Lane | 9 | Daughter | — | Michigan |
| 56 | Wilton Jr. Lane | 5 | Son | — | Michigan |
| 57 | Robert Barnes | 38 | Head | Deliveryman | Michigan |
| 58 | Marcella Barnes | 29 | Wife | — | Austria |
| 59 | Ann Barnes | 10 | Daughter | — | Michigan |
| 60 | Mary Ellen Barnes | 7 | Daughter | — | Michigan |
| 61 | Robert Jr. Barnes | 5 | Son | — | Michigan |
| 62 | Emily Jane Barnes | 1 | Daughter | — | Michigan |
| 63 | George Morton | 55 | Head | Polisher | Missouri |
| 64 | Helen Morton | 20 | Wife | — | Michigan |
| 65 | John W. Sanford | 30 | Head | Machinist | Mississippi |
| 66 | Blanche Sanford | 25 | Wife | — | Mississippi |
| 67 | Dorothy Sanford | 1 | Daughter | — | Michigan |
| 68 | Brooks Murphy | 36 | Brother | Butcher | Mississippi |
| 69 | Joseph Cooper | 37 | Head | Laborer | Indiana |
| 70 | Margaret Cooper THIS PERSON | 37 | Wife | — | Indiana |
| 71 | John Cooper | 19 | Son | Jumper | Indiana |
| 72 | Peggy Cooper | 16 | Daughter | New Worker | Indiana |
| 73 | Patricia Cooper | 13 | Daughter | — | Indiana |
| 74 | Michael Cooper | 11 | Son | — | Michigan |
| 75 | William Cooper | 10 | Son | — | Michigan |
| 76 | Wada Cooper | 8 | Daughter | — | Michigan |
| 77 | Robert Cooper | 7 | Son | — | Michigan |
| 78 | Marlene Cooper | 2 | Daughter | — | Michigan |
| 79 | Jerry Cooper | 1 | Son | — | Michigan |
| 80 | John M. Cooper | 75 | Head | Painter | 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)