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Betty Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Denver-County, Colorado
Our Model Tree links this Betty Martin across the 1930 and 1940 US Censuses in Denver-County, Colorado (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 10-person household.
Age 17
b. ~1923
Female
Daughter
Born: Nebraska
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Denver-County, Colorado |
| Surname | Martin |
| Given Name | Betty N. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Nebraska |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Nichols |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Nebraska |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
| Township / Ward | City Of Denver |
| Est. Birth Year | ~1923 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Betty | Age | Birth yr |
|---|---|---|---|---|
| Hugh Martin | Son | — | 18 | ~1922 |
| Sina Martin | Spouse | — | 44 | ~1896 |
| Alice Martin | Daughter | — | 13 | ~1927 |
| Howard O-Day | Other | — | 15 | ~1925 |
| Flora Martin | Daughter | — | 14 | ~1926 |
| Betty Martin | Daughter | — | 17 | ~1923 |
| Russell Dickerson | Other | — | 20 | ~1920 |
| James Martin | Son | — | 8 | ~1932 |
| Hugh Martin | Head | — | 54 | ~1886 |
| William Trimell | Other | — | 20 | ~1920 |
Census Appearances
1930
Denver, Colorado
Daughter, age 7
Denver, Colorado · implied b. ~1923 — 4 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 | 7 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Nebraska |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1940
Denver-County, Colorado
Daughter, age 17
Denver-County, Colorado · implied b. ~1923 — 10 household members
| Surname | Martin |
| Given Name | Betty N. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Nebraska |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Nichols |
| Income (1939) | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Nebraska |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
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 17 · b. ~1923 · Colorado
★ You are viewing this record
Sibling
James Martin
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Flora Martin
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Martin
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hugh Martin
Sibling · 1940 · age 18
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 — Denver-County, Colorado
Open full size
1940 US Federal Census — Denver-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00492-00486)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George D. Lalum | 29 | Head | Hard Floor Finisher | Wyoming |
| 2 | Annie Bell Lalum | 24 | Wife | — | Nebraska |
| 3 | Lois L. Lalum | 8 | Daughter | — | Wyoming |
| 4 | David S. Lalum | 2 | Son | — | Colorado |
| 5 | Theodore J. Bohlenberger | 28 | Head | Laborer | Kansas |
| 6 | Lela L. Bohlenberger | 28 | Wife | — | Kansas |
| 7 | Joyce C. Bohlenberger | 5 | Daughter | — | Kansas |
| 8 | Ruth P. Bohlenberger | 4 | Son | — | Colorado |
| 9 | Clarence M. Tibbs | 32 | Head | Insulator | Kansas |
| 10 | Elizabeth M. Tibbs | 30 | Wife | — | Kansas |
| 11 | Ruth S. Tibbs | 2 | Daughter | — | Colorado |
| 12 | Rita M. Tibbs | 1 | Daughter | — | Colorado |
| 13 | Gilbert L. Belcott | 30 | Head | Hodcarrier | Iowa |
| 14 | Lillian D. Belcott | 28 | Wife | — | Kansas |
| 15 | Jean M. Belcott | 7 | Son | — | Kansas |
| 16 | Naomi C. Belcott | 5 | Daughter | — | Kansas |
| 17 | Florence J. Belcott | 1 | Daughter | — | Kansas |
| 18 | Joe Miller | 38 | Head | Truck Driver | Nebraska |
| 19 | Loretta J. Miller | 37 | Wife | — | Nebraska |
| 20 | Elmer M. Miller | 17 | Son | Truck Driver | Nebraska |
| 21 | Betty J. Miller | 16 | Daughter | Waitress | Nebraska |
| 22 | Gerald M. Miller | 13 | Son | — | Nebraska |
| 23 | Shirley A. Miller | 11 | Daughter | — | Nebraska |
| 24 | Emma S. Bassett | 45 | Head | Seamstress | Georgia |
| 25 | Mary Ellen Bassett | 16 | Daughter | — | Colorado |
| 26 | William Chamberlain | 37 | Head | Painter | So. Dakota |
| 27 | Hugh H. Martin | 54 | Head | Laborer | Nebraska |
| 28 | Sina A. Martin | 44 | Wife | — | Nebraska |
| 29 | Hugh H. Jr. Martin | 18 | Son | — | Nebraska |
| 30 | Betty N. Martin THIS PERSON | 17 | Daughter | — | Nebraska |
| 31 | Flora J. Martin | 14 | Daughter | — | Nebraska |
| 32 | Alice M. Martin | 13 | Daughter | — | Nebraska |
| 33 | James R. Martin | 8 | Son | — | Nebraska |
| 34 | Russell Dickerson | 20 | Lodger | Laborer | Nebraska |
| 35 | Howard J. O-Day | 15 | Lodger | Delivery | Nebraska |
| 36 | William Trimell | 20 | Lodger | Truck Driver | Oklahoma |
| 37 | Russell Duffort | 28 | Head | Laborer | Nebraska |
| 38 | Rosie D. Duffort | 22 | Wife | — | Kansas |
| 39 | Alice Lee Duffort | 57 | Mother | Miner | Nebraska |
| 40 | Carl J. D. Steffen | 25 | Head | Weather Stripper | Colorado |
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)