EM
Evelyn Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Illinois
Our Model Tree links this Evelyn Martin across the 1930 and 1940 US Censuses in Jefferson-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 7-person household.
Age 11
b. ~1929
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Illinois |
| Surname | Martin |
| Given Name | Evelyn |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Casner township |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Casner Township |
| Est. Birth Year | ~1929 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Evelyn | Age | Birth yr |
|---|---|---|---|---|
| Edith Martin | Daughter | — | 15 | ~1925 |
| Clinton Martin | Head | — | 35 | ~1905 |
| Shirley Martin | Daughter | — | 4 | ~1936 |
| Donald Martin | Son | — | 8 | ~1932 |
| Velma Martin | Spouse | — | 35 | ~1905 |
| Evelyn Martin | Daughter | — | 11 | ~1929 |
| Harold Martin | Son | — | 6 | ~1934 |
Census Appearances
1930
Jefferson, Illinois
Daughter, age 2
Jefferson, Illinois · implied b. ~1928 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Evelyn |
| Relationship to Head | Daughter |
| Sex | F |
| 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 |
1940
Jefferson-County, Illinois
Daughter, age 11
Jefferson-County, Illinois · implied b. ~1929 — 7 household members
| Surname | Martin |
| Given Name | Evelyn |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Casner township |
| 1935 Residence (County) | Jefferson |
| Highest Grade | No 6 |
| 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 Evelyn Martin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Evelyn Martin
Daughter · 1940 · age 11 · b. ~1929 · Illinois
★ You are viewing this record
Sibling
Donald Martin
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Martin
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Martin
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Martin
Sibling · 1940 · age 4
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 — Jefferson-County, Illinois
Open full size
1940 US Federal Census — Jefferson-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00816-00089)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gene Mcmahan | 8 | Son | — | Illinois |
| 2 | Mae Mcmahan | 4 | daughter | — | Illinois |
| 3 | Roy Mcmahan | 2 | Son | — | Illinois |
| 4 | Ray Mcmahan | 8 | grandson | — | Illinois |
| 5 | La Vern Mcmahan | 3 | daughter | — | Illinois |
| 6 | Luretha B. Aikens | 52 | Head | — | Tennessee |
| 7 | Archie Aikens | 16 | Son | — | Arkansas |
| 8 | Pauline Aikens | 14 | daughter | — | Missouri |
| 9 | Catherine Aikens | 10 | daughter | — | Illinois |
| 10 | W. R. Champ | 64 | Head | Farm Operator | Illinois |
| 11 | Elva E. Champ | 65 | wife | — | Illinois |
| 12 | Clinton Martin | 35 | Head | Labour | Illinois |
| 13 | Velma Martin | 35 | wife | — | Illinois |
| 14 | Edith Martin | 15 | daughter | — | Illinois |
| 15 | Evelyn Martin THIS PERSON | 11 | daughter | — | Illinois |
| 16 | Donald Martin | 8 | Son | — | Illinois |
| 17 | Harold Martin | 6 | Son | — | Illinois |
| 18 | Shirley Martin | 4 | daughter | — | Illinois |
| 19 | Millie Lewis | 68 | Head | — | Illinois |
| 20 | Emma Siler | 74 | sister | — | Illinois |
| 21 | C. Charles Lacey | 76 | brother | Salesman | Illinois |
| 22 | Lou Rogers | 77 | Head | — | Illinois |
| 23 | Jesse Schmidt | 60 | Head | Farm Operator | Illinois |
| 24 | Susie Schmidt | 57 | wife | — | Illinois |
| 25 | Myrtha Schmidt | 34 | daughter | Clerk | Illinois |
| 26 | Claude Schmidt | 32 | Son | Mountier|Mountain | Illinois |
| 27 | Ann Schmidt | 30 | daughter in law | School Teacher | Illinois |
| 28 | Larry Schmidt | 3 | grandson | — | Illinois |
| 29 | Jerry Schmidt | 2 | grandson | — | Illinois |
| 30 | A. L. Haddox | 78 | Head | Carpenter | Illinois |
| 31 | Annie L. Haddox | 74 | wife | — | Illinois |
| 32 | George Fairchild | 42 | Head | Farm Operator | Illinois |
| 33 | Clara Fairchild | 34 | wife | — | Illinois |
| 34 | Cleva Fairchild | 8 | daughter | — | Illinois |
| 35 | Shelie Proutt | 35 | Head | Pole Framer | Illinois |
| 36 | Kathleen Proutt | 34 | wife | Stamp Insoles | Tennessee |
| 37 | Ed S. Eubanks | 52 | Head | Carpenter | Illinois |
| 38 | Stella Eubanks | 53 | wife | — | Illinois |
| 39 | Richard Eubanks | 27 | Son | Carpenter | Illinois |
| 40 | Iva Eubanks | 25 | Son | Foreman | Illinois |
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)