BM
Betty Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Johnson-County, Kansas
Our Model Tree links this Betty Martin across the 1930 and 1940 US Censuses in Johnson-County, Kansas (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 8-person household.
Age 14
b. ~1926
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Johnson-County, Kansas |
| Surname | Martin |
| Given Name | Betty May |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Shawnee City |
| 1935 Residence (County) | Johnson |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Shawnee City |
| Est. Birth Year | ~1926 |
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 Betty | Age | Birth yr |
|---|---|---|---|---|
| Gottfried Martin | Head | — | 54 | ~1886 |
| Betty Martin | Daughter | — | 14 | ~1926 |
| Benjamin Martin | Son | — | 18 | ~1922 |
| Jeanette Martin | Daughter | — | 7 | ~1933 |
| Mary Martin | Daughter | — | 19 | ~1921 |
| Martha Martin | Daughter | — | 12 | ~1928 |
| Richard Martin | Son | — | 2 | ~1938 |
| Katherine Martin | Spouse | — | 49 | ~1891 |
Census Appearances
1930
Johnson, Kansas
Daughter, age 5
Johnson, Kansas · implied b. ~1925 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Betty M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Johnson-County, Kansas
Daughter, age 14
Johnson-County, Kansas · implied b. ~1926 — 8 household members
| Surname | Martin |
| Given Name | Betty May |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Shawnee City |
| 1935 Residence (County) | Johnson |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Betty Martin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Betty Martin
Daughter · 1940 · age 14 · b. ~1926 · Kansas
★ You are viewing this record
Sibling
Benjamin Martin
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Martin
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Martin
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Martin
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jeanette Martin
Sibling · 1940 · age 7
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 — Johnson-County, Kansas
Open full size
1940 US Federal Census — Johnson-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01237-00739)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Karl F. O. Mange | 52 | Head | Carpenter | Indiana |
| 2 | Maria Maier | 48 | Wife | Private Secretary | Missouri |
| 3 | Marion V. Maier | 17 | Daughter | — | Missouri |
| 4 | Shirley E. Maier | 15 | Daughter | — | Missouri |
| 5 | Paul L. O. Huff | 23 | Head | Feed Salesman | Kansas |
| 6 | Helen Huff | 21 | Wife | — | Kansas |
| 7 | Joyce M. Huff | 2 | Son | — | Kansas |
| 8 | Paul L. Huff | 0 | Son | — | Kansas |
| 9 | Earl R. Leistman | 39 | Head | Coal Dealer | Michigan |
| 10 | Emma Leistman | 44 | Wife | — | Kansas |
| 11 | Morris Huff | 16 | Son | — | Kansas |
| 12 | Fern Huff | 14 | Daughter | — | Kansas |
| 13 | Arthur Leistman | 10 | Son | — | Kansas |
| 14 | Francis Leistman | 5 | Daughter | — | Kansas |
| 15 | William H. Palmer | 29 | Head | Truck Driver | Missouri |
| 16 | Florence O. Palmer | 22 | Wife | — | Kansas |
| 17 | Bobbie L. Palmer | 2 | Daughter | — | Kansas |
| 18 | Phylis J. Palmer | 0 | Daughter | — | Kansas |
| 19 | Andrew G. Striegel | 54 | Head | Proprietor | Kansas |
| 20 | Margaret Striegel | 50 | Wife | — | Kansas |
| 21 | Gottfried O. Martin | 54 | Head | Proprietor | Russia |
| 22 | Katherine Martin | 49 | Wife | — | Russia |
| 23 | Mary E. Martin | 19 | Daughter | Housemaid | Missouri |
| 24 | Benjamin Martin | 18 | Son | — | Missouri |
| 25 | Betty May Martin THIS PERSON | 14 | Daughter | — | Missouri |
| 26 | Martha M. Martin | 12 | Daughter | — | Missouri |
| 27 | Jeanette J. Martin | 7 | Daughter | — | Kansas |
| 28 | Richard L. Martin | 2 | Son | — | Kansas |
| 29 | William H. Heaton | 59 | Head | Owner | Kansas |
| 30 | Myrtle Heaton | 38 | Wife | Chief Operator | Kansas |
| 31 | Thomas W. Davis | 55 | Head | Proprietor Owner | Kansas |
| 32 | Florence M. Davis | 57 | Wife | — | Kansas |
| 33 | Helen Osborne | 25 | Daughter | — | Kansas |
| 34 | Helen J. Osborne | 6 | Granddaughter | — | Kansas |
| 35 | Barbie A. Osborne | 2 | Granddaughter | — | Kansas |
| 36 | Albert L. Pierson | 41 | Head | Proprietor | Illinois |
| 37 | Mildred Pierson | 40 | Wife | — | Iowa |
| 38 | Donald L. Pierson | 16 | Son | — | Louisiana |
| 39 | Harold V. Pierson | 14 | Son | — | Kansas |
| 40 | Eleanor M. Pierson | 13 | Daughter | — | Kansas |
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)