MC
Mary Cook — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cass, Missouri
Our Model Tree links this Mary Cook across the 1910, 1920 and 1930 US Censuses in Cass, Missouri (XGBoost, ~Confirmed), with identified parents Thomas & Gertrude — first a daughter (b.~1908), then head of a 5-person household.
Age 22
b. ~1908
Female
Daughter
Born: Missouri
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cass, Missouri |
| Surname | Cook |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Additional Details | |
| Occupation | Cook |
| Industry | Private family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Cook |
| Township / Ward | Big Creek Township |
| Est. Birth Year | ~1908 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Effie Cook | Daughter | — | 13 | ~1917 |
| Mary Cook | Daughter | — | 22 | ~1908 |
| Beatrice Cook | Daughter | — | 16 | ~1914 |
| Thomas Cook | Head | — | 51 | ~1879 |
| Cornelia Cook | Spouse | — | 48 | ~1882 |
Census Appearances
1910
Cass, Missouri
Daughter, age 3
Cass, Missouri · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1920
Cass, Missouri
Daughter, age 13
Cass, Missouri · implied b. ~1907 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read | No |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Cass, Missouri
Daughter, age 22
Cass, Missouri · implied b. ~1908 — 5 household members
| Surname | Cook |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Cook |
| Industry | Private family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Cook across 3 US Census years (1910, 1920 and 1930) in Cass, Missouri, using XGBoost record linkage. Identified parents: father Thomas Cook (~0.92 confidence) and mother Gertrude Cook (~0.92 confidence) and mother Cornelia Cook (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Cook
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Gertrude Cook
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Cornelia Cook
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Cook
Daughter · 1930 · age 22 · b. ~1908 · Missouri
★ You are viewing this record
Sibling
Beatrice Cook
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Effie Cook
Sibling · 1930 · age 13
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 — Cass, Missouri
Open full size
1930 US Federal Census — Cass, Missouri
Page Contents
50 people indexed on this census page (ia:1930:missouricensus00reel1181:0755)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James E Yadon | 57 | Head | — | Tennessee |
| 2 | Mary Yadon | 60 | Wife | Farmer | Tennessee |
| 3 | David A Yadon | 24 | Son | — | Tennessee |
| 4 | Henry C Blazer | 56 | Head | Laborer | Missouri |
| 5 | Maud A Blazer | 49 | Wife | Farmer | Missouri |
| 6 | Velma Blazer | 23 | Daughter | — | Missouri |
| 7 | Erma F Blazer | 16 | Daughter | — | Missouri |
| 8 | Henry C Jr Blazer | 9 | Son | — | Missouri |
| 9 | John F Blazer | 55 | Brother | — | Missouri |
| 10 | Harris Hon | 34 | Head | Laborer | Missouri |
| 11 | Ella F Hon | 20 | Wife | Farmer | Missouri |
| 12 | Alice N Hon | 2 | Daughter | — | Missouri |
| 13 | William H Hon | 1 | Son | — | Missouri |
| 14 | Marion L Hon | 0 | Daughter | — | Missouri |
| 15 | Joe C Ware | 37 | Head | — | Missouri |
| 16 | Alma Ware | 36 | Wife | Engineer | Missouri |
| 17 | Maudeline Ware | 11 | Daughter | — | Missouri |
| 18 | Robert D Ware | 9 | Son | — | Missouri |
| 19 | Willis D Ware | 5 | Son | — | Missouri |
| 20 | Kenneth R Ware | 3 | Son | — | Missouri |
| 21 | Frank Smith | 52 | Hired man | — | Mississippi |
| 22 | John A Gray | 68 | Head | Laborer | Kentucky |
| 23 | Lillie B Gray | 59 | Wife | Farmer | Missouri |
| 24 | Simon A Gray | 31 | Son | — | Missouri |
| 25 | Virginia M Gray | 29 | Daughter | Farmer | Missouri |
| 26 | Sylvanus S Gray | 25 | Son | Teacher | Missouri |
| 27 | William D Gray | 21 | Son | Laborer | Missouri |
| 28 | Harley W Gray | 19 | Son | Laborer | Missouri |
| 29 | Homer O Gray | 17 | Son | — | Missouri |
| 30 | John H Snyder | 29 | Son in law | — | New York |
| 31 | Minnie L Snyder | 23 | Daughter | Driller | Missouri |
| 32 | Richard D Thompson | 33 | Head | — | Missouri |
| 33 | Helen B Thompson | 27 | Wife | Farmer | Iowa |
| 34 | Flora L Thompson | 8 | Daughter | — | Missouri |
| 35 | Joseph R Thompson | 4 | Son | — | Missouri |
| 36 | Budde E Thompson | 1 | Daughter | — | Missouri |
| 37 | Charles W Thompson | 19 | Nephew | — | Missouri |
| 38 | Alexander Small | 63 | Head | Laborer | Kansas |
| 39 | Nannie C Small | 60 | Wife | Farmer | Missouri |
| 40 | Lillie T Small | 23 | Daughter | — | Missouri |
| 41 | Vinnie J Small | 20 | Daughter | — | Missouri |
| 42 | Johnnie J Small | 17 | Son | — | Missouri |
| 43 | Alexander J Small | 28 | Son | — | Missouri |
| 44 | Donetha Small | 17 | Daughter in law | Farmer | Missouri |
| 45 | Charles A Registry | 45 | Hired man | — | Missouri |
| 46 | Thomas S Cook | 51 | Head | Laborer | Missouri |
| 47 | Cornelia Cook | 48 | Wife | Farmer | Missouri |
| 48 | Mary E Cook THIS PERSON | 22 | Daughter | Cook | Missouri |
| 49 | Beatrice Cook | 16 | Daughter | Housekeeper | Missouri |
| 50 | Effie Cook | 13 | Daughter | Housekeeper | Missouri |
Related Census Records
Pedigree Summary
Mary + 2 siblings
Gen 1 · 3 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)