LM
Lois Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this Lois Martin across the 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed), with identified parents C & Chester — first a daughter (b.~1919), then head of a 16-person household.
Age 21
b. ~1919
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Martin |
| Given Name | Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Grosse Ile Isle |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Grosse Ile Isle |
| Est. Birth Year | ~1919 |
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.
16 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lois | Age | Birth yr |
|---|---|---|---|---|
| Lois Martin | Daughter | — | 21 | ~1919 |
| Ann Leonard | Other | — | 75 | ~1865 |
| Jack Smith | Son | — | 3 | ~1937 |
| Hugh Martin | Son | — | 19 | ~1921 |
| Mabel Prisetti | Other | — | 31 | ~1909 |
| Agnes Blondell | Spouse | — | 24 | ~1916 |
| Marcella Keppelo | Other | — | 27 | ~1913 |
| Beulah Blondell | Other | — | 3 | ~1937 |
| George Tardieu | Other | — | 47 | ~1893 |
| J Knowles | Other | — | 51 | ~1889 |
| Kulah Howard | Other | — | 55 | ~1885 |
| Edmund Lowrie | Son | — | 2 | ~1938 |
| Wilma Eldersveld | Other | — | 24 | ~1916 |
| Muriel Knowles | Daughter | — | 51 | ~1889 |
| Chester Blondell | Head | — | 31 | ~1909 |
| Ann Patterson | Other | — | 26 | ~1914 |
Census Appearances
1920
Wayne, Michigan
Daughter, age 1
Wayne, Michigan · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Wayne, Michigan
Daughter, age 11
Wayne, Michigan · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | MARTIN |
| Given Name | Lois |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | NONE |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Daughter, age 21
Wayne-County, Michigan · implied b. ~1919 — 16 household members
| Surname | Martin |
| Given Name | Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Grosse Ile Isle |
| 1935 Residence (County) | Wayne |
| Income (1939) | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father C Martin (~0.92 confidence) and father Chester Blondell (~0.60 confidence) and father Hugh Martin (~0.92 confidence) and mother Agnes Blondell (~0.60 confidence) and mother Clara Martin (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.79
Father
C Martin
b. ~1891
Source father
● Household
· direct · ~0.92
Father
Chester Blondell
b. ~1909
Source father
● Household
· direct · ~0.6
Father
Hugh Martin
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Agnes Blondell
b. ~1916
Source mother
● Household
· direct · ~0.6
Mother
Clara Martin
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lois Martin
Daughter · 1940 · age 21 · b. ~1919 · Michigan
★ You are viewing this record
Sibling
Muriel Knowles
Sibling · 1940 · age 51
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jack Smith
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edmund Lowrie
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hugh Martin
Sibling · 1940 · age 19
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 — Wayne-County, Michigan
Open full size
1940 US Federal Census — Wayne-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01828-00438)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Donald Blalock | 41 | Head | Ship Carpenter | Ohio |
| 2 | Mary Blalock | 39 | Wife | — | Ohio |
| 3 | Irene Wilgress | 16 | Niece | — | Michigan |
| 4 | Frank Jones | 76 | Uncle | — | Ohio |
| 5 | Mildred Utz | 37 | Daughter | Stenographer | New York |
| 6 | Frances Lundell | 11 | Daughter | — | Michigan |
| 7 | Naomi Sawyer | 17 | Daughter | — | New Jersey |
| 8 | Whitney Sawyer | 10 | Son | — | Ohio |
| 9 | Jim Callahan | 16 | Son | — | Michigan |
| 10 | Alice Ann Ward | 15 | Daughter | — | Michigan |
| 11 | Albert Baumier | 41 | Head | Carpenter | Michigan |
| 12 | Frances Baumier | 37 | Wife | — | Michigan |
| 13 | Albert Jr. Baumier | 16 | Son | — | Michigan |
| 14 | Mary Baumier | 7 | Daughter | — | Michigan |
| 15 | Albert Beauvais | 35 | Son-in-law | Carpenter | Michigan |
| 16 | Chester Blondell | 31 | Head | Fireman | Virginia |
| 17 | Agnes Blondell | 24 | Wife | — | Virginia |
| 18 | Beulah Blondell | 3 | Niece | — | Kentucky |
| 19 | Edmund Jr. Lowrie | 2 | Son | — | Michigan |
| 20 | J. Kenneth Knowles | 51 | Son-in-law | Salesman | Bahamas |
| 21 | Muriel Knowles | 51 | Daughter | — | Canada English |
| 22 | Jack Jr. Smith | 3 | Son | — | Michigan |
| 23 | Lois Martin THIS PERSON | 21 | Daughter | — | Michigan |
| 24 | Hugh Martin | 19 | Son | — | Michigan |
| 25 | Ann Leonard | 75 | Mother-in-law | — | England |
| 26 | Kulah Howard | 55 | Housemaid | Nursemaid | Indiana |
| 27 | George Tardieu | 47 | Brother-in-law | Bottler | Michigan |
| 28 | Ann C. Patterson | 26 | Lodger | Teacher | Michigan |
| 29 | Marcella Keppelo | 27 | Lodger | Teacher | Michigan |
| 30 | Wilma Eldersveld | 24 | Lodger | Teacher | Michigan |
| 31 | Mabel C. Prisetti | 31 | Lodger | Teacher | Michigan |
| 32 | Winnie B. Leitch | 71 | Head | — | Michigan |
| 33 | Leslie G. Schmiedeke | 34 | Head | Locomotive Mechanic | Michigan |
| 34 | Lucille Schmiedeke | 28 | Wife | — | Michigan |
| 35 | Leslie Jr. Schmiedeke | 1 | Son | — | Michigan |
| 36 | Harley Sweers | 31 | Head | — | Michigan |
| 37 | Florence Sweers | 38 | Wife | — | Michigan |
| 38 | Sandra Sweers | 2 | Daughter | — | Michigan |
| 39 | Marion Lemke | 19 | Stepdaughter | — | Michigan |
| 40 | Richard Lemke | 17 | Stepson | Laborer | Michigan |
Pedigree Summary
Lois + 4 siblings
Gen 1 · 5 parents
~0.79
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)