MC
Mary Cochran — 1920 US Census Record
Model Tree available1920 United States Federal Census · Whitman, Washington
Our Model Tree links this Mary Cochran across the 1910, 1920 and 1930 US Censuses in Whitman, Washington (XGBoost, ~Confirmed), with identified parents George & Alice — first a daughter (b.~1907), then head of a 4-person household.
Age 13
b. ~1907
Female
Daughter
Born: Washington
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Whitman, Washington |
| Surname | Cochran |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Township / Ward | North Colfax |
| Est. Birth Year | ~1907 |
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.
4 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Cochran | Daughter | — | 13 | ~1907 |
| George Cochran | Head | — | 52 | ~1868 |
| John Cochran | Son | — | 17 | ~1903 |
| Lotta Cochran | Spouse | — | 44 | ~1876 |
Census Appearances
1910
Whitman, Washington
Daughter, age 3
Whitman, Washington · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cochran |
| Given Name | Mary L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1920
Whitman, Washington
Daughter, age 13
Whitman, Washington · implied b. ~1907 — 4 household members
| Surname | Cochran |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
Whitman, Washington
Daughter, age 23
Whitman, Washington · implied b. ~1907 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cochran |
| Given Name | Molly L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
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 Cochran across 3 US Census years (1910, 1920 and 1930) in Whitman, Washington, using XGBoost record linkage. Identified parents: father George Cochran (~0.92 confidence) and mother Alice Cochran (~0.92 confidence) and mother Lotta Cochran (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Cochran
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Alice Cochran
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Lotta Cochran
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Cochran
Daughter · 1920 · age 13 · b. ~1907 · Washington
★ You are viewing this record
Sibling
John Cochran
Sibling · 1920 · age 17
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
1920 US Federal Census — Whitman, Washington
Open full size
1920 US Federal Census — Whitman, Washington
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1944unit:0689)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George W Cochran | 52 | Head | Farmer | Tennessee |
| 2 | Lotta Cochran | 44 | Wife | — | Tennessee |
| 3 | John Cochran | 17 | Son | Laborer | Tennessee |
| 4 | Mary Cochran THIS PERSON | 13 | Daughter | — | Washington |
| 5 | George Artis | 66 | Head | Farmer | Wisconsin |
| 6 | Alice Artis | 58 | Wife | — | Ohio |
| 7 | Ada Artis | 21 | Daughter | Student | Wisconsin |
| 8 | E W Hickman | 62 | Head | Laborer | Tennessee |
| 9 | Mary Hickman | 65 | Wife | — | Virginia |
| 10 | Edward Hickman | 24 | Son | Laborer | Tennessee |
| 11 | Macie Hickman | 17 | Sons wife | — | Washington |
| 12 | U E Cronk | 69 | Head | — | Ohio |
| 13 | Ella Cronk | 77 | Wife | — | England |
| 14 | William Alexander | 55 | Head | Farmer | Missouri |
| 15 | Mary Alexander | 44 | Wife | — | Wisconsin |
| 16 | Edith Reichman | 23 | Daughter | Teacher | Nebraska |
| 17 | Frank W Daggett | 64 | Head | Laborer | New York |
| 18 | Y D Heaton | 79 | Head | Farmer | Maine |
| 19 | Lora Heaton | 73 | Wife | — | Maine |
| 20 | Wellington Guthrie | 4 | Grandson | — | Canada |
| 21 | E M Miller | 60 | Head | Farm | Tennessee |
| 22 | Sarah E Miller | 60 | Wife | — | Virginia |
| 23 | Minnie Mrs Miller | 29 | Head | Farmer | Tennessee |
| 24 | George Miller | 11 | Son | — | Tennessee |
| 25 | Arvil Miller | 7 | Son | — | Idaho |
| 26 | Eleana Miller | 4 | Son | — | Washington |
| 27 | Eleana Littleton | 62 | Father | Laborer | Tennessee |
| 28 | Nancy Littleton | 50 | Mother | — | Tennessee |
| 29 | Samuel Littleton | 19 | Brother | Laborer | Tennessee |
| 30 | A W Perry | 56 | Head | Farm | Wisconsin |
| 31 | Celia Perry | 47 | Wife | — | Wisconsin |
| 32 | Louis Perry | 20 | Son | Laborer | Iowa |
| 33 | Alva Perry | 18 | Son | Laborer | Minnesota |
| 34 | Elwin Perry | 16 | Son | — | Washington |
| 35 | Olive Perry | 14 | Daughter | — | Washington |
| 36 | Dorothy Hajda | 5 | Granddaughter | — | Washington |
| 37 | Virgil R Thomas | 31 | Head | Farmer | Oregon |
| 38 | Lola M Thomas | 28 | Wife | — | Illinois |
| 39 | Esther L Thomas | 8 | Daughter | — | Washington |
| 40 | Eleanor L Thomas | 3 | Daughter | — | Washington |
| 41 | Clarence A Thomas | 3 | Son | — | Washington |
| 42 | Matthew Spears | 24 | Head | Laborer | Iowa |
| 43 | Laura M Spears | 28 | Wife | — | Illinois |
| 44 | M C Brindle | 30 | Head | Farmer | North Carolina |
| 45 | Ida Brindle | 25 | Wife | — | Washington |
| 46 | Lucile Brindle | 4 | Daughter | — | Washington |
| 47 | P R Lair | 63 | Head | Farmer | Michigan |
| 48 | Emma A Lair | 58 | Wife | — | Kansas |
| 49 | Ray Lair | 26 | Son | Laborer | Washington |
| 50 | Ruby E Lair | 22 | Sons wife | — | Washington |
Pedigree Summary
Mary + 1 sibling
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 1920 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)