MR
Martha Russell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hancock-County, Illinois
Our Model Tree links this Martha Russell across the 1930 and 1940 US Censuses in Hancock-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 6-person household.
Age 15
b. ~1925
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hancock-County, Illinois |
| Surname | Russell |
| Given Name | Martha J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Monmouth |
| 1935 Residence (County) | Warren |
| Additional Details | |
| Highest Grade | H-1 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Nauvoo |
| Est. Birth Year | ~1925 |
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 Martha | Age | Birth yr |
|---|---|---|---|---|
| John Russell | Son | — | 12 | ~1928 |
| Donald Russell | Son | — | 18 | ~1922 |
| Allen Russell | Head | — | 45 | ~1895 |
| Fannie Russell | Spouse | — | 46 | ~1894 |
| David Russell | Son | — | 11 | ~1929 |
| Martha Russell | Daughter | — | 15 | ~1925 |
Census Appearances
1930
Hancock, Illinois
Daughter, age 5
Hancock, Illinois · implied b. ~1925 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Russell |
| Given Name | Martha J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Hancock-County, Illinois
Daughter, age 15
Hancock-County, Illinois · implied b. ~1925 — 6 household members
| Surname | Russell |
| Given Name | Martha J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Monmouth |
| 1935 Residence (County) | Warren |
| Highest Grade | H-1 |
| 1935 Residence | Illinois |
| 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 Martha Russell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Russell
Daughter · 1940 · age 15 · b. ~1925 · Illinois
★ You are viewing this record
Sibling
John Russell
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Russell
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Russell
Sibling · 1940 · age 11
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 — Hancock-County, Illinois
Open full size
1940 US Federal Census — Hancock-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00810-00479)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lutz C. Schafer | 79 | Head | Harness Maker | Illinois |
| 2 | Louise A. Schafer | 74 | Wife | — | Illinois |
| 3 | Leo W. Schafer | 35 | Son | — | Illinois |
| 4 | Kenneth Schafer | 32 | Son | — | Illinois |
| 5 | Lucius Schafer | 39 | Head | Manager | Illinois |
| 6 | Dorothy Schafer | 36 | Wife | — | Michigan |
| 7 | Joseph H. Smith | 51 | Head | Mail Carrier | Iowa |
| 8 | Laura Smith | 39 | Wife | — | Wisconsin |
| 9 | Lorraine H. Smith | 16 | Daughter | — | Wisconsin |
| 10 | Harrieth H. Smith | 10 | Daughter | — | Wisconsin |
| 11 | Louis Schoell | 70 | Head | Clerk | Illinois |
| 12 | Alice Schoell | 72 | Wife | — | Illinois |
| 13 | Josephine Burmeister | 60 | Head | — | Illinois |
| 14 | Charles Burmeister | 56 | Brother | Carpenter | Illinois |
| 15 | Willis Bremer | 30 | Head | Salesman | Illinois |
| 16 | Alice Bremer | 29 | Wife | — | Illinois |
| 17 | Nancy Bremer | 2 | Daughter | — | Illinois |
| 18 | Paul Harsch | 36 | Head | Clerk | Illinois |
| 19 | Lucille Harsch | 33 | Wife | — | Illinois |
| 20 | Dorothy Harsch | 10 | Daughter | — | Iowa |
| 21 | Carmen Harsch | 5 | Daughter | — | Illinois |
| 22 | John M. Bechtold | 64 | Head | Proprietor | Illinois |
| 23 | Martha Bechtold | 65 | Wife | — | Illinois |
| 24 | Fred Porth | 79 | Head | — | Illinois |
| 25 | Catherine Porth | 75 | Wife | — | Illinois |
| 26 | Josephine Schafer | 67 | Head | — | Illinois |
| 27 | Joseph Schafer | 90 | Brother | — | Illinois |
| 28 | Allen T. Russell | 45 | Head | Proprietor | Illinois |
| 29 | Fannie Russell | 46 | Wife | — | Illinois |
| 30 | Donald Russell | 18 | Son | — | Illinois |
| 31 | Martha J. Russell THIS PERSON | 15 | Daughter | — | Illinois |
| 32 | John Russell | 12 | Son | — | Illinois |
| 33 | David Russell | 11 | Son | — | Illinois |
| 34 | Adelle Brady | 64 | Head | — | Illinois |
| 35 | Elizabeth Berger | 88 | Head | — | Illinois |
| 36 | Ernestine Berger | 64 | Head | — | Illinois |
| 37 | James Sells | 58 | Head | Laborer | Illinois |
| 38 | Josie Sells | 46 | Wife | — | Illinois |
| 39 | Glenmore Sells | 16 | Son | — | Illinois |
| 40 | Lauren Sells | 14 | Son | — | 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)