MB
Mary Blackburn — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Edgar, Illinois
Our Model Tree links this Mary Blackburn across the 1930 and 1940 US Censuses in Edgar, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 7-person household.
Age 9
b. ~1921
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Edgar, Illinois |
| Surname | Blackburn |
| Given Name | Mary M |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Eldridge Township |
| Est. Birth Year | ~1921 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Roscoe Blackburn | Son | — | 6 | ~1924 |
| Raymond Blackburn | Head | — | 32 | ~1898 |
| Bernard Blackburn | Son | — | 5 | ~1925 |
| Betty Blackburn | Daughter | — | ~1930 | |
| Walter Blackburn | Son | — | 3 | ~1927 |
| Ethel Blackburn | Other | — | 27 | ~1903 |
| Mary Blackburn | Daughter | — | 9 | ~1921 |
Census Appearances
1930
Edgar, Illinois
Daughter, age 9
Edgar, Illinois · implied b. ~1921 — 7 household members
| Surname | Blackburn |
| Given Name | Mary M |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Edgar-County, Illinois
Other, age 18
Edgar-County, Illinois · implied b. ~1922 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blackburn |
| Given Name | Marcella |
| Relationship to Head | Grand-daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Hume village |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Blackburn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Blackburn
Daughter · 1930 · age 9 · b. ~1921 · Illinois
★ You are viewing this record
Sibling
Betty Blackburn
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roscoe Blackburn
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernard Blackburn
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Blackburn
Sibling · 1930 · age 3
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 — Edgar, Illinois
Open full size
1930 US Federal Census — Edgar, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel513:0084)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Ruby Cantrell | 23 | wife-H | None | Illinois |
| 52 | Viola T Cantrell | 2 | daughter | None | Illinois |
| 53 | Grover Reed | 38 | Head | Farmer | Illinois |
| 54 | Mary Reed | 30 | wife-H | None | Kentucky |
| 55 | Clifford Reed | 7 | son | None | Illinois |
| 56 | Hulsey Reed | 5 | daughter | None | Illinois |
| 57 | Chester Reed | 2 | son | None | Illinois |
| 58 | Dorothy Provitt | 8 | step-daughter | None | Illinois |
| 59 | Roy Barnett | 52 | Head | Farming | Illinois |
| 60 | Nettie Barnett | 51 | wife-H | None | Illinois |
| 61 | Buster Barnett | 17 | son | None | Illinois |
| 62 | Jewel Barnett | 14 | daughter | None | Illinois |
| 63 | Clurin Barnett | 11 | son | None | Illinois |
| 64 | Gerdie Barnett | 9 | son | None | Illinois |
| 65 | Charles W Chew | 64 | Head | Farmer | Illinois |
| 66 | Clara Chew | 63 | wife-H | None | Illinois |
| 67 | Lawrence Forsythe | 28 | Head | Farmer | Illinois |
| 68 | Catherine Forsythe | 27 | wife-H | None | Illinois |
| 69 | Dorothy Forsythe | 6 | daughter | None | Illinois |
| 70 | Martha Forsythe | 5 | daughter | None | Illinois |
| 71 | Mary Forsythe | 2 | daughter | None | Illinois |
| 72 | Ernest Forsythe | 0 | son | None | Illinois |
| 73 | Robert Vicars | 32 | Head | Farmer | Illinois |
| 74 | Josephine Vicars | 27 | wife-H | None | Illinois |
| 75 | Bertha L Vicars | 5 | daughter | None | Illinois |
| 76 | Richard H Vicars | 2 | son | None | Illinois |
| 77 | Herman Virgin | 47 | Head | Farmer | Illinois |
| 78 | Edith Virgin | 43 | wife-H | None | Illinois |
| 79 | Nancy Virgin | 18 | daughter | None | Indiana |
| 80 | Archie Virgin | 14 | son | None | Illinois |
| 81 | Mary Virgin | 11 | daughter | None | Illinois |
| 82 | J. H. Vicars | 63 | Head | Farmer | Kentucky |
| 83 | Bertha Vicars | 54 | wife-H | None | Illinois |
| 84 | Walter H Vicars | 12 | son | None | Illinois |
| 85 | Raymond Blackburn | 32 | Head | Farm Labor | Indiana |
| 86 | Ethel Blackburn | 27 | wife-H | None | Illinois |
| 87 | Mary M Blackburn THIS PERSON | 9 | daughter | None | Illinois |
| 88 | Roscoe Blackburn | 6 | son | None | Indiana |
| 89 | Bernard Blackburn | 5 | son | None | Indiana |
| 90 | Walter Blackburn | 3 | son | None | Indiana |
| 91 | Betty Jane Blackburn | 0 | daughter | None | Indiana |
| 92 | Raymond Vicars | 33 | Head | Farm Labor | Illinois |
| 93 | Grace Vicars | 30 | wife-H | None | Illinois |
| 94 | Earl Vicars | 11 | son | None | Illinois |
| 95 | Dorothy Vicars | 7 | daughter | None | Indiana |
| 96 | Frances Vicars | 4 | daughter | None | Illinois |
| 97 | Enid Vicars | 2 | daughter | None | Illinois |
| 98 | Wade B Hicks | 71 | Head | Farmer | Ohio |
| 99 | Curtis Hicks | 40 | son-H | Farm Labor | Illinois |
| 100 | Ernest Volkers | 34 | Head | Farm | Illinois |
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)