MC
Mary Carson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Champaign, Illinois
Our Model Tree links this Mary Carson across the 1920 and 1930 US Censuses in Champaign, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1910), then head of a 7-person household.
Age 20
b. ~1910
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Champaign, Illinois |
| Surname | Carson |
| Given Name | Mary Ann |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Urbana City |
| Est. Birth Year | ~1910 |
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 |
|---|---|---|---|---|
| John Carson | Son | — | 9 | ~1921 |
| Mary Carson | Daughter | — | 20 | ~1910 |
| Dorothy Carson | Daughter | — | 16 | ~1914 |
| Joseph Carson | Son | — | 14 | ~1916 |
| Mary Carson | Spouse | — | 45 | ~1885 |
| Thomas Carson | Son | — | 18 | ~1912 |
| Francis Carson | Head | — | 50 | ~1880 |
Census Appearances
1920
Champaign, Illinois
Daughter, age 9
Champaign, Illinois · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carson |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Champaign, Illinois
Daughter, age 20
Champaign, Illinois · implied b. ~1910 — 7 household members
| Surname | Carson |
| Given Name | Mary Ann |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| 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 Carson across 2 US Census years (1920 and 1930) in Champaign, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Carson
Daughter · 1930 · age 20 · b. ~1910 · Illinois
★ You are viewing this record
Sibling
Dorothy Carson
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Carson
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Carson
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Carson
Sibling · 1930 · age 9
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 — Champaign, Illinois
Open full size
1930 US Federal Census — Champaign, Illinois
Page Contents
42 people indexed on this census page (ia:1930:illinoiscensus00reel410:0581)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | William Brummick | 51 | Head | Real Estate | Virginia |
| 52 | Rachel E Brummick | 52 | Wife | — | Indiana |
| 53 | Charles E Brummick | 20 | Son | Mechanic | Illinois |
| 55 | Chester C Bear | 65 | Head | Jeweler | Illinois |
| 56 | Nellie P Bear | 57 | Wife | — | Canada English |
| 57 | John E Maguire | 50 | Head | Photographer | Illinois |
| 58 | Nan Maguire | 48 | Wife | — | Illinois |
| 59 | Minnie Richards | 77 | Mother-in-law | — | Virginia |
| 60 | Dwight A Thornton | 50 | Head | Barber | Illinois |
| 61 | Edith M Thornton | 45 | Wife | — | Illinois |
| 62 | Ralph Johnson | None | Head | — | United States |
| 64 | John W Neal | 60 | Head | Caretaker | Kentucky |
| 65 | Julia Ann Neal | 44 | Wife | — | Illinois |
| 66 | Adelaide B Neal | 34 | Daughter | Housework | Illinois |
| 67 | Herbert L Neal | 23 | Son | Laborer | Kentucky |
| 68 | Ray Gullen | 35 | Head | Laborer | Illinois |
| 69 | Julia Gullen | 32 | Wife | Cook | Kentucky |
| 70 | Harry B Percival | 38 | Head | Repairman | Illinois |
| 71 | Dollie B Percival | 39 | Wife | Cook | Kentucky |
| 72 | Margaret A Percival | 18 | Daughter | — | Illinois |
| 73 | Donald W Percival | 16 | Son | — | Illinois |
| 74 | Ray E Percival | 13 | Son | — | Illinois |
| 81 | Francis T Carson | 50 | Head | Lawyer | Illinois |
| 82 | Mary K Carson | 45 | Wife | — | Illinois |
| 83 | Mary Ann Carson THIS PERSON | 20 | Daughter | — | Illinois |
| 84 | Thomas B Carson | 18 | Son | — | Illinois |
| 85 | Dorothy J Carson | 16 | Daughter | — | Illinois |
| 86 | Joseph R Carson | 14 | Son | — | Illinois |
| 87 | John D Carson | 9 | Son | — | Illinois |
| 88 | Loyd Vanderventer | 47 | Head | Laborer | Illinois |
| 89 | Laura Vanderventer | 42 | Wife | — | Illinois |
| 90 | Paul Vanderventer | 24 | Son | Laborer | Illinois |
| 91 | Prentice Vanderventer | 20 | Son | Laborer | Illinois |
| 92 | Joy C Vanderventer | 14 | Daughter | — | Illinois |
| 93 | Carol F Vanderventer | 13 | Son | — | Illinois |
| 94 | Gale T Vanderventer | 11 | Son | — | Illinois |
| 95 | Barbara R Vanderventer | 5 | Daughter | — | Illinois |
| 96 | Rena G Beall | 50 | Head | Keeping | Illinois |
| 97 | Beatrice E Beall | 20 | Daughter | Employee | Illinois |
| 98 | Jane Beall | 18 | Daughter | Cleaning Dept | Illinois |
| 99 | Laura B Graber | 60 | Head | — | Ohio |
| 100 | Edith K Graber | 39 | Daughter | — | Illinois |
Related Census Records
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)