MS
Melvin Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Macon-County, Illinois
Our Model Tree links this Melvin Smith across the 1920, 1930 and 1940 US Censuses in Macon-County, Illinois (XGBoost, ~Confirmed), with identified parents Webster & Florence — first a son (b.~1908), then head of a 6-person household.
Age 32
b. ~1908
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Macon-County, Illinois |
| Surname | Smith |
| Given Name | Melvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Decatur |
| 1935 Residence (County) | Macon |
| Additional Details | |
| Hours Worked | 3 |
| Income (1939) | 40 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Decatur |
| Est. Birth Year | ~1908 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Melvin | Age | Birth yr |
|---|---|---|---|---|
| Lucille Smith | Daughter | — | 24 | ~1916 |
| Agnes Smith | Daughter | — | 20 | ~1920 |
| Florence Smith | Head | — | 52 | ~1888 |
| Richard Smith | Son | — | 13 | ~1927 |
| Melvin Smith | Son | — | 32 | ~1908 |
| Billy Smith | Son | — | 15 | ~1925 |
Census Appearances
1920
Macon, Illinois
Son, age 12
Macon, Illinois · implied b. ~1908 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Melvin |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Macon, Illinois
Son, age 22
Macon, Illinois · implied b. ~1908 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Melvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Car Washer |
| Industry | Garage Automobiles |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Macon-County, Illinois
Son, age 32
Macon-County, Illinois · implied b. ~1908 — 6 household members
| Surname | Smith |
| Given Name | Melvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Decatur |
| 1935 Residence (County) | Macon |
| Hours Worked | 3 |
| Income (1939) | 40 |
| Highest Grade | No 8 |
| 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 Melvin Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Webster Smith (~0.92 confidence) and mother Florence Smith (~0.92 confidence) and mother Flossie Smith (~0.92 confidence) and father Moshe Smith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Webster Smith
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Florence Smith
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Flossie Smith
b. ~1888
Source mother
● Household
· direct · ~0.92
Father
Moshe Smith
b. ~1888
Source father
● Household
· direct · ~0.92
This person
Anchor record
Melvin Smith
Son · 1940 · age 32 · b. ~1908 · Illinois
★ You are viewing this record
Sibling
Lucille Smith
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Smith
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Smith
Sibling · 1940 · age 20
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
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Macon-County, Illinois
Open full size
1940 US Federal Census — Macon-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00843-00623)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Beulah D Pearson | 43 | Wife | — | Illinois |
| 42 | Herbert Sutton | 30 | Head | Baker | Indiana |
| 43 | Mary H Sutton | 32 | Wife | — | Pennsylvania |
| 44 | Florence Smith | 52 | Head | — | Illinois |
| 45 | Melvin Smith THIS PERSON | 32 | Son | — | Illinois |
| 46 | Lucille Smith | 24 | Daughter | Stenographer | Illinois |
| 47 | Agnes Smith | 20 | Daughter | Diet Kitchen | Illinois |
| 48 | Billy Smith | 15 | Son | — | Illinois |
| 49 | Richard Smith | 13 | Son | — | Illinois |
| 50 | Irving Trimmer | 53 | Head | Painter | Illinois |
| 51 | Merril Trimmer | 19 | Son | — | Illinois |
| 52 | Naming Marietta | 37 | Head | Fireman | Illinois |
| 53 | Mary Marietta | 36 | Wife | — | Germany |
| 54 | Extra Lillie Marietta | 1 | Daughter | — | Illinois |
| 55 | Grace D Byers | 52 | Head | Cookery | Illinois |
| 56 | Dorothy Byers | 31 | Daughter | Packer | Illinois |
| 57 | Charles S Emery | 66 | Head | Civil Engineer | Illinois |
| 58 | Lula B Emery | 61 | Wife | — | Ohio |
| 59 | Guy Harris | 48 | Head | Packer | Illinois |
| 60 | Anna Harris | 45 | Wife | — | Ohio |
| 61 | Netta Harris | 14 | Daughter | — | Michigan |
| 62 | Betty Harris | 11 | Daughter | — | Michigan |
| 63 | Fred Post | 47 | Head | — | Indiana |
| 64 | Camilla Post | 35 | Wife | — | Illinois |
| 65 | Marie Post | 29 | Daughter | Dish Washer | Illinois |
| 66 | Juanita Post | 16 | Daughter | — | Illinois |
| 67 | Fred Jr. Post | 14 | Son | — | Illinois |
| 68 | Carl Post | 12 | Son | — | Illinois |
| 69 | Robert Post | 9 | Son | — | Illinois |
| 70 | Eileen Post | 4 | Daughter | — | Illinois |
| 71 | Joan Post | 2 | Daughter | — | Illinois |
| 72 | John Mcdonald | 63 | Head | Carpenter | Illinois |
| 73 | Emma Mcdonald | 57 | Wife | — | Illinois |
| 74 | Jennie Woodall | 48 | Sister | Teacher | Illinois |
| 75 | — | None | — | — | — |
| 76 | Vern Spaulding | 26 | Head | Salesman | Illinois |
| 77 | Mary I Spaulding | 25 | Wife | — | Illinois |
| 78 | Gertrude Spidley | 62 | Head | Dressmaking | Illinois |
| 79 | Helen Venters | 32 | Niece | Music Teacher | Illinois |
| 80 | Mary Venters | 63 | Sister | — | Illinois |
Related Census Records
Pedigree Summary
Melvin + 4 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)