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Bertha Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Howard-County, Indiana
Our Model Tree links this Bertha Martin across the 1930 and 1940 US Censuses in Howard-County, Indiana (XGBoost, ~Confirmed) — first a spouse (b.~1900), then head of a 9-person household.
Age 40
b. ~1900
Female
Spouse
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Howard-County, Indiana |
| Surname | Martin |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Some House |
| 1935 Residence (County) | Some House |
| Additional Details | |
| Highest Grade | Hs 3 |
| 1935 Residence | Some House |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Kokomo City |
| Est. Birth Year | ~1900 |
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 Bertha | Age | Birth yr |
|---|---|---|---|---|
| Geneva Martin | Daughter | — | 9 | ~1931 |
| Jerry Martin | Son | — | 1 | ~1939 |
| Howard Martin | Son | — | 16 | ~1924 |
| Kellie Martin | Head | — | 45 | ~1895 |
| Kellie Martin | Son | — | 6 | ~1934 |
| Donald Martin | Son | — | 13 | ~1927 |
| Robert Martin | Son | — | 15 | ~1925 |
| Richard Martin | Son | — | 11 | ~1929 |
| Bertha Martin | Spouse | — | 40 | ~1900 |
Census Appearances
1930
Howard, Indiana
Spouse, age 31
Howard, Indiana · implied b. ~1899 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 19 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Howard-County, Indiana
Spouse, age 40
Howard-County, Indiana · implied b. ~1900 — 9 household members
| Surname | Martin |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Some House |
| 1935 Residence (County) | Some House |
| Highest Grade | Hs 3 |
| 1935 Residence | Some House |
| 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 Bertha Martin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Bertha Martin
Spouse · 1940 · age 40 · b. ~1900 · Indiana
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Howard-County, Indiana
Open full size
1940 US Federal Census — Howard-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01054-00211)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Adella Crotie | 32 | Wife | — | Indiana |
| 2 | Wanda Crotie | 13 | Daughter | — | Indiana |
| 3 | Jack Crotie | 12 | Son | — | Indiana |
| 4 | Roscoe Jr Crotie | 2 | Son | — | Indiana |
| 5 | George Young | 45 | Head | Excavator | Indiana |
| 6 | Marie Young | 43 | Wife | — | Indiana |
| 7 | James I Young | 18 | Son | Excavator Helper | Indiana |
| 8 | Roy P Young | 15 | Son | — | Indiana |
| 9 | Mary Martha Young | 3 | Daughter | — | Indiana |
| 10 | Wheeler Russell | 49 | Head | Street Dept | Minnesota |
| 11 | Dorothy Russell | 41 | Wife | — | Indiana |
| 12 | William Russell | 16 | Son | — | Indiana |
| 13 | Virginia Russell | 12 | Daughter | — | Indiana |
| 14 | James Russell | 8 | Son | — | Indiana |
| 15 | Paul Russell | 6 | Son | — | Indiana |
| 16 | Thomas Russell | 4 | Son | — | Indiana |
| 17 | Edward Russell | 2 | Son | — | Indiana |
| 18 | Kellie Martin | 45 | Head | — | Indiana |
| 19 | Bertha Martin THIS PERSON | 40 | Wife | — | Indiana |
| 20 | Howard Martin | 16 | Son | — | Indiana |
| 21 | Robert Martin | 15 | Son | — | Indiana |
| 22 | Donald Martin | 13 | Son | — | Indiana |
| 23 | Richard Martin | 11 | Son | — | Indiana |
| 24 | Geneva Martin | 9 | Daughter | — | Indiana |
| 25 | Kellie Jr Martin | 6 | Son | — | Indiana |
| 26 | Jerry Martin | 1 | Son | — | Indiana |
| 27 | Russell Foutson | 35 | Head | Laborer | Illinois |
| 28 | Lena Foutson | 35 | Wife | — | Indiana |
| 29 | Nellie Foutson | 12 | Daughter | — | Indiana |
| 30 | Ethel Foutson | 9 | Daughter | — | Indiana |
| 31 | Wanda Foutson | 7 | Daughter | — | Indiana |
| 32 | Katherine Foutson | 5 | Daughter | — | Indiana |
| 33 | John Clayton | 53 | Head | Laborer | Indiana |
| 34 | Mary Bridgwater | 53 | Sister | — | Indiana |
| 35 | Ruby Bridgwater | 13 | Neice | — | Michigan |
| 36 | Eva M Bridgwater | 10 | Neice | — | Michigan |
| 37 | Edna Clarke | 40 | Lodger | — | Indiana |
| 38 | John Jr Clarke | 18 | Lodger | — | Indiana |
| 39 | Alice Johnson | 46 | Lodger | Laborer | Indiana |
| 40 | John Mckoone | 40 | Head | Machinist | Wisconsin |
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)