LM
Lucy Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Imperial-County, California
Our Model Tree links this Lucy Martin across the 1930 and 1940 US Censuses in Imperial-County, California (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 7-person household.
Age 16
b. ~1924
Female
Daughter
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Imperial-County, California |
| Surname | Martin |
| Given Name | Lucy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | J. T. 4 |
| 1935 Residence (County) | Imperial |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | J T 4 |
| Est. Birth Year | ~1924 |
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 Lucy | Age | Birth yr |
|---|---|---|---|---|
| Evan Martin | Head | — | 48 | ~1892 |
| Anna Martin | Daughter | — | 14 | ~1926 |
| Lucy Martin | Daughter | — | 16 | ~1924 |
| Carl Martin | Son | — | 6 | ~1934 |
| Burt Martin | Son | — | 18 | ~1922 |
| Dale Martin | Son | — | 10 | ~1930 |
| Almedia Martin | Spouse | — | 38 | ~1902 |
Census Appearances
1930
Imperial, California
Daughter, age 6
Imperial, California · implied b. ~1924 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Lucy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Imperial-County, California
Daughter, age 16
Imperial-County, California · implied b. ~1924 — 7 household members
| Surname | Martin |
| Given Name | Lucy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | J. T. 4 |
| 1935 Residence (County) | Imperial |
| Class of Worker | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
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 Lucy Martin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lucy Martin
Daughter · 1940 · age 16 · b. ~1924 · California
★ You are viewing this record
Sibling
Anna Martin
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Martin
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dale Martin
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Burt Martin
Sibling · 1940 · age 18
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 — Imperial-County, California
Open full size
1940 US Federal Census — Imperial-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00210-00376)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harry Wavra | 32 | Head | Manager | South Dakota |
| 2 | Clara Wavra | 27 | Wife | — | Nebraska |
| 3 | Catherine Wavra | 5 | Daughter | — | California |
| 4 | William Mckinley | 27 | Head | Electrical Welder | California |
| 5 | Rose Mckinley | 23 | Wife | — | California |
| 6 | John William Mckinley | 1 | Son | — | California |
| 7 | Linda Mckinley | 0 | Daughter | — | California |
| 8 | Julia Seeley | 55 | Mother-in-law | Practical Nurse | Minnesota |
| 9 | Claude F Austin | 43 | Head | Bee Keeper | Michigan |
| 10 | Mary A Austin | 38 | Wife | — | Illinois |
| 11 | Robert W Austin | 14 | Son | — | California |
| 12 | James Austin | 13 | Son | — | California |
| 13 | Roy Austin | 11 | Son | — | California |
| 14 | Ralph Austin | 9 | Son | — | California |
| 15 | Jannette Austin | 6 | Daughter | — | California |
| 16 | Ellen Elizabeth Austin | 3 | Daughter | — | California |
| 17 | Laverne Austin Jr | 35 | Head | Bee Keeper | California |
| 18 | Alex Mcintosh | 46 | Head | Laborer | Missouri |
| 19 | Dora Mcintosh | 47 | Wife | — | Texas |
| 20 | Richard Burnett | 31 | Head | Laborer | Texas |
| 21 | Muriel Burnett | 30 | Wife | Practical Nurse | Colorado |
| 22 | Herbert Ejanks | 29 | Head | Manager | Arkansas |
| 23 | Dorothy Ejanks | 25 | Wife | — | Arkansas |
| 24 | Orbia Ejanks | 6 | Son | — | Arkansas |
| 25 | Bonnie Ejanks | 1 | Daughter | — | California |
| 26 | M. S. Garcia | 27 | Head | Manager | Mexico |
| 27 | Helen Garcia | 22 | Wife | — | Texas |
| 28 | F. Tia Rodriguez | 53 | Head | — | Mexico |
| 29 | Gabriel Rodriguez | 14 | Son | — | California |
| 30 | Joseph Aguayo | 53 | Head | Owner | California |
| 31 | Alice Aguayo | 12 | Daughter | — | California |
| 32 | Ramona Aguayo | 10 | Daughter | — | California |
| 33 | Samuel Aguayo | 8 | Son | — | California |
| 34 | Evan Martin | 48 | Head | Dairy Carpenter | Illinois |
| 35 | Almedia Martin | 38 | Wife | — | Texas |
| 36 | Burt Martin | 18 | Son | New Worker | California |
| 37 | Lucy Martin THIS PERSON | 16 | Daughter | — | California |
| 38 | Anna Mae Martin | 14 | Daughter | — | California |
| 39 | Dale Martin | 10 | Son | — | California |
| 40 | Carl Martin | 6 | Son | — | California |
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)