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Betty Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Delaware-County, Indiana
Our Model Tree links this Betty Martin across the 1930 and 1940 US Censuses in Delaware-County, Indiana (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 8-person household.
Age 10
b. ~1930
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Indiana |
| Surname | Martin |
| Given Name | Betty J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Muncie City |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Muncie City |
| Est. Birth Year | ~1930 |
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 |
|---|---|---|---|---|
| Margaret Martin | Daughter | — | 2 | ~1938 |
| Lois Martin | Daughter | — | 4 | ~1936 |
| Ethel Martin | Spouse | — | 58 | ~1882 |
| Norman Martin | Son | — | 11 | ~1929 |
| Phyllis Martin | Daughter | — | 8 | ~1932 |
| Clarence Martin | Head | — | 53 | ~1887 |
| Ronald Martin | Son | — | 13 | ~1927 |
| Betty Martin | Daughter | — | 10 | ~1930 |
Census Appearances
1930
Delaware, Indiana
Daughter, age 1
Delaware, Indiana · implied b. ~1929 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Betty J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | No |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Delaware-County, Indiana
Daughter, age 10
Delaware-County, Indiana · implied b. ~1930 — 8 household members
| Surname | Martin |
| Given Name | Betty J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Muncie City |
| 1935 Residence (County) | Delaware |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 10 · b. ~1930 · Indiana
★ You are viewing this record
Sibling
Ronald Martin
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phyllis Martin
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lois Martin
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Martin
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Norman Martin
Sibling · 1940 · age 11
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 — Delaware-County, Indiana
Open full size
1940 US Federal Census — Delaware-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01037-00177)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nellie Mcwilliams | 62 | Wife | — | Ohio |
| 2 | James A. Keely | 28 | Head | Inspector | Alabama |
| 3 | Bernice Keely | 30 | Wife | — | Missouri |
| 4 | James Lee Keely | 7 | Son | — | Missouri |
| 5 | Kenneth Dale Keely | 3 | Son | — | Missouri |
| 6 | Henry Cheek | 28 | Head | Laborer | Indiana |
| 7 | Ruby D. Cheek | 24 | Wife | — | Tennessee |
| 8 | Mae D. Stone | 37 | Head | — | Kentucky |
| 9 | Hazel James R. Stone | 20 | Son | — | Indiana |
| 10 | Gerry Lillian Stone | 18 | Daughter | — | Indiana |
| 11 | Hopper Charles Stone | 5 | Son | — | Indiana |
| 12 | Stone Clyde Stone | 3 | Son | — | Indiana |
| 13 | Terry Eugene Stone | 1 | Grandson | — | Indiana |
| 14 | Clarence L. Martin | 53 | Head | Flagman | Indiana |
| 15 | Ethel Martin | 58 | Wife | — | Indiana |
| 16 | Ronald E. Martin | 13 | Son | — | Indiana |
| 17 | Norman Lee Martin | 11 | Son | — | Indiana |
| 18 | Betty J. Martin THIS PERSON | 10 | Daughter | — | Indiana |
| 19 | Phyllis Martin | 8 | Daughter | — | Indiana |
| 20 | Lois Grace Martin | 4 | Daughter | — | Indiana |
| 21 | Margaret Ruth Martin | 2 | Daughter | — | Indiana |
| 22 | Lemuel Adkins | 51 | Head | Laborer | Indiana |
| 23 | Freda Adkins | 49 | Wife | — | Indiana |
| 24 | Lloyd Adkins | 18 | Son | Newswalker | Indiana |
| 25 | Paul Adkins | 15 | Son | — | Indiana |
| 26 | Hazel Adkins | 12 | Daughter | — | Indiana |
| 27 | Belle Adkins | 9 | Daughter | — | Indiana |
| 28 | Preston Neal | 30 | Head | Laborer | Kentucky |
| 29 | Sidney Josephine Neal | 23 | Wife | — | Indiana |
| 30 | Ruth Ann Neal | 5 | Daughter | — | Indiana |
| 31 | Betty Jane Neal | 3 | Daughter | — | Indiana |
| 32 | Bernice L. Neal | 1 | Daughter | — | Indiana |
| 33 | Zora B. Reid | 54 | Head | — | Indiana |
| 34 | Olah Reid | 19 | Son | Truck Driver | Indiana |
| 35 | Frank J. Cafferty | 71 | Head | — | Pennsylvania |
| 36 | Joseph M. Cafferty | 41 | Son | — | Indiana |
| 37 | Raymond F. Cafferty | 34 | Son | Printer | Indiana |
| 38 | Robert Alexander | 32 | Head | Clerical Clerk | Indiana |
| 39 | Ruth A. Alexander | 31 | Wife | — | Indiana |
| 40 | Patsy Kay Alexander | 9 | Daughter | — | Indiana |
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)