HC
Helen Cooper — 1940 US Census Record
Model Tree available1940 United States Federal Census · Ingham-County, Michigan
Our Model Tree links this Helen Cooper across the 1920, 1930 and 1940 US Censuses in Ingham-County, Michigan (XGBoost, ~Confirmed), with identified parents Mabelen & Malcolm — first a daughter (b.~1915), then head of a 6-person household.
Age 25
b. ~1915
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ingham-County, Michigan |
| Surname | Cooper |
| Given Name | Helen A. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Lansing |
| 1935 Residence (County) | Ingham |
| Additional Details | |
| Occupation | Teacher |
| Industry | Schools |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 520 |
| Highest Grade | Hs 4 |
| 1935 Residence | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Teacher |
| Township / Ward | Lansing |
| Est. Birth Year | ~1915 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen Cooper | Daughter | — | 25 | ~1915 |
| Son Malcolm Jr | Other | — | — | |
| Daughter Mary-Ann | Other | — | — | |
| Teresa Cooper | Daughter | — | 29 | ~1911 |
| Etta Cooper | Spouse | — | 51 | ~1889 |
| Malcolm Cooper | Head | — | 57 | ~1883 |
Census Appearances
1920
Ingham, Michigan
Daughter, age 4
Ingham, Michigan · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Helen A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Ingham, Michigan
Daughter, age 14
Ingham, Michigan · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Helen A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Ingham-County, Michigan
Daughter, age 25
Ingham-County, Michigan · implied b. ~1915 — 6 household members
| Surname | Cooper |
| Given Name | Helen A. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Lansing |
| 1935 Residence (County) | Ingham |
| Occupation | Teacher |
| Industry | Schools |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 520 |
| Highest Grade | Hs 4 |
| 1935 Residence | Michigan |
| 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 Helen Cooper across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Mabelen Cooper (~0.92 confidence) and father Malcolm Cooper (~0.92 confidence) and father Malcolm Cooper (~0.92 confidence) and mother Ethel Cooper (~0.92 confidence) and mother Etta Cooper (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Mabelen Cooper
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Malcolm Cooper
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Malcolm Cooper
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Ethel Cooper
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Etta Cooper
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Cooper
Daughter · 1940 · age 25 · b. ~1915 · Michigan
★ You are viewing this record
Sibling
Teresa Cooper
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Ingham-County, Michigan
Open full size
1940 US Federal Census — Ingham-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01763-00208)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Carol L. Dyer | 5 | daughter | — | Michigan |
| 42 | Virginia L. Dyer | 1 | daughter | — | Michigan |
| 43 | James W. Dyer | 0 | son | — | Michigan |
| 44 | Edward F. Preston | 57 | Head | Car Washer | Michigan |
| 45 | Ella M. Preston | 53 | Wife | — | Michigan |
| 46 | Ilene F. Preston | 19 | daughter | — | Michigan |
| 47 | Robert E. Preston | 16 | son | — | Michigan |
| 48 | Thomas A. Pratt | 53 | Head | Regulator | Virginia |
| 49 | Pearl D. Pratt | 48 | Wife | Saleslady | Michigan |
| 50 | Florence E. Pratt | 25 | daughter | Clerk | Florida |
| 51 | James H. Pratt | 22 | son | Delivery | Michigan |
| 52 | Robert L. Pratt | 18 | son | — | Michigan |
| 53 | Margaret H. Ingersoll | 20 | daughter | — | Michigan |
| 54 | Richard L. Hammond | 15 | son | — | Michigan |
| 55 | Frank V. Stephenson | 43 | Head | Co Proprietor | Michigan |
| 56 | Ruby Stephenson | 46 | Wife | Co Proprietor | Illinois |
| 57 | Malcolm H. Cooper | 57 | Head | Contractor | Michigan |
| 58 | Etta B. Cooper | 51 | Wife | Seamstress | Michigan |
| 59 | Teresa O. Cooper | 29 | daughter | Secretary | Michigan |
| 60 | Helen A. Cooper THIS PERSON | 25 | daughter | Teacher | Michigan |
| 61 | Son Malcolm Jr. | None | M | — | — |
| 62 | Daughter Mary-Ann | None | F | — | — |
| 63 | Harold R. Hance | 40 | Head | Artist | Michigan |
| 64 | Joanna C. Hance | 37 | Wife | — | Illinois |
| 65 | Sally J. Hance | 2 | daughter | — | Michigan |
| 66 | Joseph A. Mcfadden | 49 | Head | Hammer Man | Michigan |
| 67 | Eva O. Mcfadden | 49 | Wife | — | Michigan |
| 68 | Alta L. Mcfadden | 20 | daughter | Waitress | Michigan |
| 69 | Richard J. Mcfadden | 14 | son | — | Michigan |
| 70 | Lester E. Mcfadden | 11 | son | — | Michigan |
| 71 | Joel D. Crissey | 27 | Head | Draftsman | Michigan |
| 72 | Mildred H. Crissey | 26 | Wife | — | Michigan |
| 73 | David J. Crissey | 6 | son | — | Michigan |
| 74 | Andrew J. Crissey | 3 | son | — | Michigan |
| 75 | Charles L. Crissey | 2 | son | — | Michigan |
| 76 | William E. Morgan | 57 | Head | Assembler | Michigan |
| 77 | Helen D. Morgan | 57 | Wife | Proprietor | Michigan |
| 78 | Henry Ferency | 37 | Lodger | Contractor | Michigan |
| 79 | James P. Clauch | 42 | Head | Policeman | Michigan |
| 80 | Beulah L. Clauch | 40 | Wife | — | Tennessee |
Pedigree Summary
Helen + 1 sibling
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)