DS
Doris Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mclean-County, Illinois
Our Model Tree links this Doris Smith across the 1930 and 1940 US Censuses in Mclean-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 9-person household.
Age 10
b. ~1930
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mclean-County, Illinois |
| Surname | Smith |
| Given Name | Doris |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Bloomington City |
| 1935 Residence (County) | McLean |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Bloomington 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Doris | Age | Birth yr |
|---|---|---|---|---|
| Betty Smith | Daughter | — | 15 | ~1925 |
| Bernice Smith | Daughter | — | 27 | ~1913 |
| Doris Smith | Daughter | — | 10 | ~1930 |
| E Smith | Head | — | 51 | ~1889 |
| Billy Smith | Son | — | 15 | ~1925 |
| Loren Smith | Son | — | 17 | ~1923 |
| Sidney Smith | Son | — | 12 | ~1928 |
| Earl Smith | Son | — | 21 | ~1919 |
| Madge Smith | Spouse | — | 50 | ~1890 |
Census Appearances
1930
Mclean, Illinois
Daughter, age
Mclean, Illinois · implied b. ~1930 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Doris |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Mclean-County, Illinois
Daughter, age 10
Mclean-County, Illinois · implied b. ~1930 — 9 household members
| Surname | Smith |
| Given Name | Doris |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Bloomington City |
| 1935 Residence (County) | McLean |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| 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 Doris Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Doris Smith
Daughter · 1940 · age 10 · b. ~1930 · Illinois
★ You are viewing this record
Sibling
Betty Smith
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sidney Smith
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earl Smith
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loren Smith
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Billy Smith
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernice Smith
Sibling · 1940 · age 27
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 — Mclean-County, Illinois
Open full size
1940 US Federal Census — Mclean-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00841-01050)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | C. J. Roundfield | 26 | Roomer | Houseman | Georgia |
| 2 | Eloise Nathan | 14 | daughter | — | Illinois |
| 3 | Marguerite Nathan | 12 | daughter | — | Illinois |
| 4 | Christine Nathan | 10 | daughter | — | Illinois |
| 5 | Mose Thomas | 31 | Head | Laborer | Kentucky |
| 6 | Evelynn Thomas | 33 | wife | — | Illinois |
| 7 | Beverly Thomas | 11 | daughter | — | Illinois |
| 8 | Norma Thomas | 10 | daughter | — | Illinois |
| 9 | Bettydene Thomas | 9 | daughter | — | Illinois |
| 10 | Marvin Thomas | 7 | son | — | Illinois |
| 11 | Donnejean Thomas | 5 | daughter | — | Illinois |
| 12 | Lowell Thomas | 3 | son | — | Illinois |
| 13 | E. M. Smith | 51 | Head | Switchman | Illinois |
| 14 | Madge Smith | 50 | wife | — | Illinois |
| 15 | Bernice Smith | 27 | daughter | Operator | Illinois |
| 16 | Earl James Smith | 21 | son | — | Illinois |
| 17 | Loren L. Smith | 17 | son | — | Illinois |
| 18 | Billy Smith | 15 | son | — | Illinois |
| 19 | Betty Smith | 15 | daughter | — | Illinois |
| 20 | Sidney Smith | 12 | son | — | Illinois |
| 21 | Doris Smith THIS PERSON | 10 | daughter | — | Illinois |
| 22 | Harry Frankeburger | 45 | Head | Billing Clerk | Illinois |
| 23 | Signe Frankeburger | 47 | wife | — | Illinois |
| 24 | Betty Arnold | 17 | maid | Maid | Illinois |
| 25 | John Tudor | 35 | Head | Painter | Illinois |
| 26 | Edna Tudor | 34 | wife | — | Illinois |
| 27 | Emma Geselle | 58 | mother-in-law | — | Germany |
| 28 | Nancy Lee Tudor | 9 | daughter | — | Illinois |
| 29 | Donald Ivan Tudor | 3 | son | — | Illinois |
| 30 | Carol Kay Tudor | 1 | daughter | — | Illinois |
| 31 | Orin Page | 24 | Head | Laborer | Illinois |
| 32 | Marie Page | 20 | wife | Housework | Illinois |
| 33 | Sol Moore | 41 | Head | Laborer | Mississippi |
| 34 | Mildred Moore | 32 | wife | — | Illinois |
| 35 | Melba Moore | 10 | daughter | — | Illinois |
| 36 | Sol Jr. Moore | 8 | son | — | Illinois |
| 37 | Francis Moore | 6 | son | — | Illinois |
| 38 | Earl Moore | 5 | son | — | Illinois |
| 39 | Albert Moore | 4 | son | — | Illinois |
| 40 | Marian Moore | 2 | daughter | — | Illinois |
Related Census Records
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)