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 Hattie & Edmond — first a son (b.~1917), then head of a 3-person household.
Age 23
b. ~1917
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Macon-County, Illinois |
| Surname | Smith |
| Given Name | Melvin L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Decatur City |
| 1935 Residence (County) | Macon |
| Additional Details | |
| Occupation | Grinder |
| Industry | Optical Mfg |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 932 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Grinder |
| Township / Ward | Decatur City |
| Est. Birth Year | ~1917 |
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 Melvin | Age | Birth yr |
|---|---|---|---|---|
| Margaret Smith | Daughter | — | 13 | ~1927 |
| Hattie Smith | Head | — | 49 | ~1891 |
| Melvin Smith | Son | — | 23 | ~1917 |
Census Appearances
1920
Macon, Illinois
Son, age 1
Macon, Illinois · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Melvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Macon, Illinois
Son, age 12
Macon, Illinois · implied b. ~1918 — 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 | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Macon-County, Illinois
Son, age 23
Macon-County, Illinois · implied b. ~1917 — 3 household members
| Surname | Smith |
| Given Name | Melvin L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Decatur City |
| 1935 Residence (County) | Macon |
| Occupation | Grinder |
| Industry | Optical Mfg |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 932 |
| Highest Grade | H 4 |
| 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: mother Hattie Smith (~0.92 confidence) and father Edmond Smith (~0.92 confidence) and father Edmund Smith (~0.92 confidence) and mother Iora Smith (~0.92 confidence) and mother Zora Smith (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Hattie Smith
b. ~1891
Source mother
● Household
· direct · ~0.92
Father
Edmond Smith
b. ~1892
Source father
● Household
· direct · ~0.92
Father
Edmund Smith
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Iora Smith
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Zora Smith
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Melvin Smith
Son · 1940 · age 23 · b. ~1917 · Illinois
★ You are viewing this record
Sibling
Margaret Smith
Sibling · 1940 · age 13
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
39 people indexed on this census page (nara:1940:m-t0627-00844-00079)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clarence E Meacher | 61 | Lodger | Night Watchman | Indiana |
| 2 | Sylvester Ropier | 29 | Lodger | Repair Man | Illinois |
| 3 | Wm M O'Pone | 52 | Lodger | Truck Driver | Illinois |
| 4 | George S Knidly | 33 | Lodger | Clerk | Illinois |
| 5 | Ward L Grant | 34 | Lodger | Clerk | Illinois |
| 6 | Wm M Kelat | 25 | Lodger | Clerk | Illinois |
| 7 | Paul Hynes | 42 | Lodger | Electrician | Illinois |
| 8 | Tomas A Thompson | 26 | Lodger | Attendant | Illinois |
| 9 | Willard M Kruwell | 41 | Lodger | Pole Setter | Illinois |
| 11 | Ralph J Montgomery | 57 | Head | — | Illinois |
| 12 | Jessie Montgomery | 52 | Wife | — | Illinois |
| 13 | John W Darnajel | 49 | Head | Structural Iron Worker | Illinois |
| 14 | Josephine Darnajel | 48 | Wife | — | Illinois |
| 15 | Jane M Darnajel | 25 | Daughter | — | Illinois |
| 16 | Mary Lou Darnajel | 15 | Daughter | — | Illinois |
| 17 | Charles W Trump | 62 | Head | Traveling Salesman | Kentucky |
| 18 | Mary H Trump | 52 | Wife | — | Illinois |
| 19 | Harriett G Major | 57 | Head | Typist | Illinois |
| 20 | Mollie Christy | 74 | Partner | — | Illinois |
| 21 | Charles L Smith | 65 | Head | — | Illinois |
| 22 | Sadie L Smith | 62 | Wife | — | Illinois |
| 23 | Mary E Pulley | 67 | Sister in Law | Clerk | Illinois |
| 24 | Bernard H Sahaniel | 50 | Head | Pressman | Illinois |
| 25 | Charlotte H Sahaniel | 50 | Wife | — | Illinois |
| 26 | Daniel J Christy | 64 | Head | — | Illinois |
| 27 | Lou Egis | 80 | Lodger | — | Ohio |
| 28 | Carl L Christy | 42 | Son | Traveling Salesman | Illinois |
| 29 | Harry D Lynes | 47 | Head | Bookkeeper | Illinois |
| 30 | Harriet A Lynes | 48 | Wife | — | Illinois |
| 31 | Byron F Farmer | 35 | Head | Brakeman | Illinois |
| 32 | Ruth S Farmer | 25 | Wife | — | Illinois |
| 33 | Roy A Morrison | 58 | Head | Musician | Missouri |
| 34 | Zola M Morrison | 61 | Wife | — | Illinois |
| 35 | John A Morrison | 12 | Son | — | Illinois |
| 36 | Hattie M Smith | 49 | Head | — | Illinois |
| 37 | Melvin L Smith THIS PERSON | 23 | Son | Grinder | Illinois |
| 38 | Margaret L Smith | 13 | Daughter | — | Illinois |
| 39 | Thomas A Loveless | 54 | Head | Truck Driver | Illinois |
| 40 | Lucy A Loveless | 54 | Wife | — | Illinois |
Pedigree Summary
Melvin + 1 sibling
Gen 1 · 5 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)