WC
William Cochran — 1920 US Census Record
Model Tree available1920 United States Federal Census · Marion, Indiana
Our Model Tree links this William Cochran across the 1910, 1920 and 1930 US Censuses in Marion, Indiana (XGBoost, ~Confirmed), with identified parents Elizabeth & Alonzo — first a son (b.~1907), then head of a 7-person household.
Age 13
b. ~1907
Male
Son
Born: Indiana
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Marion, Indiana |
| Surname | Cochran |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Indianapolis City |
| 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.
7 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Helen Day | Daughter | — | 29 | ~1891 |
| Alonzo Cochran | Head | — | 39 | ~1881 |
| Jed Day | Other | — | 23 | ~1897 |
| Jed Day | Other | — | 1 | ~1919 |
| Anna Cochran | Other | — | 69 | ~1851 |
| William Cochran | Son | — | 13 | ~1907 |
| Elizabeth Cochran | Spouse | — | 40 | ~1880 |
Census Appearances
1910
Marion, Indiana
Son, age 4
Marion, Indiana · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cochran |
| Given Name | William F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1920
Marion, Indiana
Son, age 13
Marion, Indiana · implied b. ~1907 — 7 household members
| Surname | Cochran |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Son, age 24
Marion, Indiana · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cochran |
| Given Name | Willis F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 18 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Proprietor |
| Industry | Dry Cleaning |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 William Cochran across 3 US Census years (1910, 1920 and 1930) in Marion, Indiana, using XGBoost record linkage. Identified parents: mother Elizabeth Cochran (~0.92 confidence) and father Alonzo Cochran (~0.92 confidence) and mother Elizabeth Cochran (~0.92 confidence) and father George Cochran (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Elizabeth Cochran
b. ~1878
Source mother
● Household
· direct · ~0.92
Father
Alonzo Cochran
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Cochran
b. ~1880
Source mother
● Household
· direct · ~0.92
Father
George Cochran
b. ~1880
Source father
● Household
· direct · ~0.92
This person
Anchor record
William Cochran
Son · 1920 · age 13 · b. ~1907 · Indiana
★ You are viewing this record
Sibling
Helen Day
Sibling · 1920 · 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
1920 US Federal Census — Marion, Indiana
Open full size
1920 US Federal Census — Marion, Indiana
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu451unit:0423)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | William Lakin | 30 | Brother-in-law | Plumber | Indiana |
| 52 | Katherine Barge | 49 | Head | — | Ohio |
| 53 | Margaret Reese | 19 | Daughter | — | Ohio |
| 54 | Lawrence Reese | 19 | Son-in-law | Conductor | Ohio |
| 55 | Frank L. Reese | 0 | Grandson | — | Ohio |
| 56 | Helen Barge | 21 | Daughter | Ointment Mkr | Georgia |
| 57 | Mary Barge | 17 | Daughter | Clerk | Indiana |
| 58 | Georgia Barge | 14 | Daughter | Clerk | Indiana |
| 59 | Taylor A. Barge | 13 | Son | — | Indiana |
| 60 | Katherine Barge | 8 | Daughter | — | Indiana |
| 61 | Alonzo B. Cochran | 39 | Head | Bookkeeper | Indiana |
| 62 | Elizabeth Cochran | 40 | Wife | — | Indiana |
| 63 | Helen Day | 29 | Daughter | — | Indiana |
| 64 | Jed Day | 23 | Son-in-law | Machinist | Indiana |
| 65 | Jed Day | 1 | Grandson | — | Indiana |
| 66 | William Cochran THIS PERSON | 13 | Son | — | Indiana |
| 67 | Anna B. Cochran | 69 | Mother | Cook | Indiana |
| 68 | William Burghardt | 27 | Head | Finisher | Indiana |
| 69 | Fred M. Campbell | 44 | Head | Bricklayer | Scotland |
| 70 | Bertha Campbell | 43 | Wife | — | Indiana |
| 71 | Donald Campbell | 17 | Son | News Route | Ohio |
| 72 | William Campbell | 16 | Son | News Route | Indiana |
| 73 | George Campbell | 14 | Son | News Route | Indiana |
| 74 | Kenneth Campbell | 12 | Son | News Route | Indiana |
| 75 | Marion Campbell | 8 | Son | — | Indiana |
| 76 | William Robinson | 62 | Step-father | Janitor | Virginia |
| 77 | Mary Robinson | 68 | Mother-in-law | — | Indiana |
| 78 | Clara A. Isensee | 55 | Head | Saleslady | Indiana |
| 79 | Dora M. Isensee | 74 | Mother | — | Ohio |
| 80 | Louis Rayman | 28 | Head | Machinist | Servia |
| 81 | Perrie Rayman | 26 | Wife | — | Indiana |
| 82 | Paul Rayman | 6 | Son | — | Indiana |
| 83 | Rosa Rayman | 5 | Daughter | — | Indiana |
| 84 | Joseph Rayman | 4 | Son | — | Indiana |
| 85 | Dorothy Rayman | 1 | Daughter | — | Indiana |
| 86 | Margaret Weber | 56 | Mother-in-law | — | Indiana |
| 87 | Burleigh Watkins | 54 | Head | Collector | Kentucky |
| 88 | Carrie Watkins | 45 | Wife | — | Indiana |
| 89 | Gladys Watkins | 21 | Daughter | Contract Clerk | Indiana |
| 90 | Mildred Kutche | 23 | Daughter | — | Indiana |
| 91 | George Kutche | 29 | Son-in-law | Manager | Greece |
| 92 | Mary A. Ellis | 55 | Head | — | Kentucky |
| 93 | Martin L. Ellis | 30 | Son | Engineer | Kentucky |
| 94 | Robert P. Ellis | 21 | Son | Service Dept | Indiana |
| 95 | Edward Casey | 67 | Head | Molder | Kentucky |
| 96 | Robert Casey | 14 | Son | — | Kentucky |
| 97 | Ella May Casey | 12 | Daughter | — | Kentucky |
| 98 | Charles H. Jordan | 63 | Head | Commission | Indiana |
| 99 | Fatima Jordan | 67 | Wife | — | Indiana |
| 100 | George Keely | 76 | Boarder | Boiler-Setter | Indiana |
Pedigree Summary
William + 1 sibling
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 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)