RC
Robert Cochran — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Polk-County, Florida
Our Model Tree links this Robert Cochran across the 1930 and 1940 US Censuses in Polk-County, Florida (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 8-person household.
Age 10
b. ~1930
Male
Son
Born: Florida
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Florida |
| Surname | Cochran |
| Given Name | Robert L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Florida |
| 1935 Residence (City) | Bartow City |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
| Township / Ward | Bartow City |
| Est. Birth Year | ~1930 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Charles Cochran | Son | — | 7 | ~1933 |
| Jessie Cochran | Spouse | — | 35 | ~1905 |
| Ravenell Cochran | Daughter | — | 1 | ~1939 |
| Viola Cochran | Daughter | — | 5 | ~1935 |
| Robert Cochran | Son | — | 10 | ~1930 |
| Phrena Cochran | Daughter | — | 15 | ~1925 |
| Charlie Cochran | Son | — | 12 | ~1928 |
| Charlie Cochran | Head | — | 44 | ~1896 |
Census Appearances
1930
Polk, Florida
Son, age
Polk, Florida · implied b. ~1930 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cochran |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Florida |
| Father's Birthplace | Florida |
| Mother's Birthplace | Florida |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1940
Polk-County, Florida
Son, age 10
Polk-County, Florida · implied b. ~1930 — 8 household members
| Surname | Cochran |
| Given Name | Robert L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Florida |
| 1935 Residence (City) | Bartow City |
| 1935 Residence (County) | Polk |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
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 Robert Cochran across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Cochran
Son · 1940 · age 10 · b. ~1930 · Florida
★ You are viewing this record
Sibling
Viola Cochran
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlie Cochran
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phrena Cochran
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Cochran
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ravenell Cochran
Sibling · 1940 · age 1
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 — Polk-County, Florida
Open full size
1940 US Federal Census — Polk-County, Florida
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00612-00167)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jessie P. Cochran | 13 | Daughter | — | Florida |
| 42 | Haskell H. Cochran | 11 | Daughter | — | Florida |
| 43 | David L. Cochran | 9 | Son | — | Florida |
| 44 | Betty J. Cochran | 7 | Daughter | — | Florida |
| 45 | Joseph J. Cochran | 4 | Son | — | Florida |
| 46 | Gerald D. Cochran | 1 | Son | — | Florida |
| 47 | Charlie D. Cochran | 44 | Head | Owner | N. Carolina |
| 48 | Jessie E. Cochran | 35 | Wife | — | Florida |
| 49 | Phrena D. Cochran | 15 | Daughter | — | Florida |
| 50 | Charlie D. Jr. Cochran | 12 | Son | — | Florida |
| 51 | Robert L. Cochran THIS PERSON | 10 | Son | — | Florida |
| 52 | Charles L. Cochran | 7 | Son | — | Florida |
| 53 | Viola L. Cochran | 5 | Daughter | — | Florida |
| 54 | Ravenell Cochran | 1 | Daughter | — | Florida |
| 55 | Phoebe Cochran | 65 | Head | — | N. Carolina |
| 56 | Edward Dees | 42 | Head | Peeling | Florida |
| 57 | Ivy V. Dees | 24 | Wife | — | Florida |
| 58 | Juanita Dees | 1 | Daughter | — | Florida |
| 59 | Floyd A. Palsher | 35 | Head | Time Keeper | Florida |
| 60 | Eula E. Palsher | 20 | Wife | — | Florida |
| 61 | Charles L. Palsher | 2 | Son | — | Florida |
| 62 | Lavalette D. Palsher | 0 | Daughter | — | Florida |
| 63 | David E. Tyson | 37 | Head | Foreman | Florida |
| 64 | Edith Tyson | 29 | Wife | — | Florida |
| 65 | Edna M. Tyson | 14 | Daughter | — | Florida |
| 66 | Lois L. Tyson | 11 | Daughter | — | Florida |
| 67 | Charles D. Tyson | 8 | Son | — | Florida |
| 68 | Geneva K. Hodges | 18 | niece | — | Florida |
| 69 | William B. Kashin | 71 | Head | — | Florida |
| 70 | Mollie Kashin | 67 | Wife | — | Alabama |
| 71 | James H. Drey | 30 | Head | Attendant | Florida |
| 72 | Lula J. Drey | 47 | Wife | — | Florida |
| 73 | Douglas L. Clutchfield | 56 | Head | Salesman | Florida |
| 74 | Lillian H. Clutchfield | 26 | Wife | — | Florida |
| 75 | Samuel J. Clutchfield | 12 | Son | — | Florida |
| 76 | William H. Clark | 45 | Head | Meat Cutter | Florida |
| 77 | Ruby Clark | 41 | Wife | — | Georgia |
| 78 | Kermit Clayton | 23 | Lodger | Ass. Meat Cutter | N. Carolina |
| 79 | Pearl V. Mercer | 38 | Head | Sectioning | Florida |
| 80 | Dorothy H. Mercer | 18 | Daughter | Sectioning | Florida |
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)