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Betty Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lyon-County, Kansas
Our Model Tree links this Betty Martin across the 1930 and 1940 US Censuses in Lyon-County, Kansas (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 9-person household.
Age 11
b. ~1929
Female
Daughter
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lyon-County, Kansas |
| Surname | Martin |
| Given Name | Betty Lou |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Lyon |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Township / Ward | Agnes City Twp |
| Est. Birth Year | ~1929 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Betty | Age | Birth yr |
|---|---|---|---|---|
| Betty Martin | Daughter | — | 11 | ~1929 |
| Lorratta Martin | Daughter | — | 3 | ~1937 |
| Wanda Martin | Daughter | — | 9 | ~1931 |
| Mary Martin | Daughter | — | 1 | ~1939 |
| Reva Martin | Daughter | — | 5 | ~1935 |
| Lorrette Martin | Daughter | — | 3 | ~1937 |
| Louis Martin | Head | — | 39 | ~1901 |
| Lula Martin | Spouse | — | 32 | ~1908 |
| Johnny Martin | Son | — | 7 | ~1933 |
Census Appearances
1930
Lyon, Kansas
Daughter, age 1
Lyon, Kansas · implied b. ~1929 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Betty L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Lyon-County, Kansas
Daughter, age 11
Lyon-County, Kansas · implied b. ~1929 — 9 household members
| Surname | Martin |
| Given Name | Betty Lou |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Lyon |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 11 · b. ~1929 · Kansas
★ You are viewing this record
Sibling
Lorrette Martin
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wanda Martin
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Martin
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Johnny Martin
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lorratta Martin
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Reva Martin
Sibling · 1940 · age 5
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 — Lyon-County, Kansas
Open full size
1940 US Federal Census — Lyon-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01242-00025)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Blackburn | 5 | — | — | Kansas |
| 42 | Louis S. Martin | 39 | Head | Farmer | Kansas |
| 43 | Lula Martin | 32 | Wife | — | Kansas |
| 44 | Betty Lou Martin THIS PERSON | 11 | Daughter | — | Kansas |
| 45 | Wanda Martin | 9 | Daughter | — | Kansas |
| 46 | Johnny Martin | 7 | Son | — | Kansas |
| 47 | Reva Martin | 5 | Daughter | — | Kansas |
| 48 | Lorrette Martin | 3 | Daughter | — | Kansas |
| 49 | Lorratta Martin | 3 | Daughter | — | Kansas |
| 50 | Mary Martin | 1 | Daughter | — | Kansas |
| 51 | William A. Nelson | 78 | Head | Farmer | Ohio |
| 52 | Laretta Nelson | 66 | Wife | — | Illinois |
| 53 | Lee Walker | 53 | Head | Farmer | Kansas |
| 54 | Elsie Walker | 44 | Wife | — | Kansas |
| 55 | Jesse S. Corpening | 52 | Head | Laborer | Kansas |
| 56 | Bertha Corpening | 43 | Wife | — | Indiana |
| 57 | William Corpening | 16 | Son | Laborer | Kansas |
| 58 | Laura Corpening | 15 | Daughter | — | Kansas |
| 59 | Marvin Corpening | 13 | Son | — | Kansas |
| 60 | Donald Corpening | 10 | Son | — | Kansas |
| 61 | James Corpening | 8 | Son | — | Kansas |
| 62 | Gerald Corpening | 6 | Son | — | Kansas |
| 63 | Bernice Corpening | 4 | Daughter | — | Kansas |
| 64 | Victor Corpening | 2 | Son | — | Kansas |
| 65 | Noah Hase | 48 | Head | Farmer | Kansas |
| 66 | Mertie Hase | 46 | Wife | — | Kansas |
| 67 | Merrit Hase | 19 | Son | Laborer | Kansas |
| 68 | Fred Hase | 16 | Son | Laborer | Colorado |
| 69 | Thomas Lewis | 67 | Head | Farmer | England |
| 70 | Minnie Lewis | 65 | Wife | — | Missouri |
| 71 | John Green | 66 | Head | Miner | Pennsylvania |
| 72 | Ray Rowley | 44 | Head | Farmer | Kansas |
| 73 | Harriet Rowley | 43 | Wife | — | Kansas |
| 74 | Harley Rowley | 10 | Son | — | Kansas |
| 75 | Donna Jean Rowley | 7 | Daughter | — | Kansas |
| 76 | Elmer Adolph | 35 | Head | Laborer | Kansas |
| 77 | Goldia Adolph | 34 | Wife | — | Kansas |
| 78 | Theora Adolph | 11 | Daughter | — | Kansas |
| 79 | Genevieve Adolph | 10 | Daughter | — | Kansas |
| 80 | Elmer Jr. Adolph | 7 | Son | — | Kansas |
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)