DC
Dorothy Cook — 1930 US Census Record
Model Tree available1930 United States Federal Census · Hillsdale, Michigan
Our Model Tree links this Dorothy Cook across the 1910, 1920 and 1930 US Censuses in Hillsdale, Michigan (XGBoost, ~Confirmed), with identified parents Fred & Silas — first a daughter (b.~1909), then head of a 5-person household.
Age 21
b. ~1909
Female
Daughter
Born: Michigan
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Hillsdale, Michigan |
| Surname | Cook |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Additional Details | |
| Occupation | Teacher |
| Industry | Rural School |
| Class of Worker | 9494 |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Teacher |
| Township / Ward | Pittsford Township |
| Est. Birth Year | ~1909 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Kathryn Cook | Daughter | — | 20 | ~1910 |
| Dorothy Cook | Daughter | — | 21 | ~1909 |
| Agnes Cook | Daughter | — | 18 | ~1912 |
| Fred Cook | Head | — | 62 | ~1868 |
| Edith Cook | Other | — | 54 | ~1876 |
Census Appearances
1910
Hillsdale, Michigan
Daughter, age 1
Hillsdale, Michigan · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Dorothy L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1920
Hillsdale, Michigan
Daughter, age 11
Hillsdale, Michigan · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Dorothy L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Hillsdale, Michigan
Daughter, age 21
Hillsdale, Michigan · implied b. ~1909 — 5 household members
| Surname | Cook |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | Teacher |
| Industry | Rural School |
| Class of Worker | 9494 |
| Can Read/Write | Yes |
| 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 Dorothy Cook across 3 US Census years (1910, 1920 and 1930) in Hillsdale, Michigan, using XGBoost record linkage. Identified parents: father Fred Cook (~0.92 confidence) and father Silas Cook (~0.92 confidence) and mother Edith Cook (~0.92 confidence) and mother Edith Cook (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Fred Cook
b. ~1868
Source father
● Household
· direct · ~0.92
Father
Silas Cook
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Edith Cook
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Edith Cook
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Cook
Daughter · 1930 · age 21 · b. ~1909 · Michigan
★ You are viewing this record
Sibling
Kathryn Cook
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Cook
Sibling · 1930 · age 18
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
1930 US Federal Census — Hillsdale, Michigan
Open full size
1930 US Federal Census — Hillsdale, Michigan
Page Contents
50 people indexed on this census page (ia:1930:michigancensus00reel993:0402)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Blanchard Agusta Blanchard | 63 | Wife-H | — | Michigan |
| 2 | George Parks | 40 | Head | Farmer | Michigan |
| 3 | Gertrude Parks | 39 | Wife-H | — | Michigan |
| 4 | Gladys Parks | 18 | Daughter | — | Michigan |
| 5 | Hubert Parks | 17 | Son | Laborer | Michigan |
| 6 | Sam Cousino | 25 | Head | Farmer | Michigan |
| 7 | Ida Cousino | 23 | Wife-H | — | Michigan |
| 8 | Asa Musser | 47 | Head | Farmer | Ohio |
| 9 | Winifred Musser | 48 | Wife-H | — | Kansas |
| 10 | John Miller | 57 | Head | Farmer | Switzerland |
| 11 | Emma Miller | 46 | Wife-H | — | Michigan |
| 12 | Bezza Miller | 20 | Daughter | Stenographer | Michigan |
| 13 | David Rackham | 47 | Head | Farmer | Michigan |
| 14 | Daisy Rackham | 45 | Wife-H | — | Michigan |
| 15 | Cecil Rackham | 18 | Son | — | Michigan |
| 16 | Louise Rackham | 16 | Daughter | — | Michigan |
| 17 | Betty Rackham | 11 | Daughter | — | Michigan |
| 18 | Idesta Rackham | 10 | Daughter | — | Michigan |
| 19 | Elmer Scherer | 57 | Head | Farmer | Ohio |
| 20 | Mary Scherer | 52 | Wife-H | — | Michigan |
| 21 | Lothard Scherer | 33 | Son | Machinist | Michigan |
| 22 | Fred Cook | 62 | Head | Farmer | Michigan |
| 23 | Edith Cook | 54 | Wife-H | — | Michigan |
| 24 | Dorothy Cook THIS PERSON | 21 | Daughter | Teacher | Michigan |
| 25 | Kathryn Cook | 20 | Daughter | — | Michigan |
| 26 | Agnes Cook | 18 | Daughter | — | Michigan |
| 27 | Fred Sunderman | 35 | Head | Farmer | Indiana |
| 28 | Alice Sunderman | 13 | Daughter | — | Michigan |
| 29 | Doris Sunderman | 10 | Daughter | — | Michigan |
| 30 | Elsie Sunderman | 8 | Daughter | — | Michigan |
| 31 | James Lalonde | 58 | Head | Farmer | Michigan |
| 32 | Mary Lalonde | 53 | Wife-H | — | Michigan |
| 33 | Morton Monroe | 51 | Head | Farmer | Michigan |
| 34 | Mayle Monroe | 51 | Wife-H | — | Michigan |
| 35 | Gayle Monroe | 18 | Son | — | Indiana |
| 36 | Lois Monroe | 17 | Son | — | Indiana |
| 37 | Silas Harper | 60 | Head | — | Ohio |
| 38 | Gerald Harper | 24 | Son | Laborer | Ohio |
| 39 | George Francis | 37 | Head | Laborer | Ohio |
| 40 | Flora Francis | 39 | Wife-H | — | Michigan |
| 41 | Kenneth Francis | 11 | Son | — | Michigan |
| 42 | Betty Francis | 7 | Daughter | — | Michigan |
| 43 | Dorothy Francis | 5 | Daughter | — | Michigan |
| 44 | Nellie Francis | 3 | Son | — | Michigan |
| 45 | Philip Cousino | 66 | Head | Farmer | Canada |
| 46 | Susie Cousino | 60 | Wife-H | — | Michigan |
| 47 | Stephen Miller | 76 | Head | Farmer | Switzerland |
| 48 | Phoebe Miller | 72 | Wife-H | — | New York |
| 49 | Charles Paulson | 55 | Head | Barber | Ohio |
| 50 | Margaret Paulson | 54 | Wife-H | — | Indiana |
Pedigree Summary
Dorothy + 2 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)