AM
Agnes Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lake-County, Indiana
Our Model Tree links this Agnes Martin across the 1930 and 1940 US Censuses in Lake-County, Indiana (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 8-person household.
Age 18
b. ~1922
Female
Daughter
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lake-County, Indiana |
| Surname | Martin |
| Given Name | Agnes |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Gary City |
| 1935 Residence (County) | Lake |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | Gary City |
| Est. Birth Year | ~1922 |
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 Agnes | Age | Birth yr |
|---|---|---|---|---|
| Helen Martin | Daughter | — | 23 | ~1917 |
| Theresa Klezatner | Daughter | — | 21 | ~1919 |
| Paul Martin | Son | — | 13 | ~1927 |
| Steve Klezatner | Other | — | 22 | ~1918 |
| Edward Martin | Son | — | 16 | ~1924 |
| Agnes Martin | Daughter | — | 18 | ~1922 |
| Theresa Martin | Spouse | — | 46 | ~1894 |
| Paul Martin | Head | — | 48 | ~1892 |
Census Appearances
1930
Lake, Indiana
Daughter, age 8
Lake, Indiana · implied b. ~1922 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Marten |
| Given Name | Agnes |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Czechoslovakia |
| Mother's Birthplace | Czechoslovakia |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Lake-County, Indiana
Daughter, age 18
Lake-County, Indiana · implied b. ~1922 — 8 household members
| Surname | Martin |
| Given Name | Agnes |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Gary City |
| 1935 Residence (County) | Lake |
| Class of Worker | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Agnes Martin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Agnes Martin
Daughter · 1940 · age 18 · b. ~1922 · Indiana
★ You are viewing this record
Sibling
Paul Martin
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Martin
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Martin
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theresa Klezatner
Sibling · 1940 · age 21
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 — Lake-County, Indiana
Open full size
1940 US Federal Census — Lake-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01120-00345)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Irene Czerwinski | 9 | Son | — | Indiana |
| 2 | Nick Czerwinski | 7 | Son | — | Indiana |
| 3 | Nick Tetarczyk | 22 | Son-in-law | Laborer | Indiana |
| 4 | Wanda Tetarczyk | 20 | Step-daughter | — | Indiana |
| 5 | Max Dygus | 52 | Lodger | Laborer | Poland |
| 6 | Mike Moker | 52 | Lodger | Janitor | Russia |
| 7 | Paul Martin | 48 | Head | Pipefitter | Czechoslovakia |
| 8 | Theresa Martin | 46 | Wife | Janitress | Illinois |
| 9 | Helen Ab Martin | 23 | Daughter | — | Ohio |
| 10 | Agnes Martin THIS PERSON | 18 | Daughter | — | New York |
| 11 | Edward Martin | 16 | Son | — | Illinois |
| 12 | Paul Martin | 13 | Son | — | Indiana |
| 13 | Steve Klezatner | 22 | Son-in-law | Checker | Indiana |
| 14 | Theresa Klezatner | 21 | Daughter | Seamstress | Ohio |
| 15 | Burton Johnston | 27 | Head | Tractor Oper. | Indiana |
| 16 | Hannah Johnston | 19 | Wife | — | Indiana |
| 17 | Savage Rossman | 38 | Head | Proprietor | Indiana |
| 18 | Beulah Rossman | 37 | Wife | — | Indiana |
| 19 | Zygmund Blokeha | 45 | Head | Laborer | Czechoslovakia |
| 20 | Marisa Blokeha | 42 | Wife | — | Czechoslovakia |
| 21 | Wladimir Blokeha | 15 | Son | — | Ohio |
| 22 | Norma Blokeha | 14 | Daughter | — | Indiana |
| 23 | Irene Blokeha | 12 | Daughter | — | Indiana |
| 24 | Margaret Blokeha | 6 | Daughter | — | Indiana |
| 25 | Roy Gile | 51 | Head | Machinist | Minnesota |
| 26 | Elsie O Gile | 53 | Wife | — | Indiana |
| 27 | Abner Gile | 21 | Son | Laborer | Indiana |
| 28 | Henry Langbehn | 34 | Head | Riveter | Nebraska |
| 29 | Marie Langbehn | 30 | Wife | — | Illinois |
| 30 | Harry Langbehn | 7 | Son | — | Indiana |
| 31 | Raymond Langbehn | 5 | Son | — | Indiana |
| 32 | George Saeper | 26 | Head | Steel Catcher | Indiana |
| 33 | Minnie Saeper | 25 | Wife | — | Pennsylvania |
| 34 | George Saeper | 6 | Son | — | Indiana |
| 35 | Shirley Saeper | 4 | Daughter | — | Indiana |
| 36 | Nick Malin | 43 | Head | Electrician | Russia |
| 37 | Tillie Malin | 30 | Wife | — | Illinois |
| 38 | Olga Malin | 12 | Daughter | — | Indiana |
| 39 | Lenard Malin | 13 | Son | — | Indiana |
| 40 | Melvin Webster | 34 | Head | Proprietor Manager | Canada-Eng |
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)