RS
Roland Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mclean-County, Illinois
Our Model Tree links this Roland Smith across the 1920, 1930 and 1940 US Censuses in Mclean-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1918), then head of a 3-person household.
Age 22
b. ~1918
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mclean-County, Illinois |
| Surname | Smith |
| Given Name | Roland |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Bloomington city |
| 1935 Residence (County) | McLean |
| Additional Details | |
| Occupation | Salesman |
| Industry | Grocery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 900 |
| Highest Grade | C 3 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Salesman |
| Township / Ward | Bloomington City |
| Est. Birth Year | ~1918 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Roland | Age | Birth yr |
|---|---|---|---|---|
| Roland Smith | Head | — | 22 | ~1918 |
| Michael Smith | Son | — | 1 | ~1939 |
| Ethel Smith | Spouse | — | 22 | ~1918 |
Census Appearances
1920
Mclean, Illinois
Other, age 2
Mclean, Illinois · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Roland |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Mclean, Illinois
Other, age 13
Mclean, Illinois · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Roland |
| Relationship to Head | nephew |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Mclean-County, Illinois
Head, age 22
Mclean-County, Illinois · implied b. ~1918 — 3 household members
| Surname | Smith |
| Given Name | Roland |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Bloomington city |
| 1935 Residence (County) | McLean |
| Occupation | Salesman |
| Industry | Grocery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 900 |
| Highest Grade | C 3 |
| 1935 Residence | Same place |
| 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 Roland Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Roland Smith
Head · 1940 · age 22 · b. ~1918 · Illinois
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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
34 people indexed on this census page (nara:1940:m-t0627-00841-00415)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Della Browning | 62 | Head | Manager | Illinois |
| 2 | Roland Smith THIS PERSON | 22 | Head | Salesman | Illinois |
| 3 | Ethel Smith | 22 | Wife | — | Illinois |
| 4 | Michael Smith | 1 | Son | — | Illinois |
| 5 | Walter F. Gerschall | 27 | Head | Meat Cutter | Illinois |
| 6 | Mary L. Gerschall | 26 | Wife | — | Illinois |
| 8 | Lawrence Jones | 25 | Head | Salesman | Illinois |
| 9 | Evelyn Jones | 25 | Wife | Beauty Operator | Illinois |
| 10 | Jo Ellen Jones | 0 | Daughter | — | Illinois |
| 15 | Robert Robinson | 37 | Head | Routeman | Illinois |
| 16 | Minnie Robinson | 38 | Wife | — | Illinois |
| 17 | Robert Jr. Robinson | 18 | Son | — | Illinois |
| 18 | James F. Robinson | 14 | Son | — | Illinois |
| 19 | Jerry V. Robinson | 10 | Son | — | Illinois |
| 20 | William Hancock | 29 | Head | Bell Boy | Kentucky |
| 21 | Mary Hancock | 22 | Wife | Clerk | Illinois |
| 22 | Charles Scharf | 62 | Head | Labor | Illinois |
| 23 | Charles Jr. Scharf | 23 | Son | Labor | Illinois |
| 24 | Ralph Lillian Scharf | 31 | Daughter | — | Illinois |
| 25 | Stephen Scharf | 25 | Son | — | Illinois |
| 26 | Muma Dorothy Scharf | 27 | Daughter | — | Illinois |
| 27 | Diane Scharf | 6 | Daughter | — | Illinois |
| 28 | Louise Winter | 58 | Head | Clerk | Illinois |
| 29 | Rose Winter | 50 | Sister | Clerk | Illinois |
| 30 | Robert D. Ferber | 21 | Head | Collector | Colorado |
| 31 | Fay Moore Ferber | 48 | Wife | Saleswoman | Missouri |
| 32 | Lawrence G. Wagner | 54 | Head | Meat Cutter | Illinois |
| 33 | Margaret E. Wagner | 42 | Wife | Office Manager | Illinois |
| 34 | Kathryn A. Wagner | 18 | Daughter | Bookkeeper | Illinois |
| 35 | Margaret M. Wagner | 11 | Daughter | — | Illinois |
| 36 | Helen M. Young | 40 | Head | Stenographer | Illinois |
| 38 | William Atkinson | 29 | Head | Designer | Ohio |
| 39 | Helen Atkinson | 29 | Wife | — | Ohio |
| 40 | William Jr. Atkinson | 2 | Son | — | Ohio |
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)