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Grace Parker — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Washtenaw-County, Michigan
Our Model Tree links this Grace Parker across the 1930 and 1940 US Censuses in Washtenaw-County, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1920), then head of a 8-person household.
Age 20
b. ~1920
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Washtenaw-County, Michigan |
| Surname | Parker |
| Given Name | Grace Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Scio Township |
| 1935 Residence (County) | Washtenaw |
| Additional Details | |
| Occupation | Clerk |
| Industry | Drugs |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 220 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Clerk |
| Township / Ward | Scio Township |
| Est. Birth Year | ~1920 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Grace | Age | Birth yr |
|---|---|---|---|---|
| Evelyn Parker | Daughter | — | 6 | ~1934 |
| Stanley Parker | Son | — | 1 | ~1939 |
| Lois Parker | Daughter | — | 17 | ~1923 |
| Irene Parker | Daughter | — | 18 | ~1922 |
| Marjorie Parker | Spouse | — | 44 | ~1896 |
| Homer Parker | Head | — | 51 | ~1889 |
| Shirley Parker | Daughter | — | 4 | ~1936 |
| Grace Parker | Daughter | — | 20 | ~1920 |
Census Appearances
1930
Washtenaw, Michigan
Daughter, age 10
Washtenaw, Michigan · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parker |
| Given Name | Grace M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | New York |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Washtenaw-County, Michigan
Daughter, age 20
Washtenaw-County, Michigan · implied b. ~1920 — 8 household members
| Surname | Parker |
| Given Name | Grace Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Scio Township |
| 1935 Residence (County) | Washtenaw |
| Occupation | Clerk |
| Industry | Drugs |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 220 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| 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 Grace Parker across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Grace Parker
Daughter · 1940 · age 20 · b. ~1920 · Michigan
★ You are viewing this record
Sibling
Irene Parker
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Parker
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stanley Parker
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lois Parker
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evelyn Parker
Sibling · 1940 · age 6
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 — Washtenaw-County, Michigan
Open full size
1940 US Federal Census — Washtenaw-County, Michigan
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-01824-00378)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Gaston | None | — | — | — |
| 42 | Jacob Schairer | 78 | Head | Farmer | Michigan |
| 43 | Elizabeth Schairer | 72 | Wife | — | Michigan |
| 44 | Amalia Schairer | 66 | Sister-in-law | — | Michigan |
| 45 | Charles Buta | 52 | Head | Farmer | Romania |
| 46 | Margaret Buta | 47 | Wife | Translator | France |
| 47 | Stella Buta | 18 | Niece | — | Ohio |
| 48 | Peter Opiet | 50 | Hired man | Farm Laborer | Russia |
| 49 | Herbert Schairer | 43 | Head | Farmer | Michigan |
| 50 | Mary Schairer | 37 | Wife | — | Michigan |
| 51 | Dale Schairer | 10 | Son | — | Michigan |
| 52 | Dean Schairer | 8 | Son | — | Michigan |
| 53 | Paul Schairer | 5 | Son | — | Michigan |
| 54 | Homer R. Parker | 51 | Head | Farmer | Michigan |
| 55 | Marjorie R. Parker | 44 | Wife | — | New York |
| 56 | Grace Marie Parker THIS PERSON | 20 | Daughter | Clerk | Michigan |
| 57 | Irene Parker | 18 | Daughter | Beautician | Michigan |
| 58 | Lois Parker | 17 | Daughter | — | Michigan |
| 59 | Evelyn Parker | 6 | Daughter | — | Michigan |
| 60 | Shirley Parker | 4 | Daughter | — | Michigan |
| 61 | Stanley Parker | 1 | Son | — | Michigan |
| 62 | Eugene K. Braden | 60 | Head | Farmer | Michigan |
| 63 | Effie Braden | 54 | Wife | Farmer | Michigan |
| 64 | Barbara Schneider | 74 | Head | — | Michigan |
| 65 | Frederick Schneider | 32 | Son | Truck Driver | Michigan |
| 66 | Pauline Schneider | 30 | Daughter-in-law | Housework | Germany |
| 67 | Donald Schneider | 1 | Grandson | — | Michigan |
| 68 | Theophil Strieter | 52 | Head | Farmer | Michigan |
| 69 | Edra Strieter | 48 | Wife | — | Michigan |
| 70 | Nelson Strieter | 17 | Son | Farmer | Michigan |
| 71 | Arwin Strieter | 11 | Son | — | Michigan |
| 72 | Emanuel Strieter | 63 | Head | Farmer | Michigan |
| 73 | Amanda Strieter | 61 | Wife | — | Michigan |
| 74 | Lucinda Strieter | 18 | Daughter | — | Michigan |
| 75 | John Frey | 49 | Head | Farmer | Michigan |
| 76 | Elton Frey | 22 | Son | Farmer | Michigan |
| 77 | Luella Frey | 21 | Daughter | — | Michigan |
| 78 | Ralph Frey | 20 | Son | Farm Laborer | 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)