LM
Lois Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Elkhart-County, Indiana
Our Model Tree links this Lois Martin across the 1930 and 1940 US Censuses in Elkhart-County, Indiana (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 8-person household.
Age 10
b. ~1930
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Elkhart-County, Indiana |
| Surname | Martin |
| Given Name | Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (County) | Elkhart |
| Additional Details | |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Wakarusa Town |
| Est. Birth Year | ~1930 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lois | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Martin | Spouse | — | 35 | ~1905 |
| Bertha Martin | Daughter | — | 8 | ~1932 |
| Fay Martin | Daughter | — | 5 | ~1935 |
| Paul Martin | Head | — | 34 | ~1906 |
| Lois Martin | Daughter | — | 10 | ~1930 |
| Carl Martin | Son | — | 3 | ~1937 |
| Verda Martin | Daughter | — | 7 | ~1933 |
| Roy Martin | Son | — | 2 | ~1938 |
Census Appearances
1930
Elkhart, Indiana
Daughter, age
Elkhart, Indiana · implied b. ~1930 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Lois F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Elkhart-County, Indiana
Daughter, age 10
Elkhart-County, Indiana · implied b. ~1930 — 8 household members
| Surname | Martin |
| Given Name | Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (County) | Elkhart |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Lois Martin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lois Martin
Daughter · 1940 · age 10 · b. ~1930 · Indiana
★ You are viewing this record
Sibling
Fay Martin
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Martin
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bertha Martin
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Verda Martin
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roy Martin
Sibling · 1940 · age 2
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 — Elkhart-County, Indiana
Open full size
1940 US Federal Census — Elkhart-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01041-00767)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gilbert Pletcher | 1 | Grand son | — | Indiana |
| 2 | Charles Pletcher | 55 | Head | 40 | Indiana |
| 3 | Maude Pletcher | 52 | Wife | — | Indiana |
| 4 | Paul Pletcher | 28 | Head | 30 | Indiana |
| 5 | Bessie Pletcher | 27 | Wife | — | Indiana |
| 6 | Charles Pletcher | 5 | Son | — | Indiana |
| 7 | Joan Pletcher | 2 | Daughter | — | Indiana |
| 8 | Rubin Weaver | 36 | Head | 63 | Indiana |
| 9 | Marjorie Weaver | 27 | Wife | — | Indiana |
| 10 | Deloris Weaver | 3 | Daughter | — | Indiana |
| 11 | Ada Culp | 47 | Head | — | Indiana |
| 12 | Bessie Burns | 40 | Daughter | — | Indiana |
| 13 | Devon Risser | 21 | Lodger | 3 | Indiana |
| 14 | Florence Risser | 23 | Lodger | 42 | Indiana |
| 15 | Paul Martin | 34 | Head | 55 | Indiana |
| 16 | Dorothy Martin | 35 | Wife | — | Indiana |
| 17 | Lois Martin THIS PERSON | 10 | Daughter | — | Indiana |
| 18 | Bertha Martin | 8 | Daughter | — | Indiana |
| 19 | Verda Martin | 7 | Daughter | — | Indiana |
| 20 | Fay Martin | 5 | Daughter | — | Indiana |
| 21 | Carl Martin | 3 | Son | — | Indiana |
| 22 | Roy Martin | 2 | Son | — | Indiana |
| 23 | Jacob Miller | 78 | Head | — | Indiana |
| 24 | Rebecca Miller | 74 | Wife | — | Ohio |
| 25 | Louis Boyce | 62 | Head | 4 | Wisconsin |
| 26 | Dorothy Boyce | 49 | Wife | — | England |
| 27 | Charles Anthony | 68 | Hired hand | 8 | Indiana |
| 28 | Lowell Brown | 25 | Head | 60 | Indiana |
| 29 | Christina Brown | 27 | Wife | — | Indiana |
| 30 | Harry Brown | 2 | Son | — | Indiana |
| 31 | Harlan Wire | 33 | Head | 60 | Indiana |
| 32 | Gladys Wire | 30 | Wife | — | Indiana |
| 33 | Larry Dean Wire | 4 | Son | — | Indiana |
| 34 | Roger Dale Wire | 2 | Son | — | Indiana |
| 35 | Christ Wise | 54 | Head | 60 | Indiana |
| 36 | Nina Wise | 53 | Wife | — | Indiana |
| 37 | Olan Vaughan | 42 | Head | 60 | Indiana |
| 38 | Verna Vaughan | 41 | Wife | — | Indiana |
| 39 | Ralph Culp | 46 | Head | 8 | Indiana |
| 40 | Cora Culp | 37 | Wife | — | Indiana |
Related Census Records
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)