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Grace Thompson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Mclean, Illinois
Our Model Tree links this Grace Thompson across the 1920 and 1930 US Censuses in Mclean, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1914), then head of a 12-person household.
Age 16
b. ~1914
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Mclean, Illinois |
| Surname | Thompson |
| Given Name | Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Old Town Township Part Of |
| Est. Birth Year | ~1914 |
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.
12 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Grace | Age | Birth yr |
|---|---|---|---|---|
| Clara Thompson | Daughter | — | 19 | ~1911 |
| Eunice Thompson | Daughter | — | 5 | ~1925 |
| Lora Thompson | Daughter | — | 12 | ~1918 |
| Grace Thompson | Daughter | — | 16 | ~1914 |
| Mary Thompson | Daughter | — | 11 | ~1919 |
| Nellie Thompson | Daughter | — | 10 | ~1920 |
| James Thompson | Head | — | 42 | ~1888 |
| William Thompson | Son | — | 6 | ~1924 |
| Donald Thompson | Son | — | 2 | ~1928 |
| Amos Thompson | Son | — | 14 | ~1916 |
| Mervin Thompson | Son | — | 8 | ~1922 |
| Rosa Thompson | Spouse | — | 40 | ~1890 |
Census Appearances
1920
Mclean, Illinois
Daughter, age 5
Mclean, Illinois · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Mclean, Illinois
Daughter, age 16
Mclean, Illinois · implied b. ~1914 — 12 household members
| Surname | Thompson |
| Given Name | Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| 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 Grace Thompson across 2 US Census years (1920 and 1930) in Mclean, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
Grace Thompson
Daughter · 1930 · age 16 · b. ~1914 · Illinois
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Sibling
Eunice Thompson
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Thompson
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lora Thompson
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clara Thompson
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Thompson
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Amos Thompson
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mervin Thompson
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Thompson
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nellie Thompson
Sibling · 1930 · age 10
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 — Mclean, Illinois
Open full size
1930 US Federal Census — Mclean, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel536:0414)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John O Bozarth | 66 | Head | Farmer | Illinois |
| 2 | Ella Bozarth | 61 | Wife | — | Kansas |
| 3 | James Thompson | 42 | Head | Laborer | Kentucky |
| 4 | Rosa Thompson | 40 | Wife | — | Kentucky |
| 5 | Clara Thompson | 19 | Daughter | — | Kentucky |
| 6 | Grace Thompson THIS PERSON | 16 | Daughter | — | Illinois |
| 7 | Amos Thompson | 14 | Son | Laborer | Illinois |
| 8 | Lora Thompson | 12 | Daughter | — | Illinois |
| 9 | Mary Thompson | 11 | Daughter | — | Illinois |
| 10 | Nellie Thompson | 10 | Daughter | — | Illinois |
| 11 | Mervin Thompson | 8 | Son | — | Illinois |
| 12 | William Thompson | 6 | Son | — | Illinois |
| 13 | Eunice Thompson | 5 | Daughter | — | Illinois |
| 14 | Donald Thompson | 2 | Son | — | Illinois |
| 15 | Clint Miller | 51 | Head | Farmer | Pennsylvania |
| 16 | Mary E Miller | 50 | Wife | — | Illinois |
| 17 | Matilda Denning | 77 | Mother-in-law | — | Illinois |
| 18 | Walter Arras | 27 | Head | Laborer | Kentucky |
| 19 | Ethel Arras | 21 | Wife | — | Kentucky |
| 20 | Ruby Arras | 6 | Daughter | — | Kentucky |
| 21 | Louis Arras | 4 | Son | — | Kentucky |
| 22 | Melvin Arras | 3 | Son | — | Kentucky |
| 23 | Wilber Lawrence | 31 | Head | Farmer | Illinois |
| 24 | Mabel Lawrence | 31 | Wife | — | Kentucky |
| 25 | Kenneth Lawrence | 7 | Son | — | Illinois |
| 26 | Lowell Lawrence | 6 | Son | — | Illinois |
| 27 | Robert Lawrence | 5 | Son | — | Illinois |
| 28 | Betty Jo Lawrence | 4 | Daughter | — | Illinois |
| 29 | Patricia Lawrence | 2 | Daughter | — | Illinois |
| 30 | Stanley Potts | 45 | Head | Stock Buyer | Indiana |
| 31 | Lula Potts | 45 | Wife | — | Kentucky |
| 32 | Lula Potts | 17 | Daughter | — | Illinois |
| 33 | Ruth Potts | 14 | Daughter | — | Illinois |
| 34 | Esther Potts | 8 | Daughter | — | Illinois |
| 35 | Edward O'Neil | 42 | Head | Farmer | Illinois |
| 36 | Margaret O'Neil | 57 | Sister | — | Illinois |
| 37 | Richard Sarver | 29 | Head | Laborer | Kentucky |
| 38 | Dorothy Sarver | 21 | Wife | — | Illinois |
| 39 | Barbara Sarver | 2 | Daughter | — | Illinois |
| 40 | Gladys Sarver | 0 | Daughter | — | Illinois |
| 41 | William Sarver | 25 | Brother | Laborer | Kentucky |
| 42 | Sing Tonder | 50 | Head | — | Kentucky |
| 43 | Lida Tonder | 43 | Wife | — | Kentucky |
| 44 | Elmer Tonder | 19 | Son | Laborer | Kentucky |
| 45 | Oral Tonder | 7 | Son | — | Kentucky |
| 46 | Edna Pearl Tonder | 6 | Daughter | — | Kentucky |
| 47 | Hubert Tonder | 3 | Son | — | Kentucky |
| 48 | Henry E Warner | 43 | Head | Laborer | Illinois |
| 49 | Minnie E Warner | 43 | Wife | — | Illinois |
| 50 | Forrest Warner | 15 | Son | — | 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)