HM
Helen Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Nicholas-County, West Virginia
Our Model Tree links this Helen Martin across the 1920, 1930 and 1940 US Censuses in Nicholas-County, West Virginia (XGBoost, ~Confirmed), with identified parents John & Thomas — first a daughter (b.~1920), then head of a 10-person household.
Age 20
b. ~1920
Female
Daughter
Born: West Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Nicholas-County, West Virginia |
| Surname | Martin |
| Given Name | Helen M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | West Virginia |
| 1935 Residence (City) | Richwood City |
| 1935 Residence (County) | Nicholas |
| Additional Details | |
| Occupation | Maid |
| Industry | Private home |
| Class of Worker | PW |
| Hours Worked | 26 |
| Income (1939) | 72 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
| Occupation | Maid |
| Township / Ward | Richwood City |
| Est. Birth Year | ~1920 |
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 Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen Martin | Daughter | — | 20 | ~1920 |
| Dorothy Martin | Daughter | — | 8 | ~1932 |
| Wilma Martin | Daughter | — | 7 | ~1933 |
| Eloise Martin | Daughter | — | 10 | ~1930 |
| John Martin | Head | — | 58 | ~1882 |
| Virginia Seabolt | Other | — | 62 | ~1878 |
| William Martin | Son | — | 3 | ~1937 |
| Roy Martin | Son | — | 15 | ~1925 |
| Stanley Martin | Son | — | 13 | ~1927 |
| Effie Martin | Spouse | — | 37 | ~1903 |
Census Appearances
1920
Nicholas, West …
Daughter, age
Nicholas, West Virginia · implied b. ~1920 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Hellen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | West Virginia |
| Father's Birthplace | West Virginia |
| Mother's Birthplace | West Virginia |
| Speaks English | none |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
1930
Nicholas, West …
Daughter, age 10
Nicholas, West Virginia · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Helen M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | West Virginia |
| Father's Birthplace | West Virginia |
| Mother's Birthplace | West Virginia |
| Can Read/Write | Yes |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
1940
Nicholas-County, West …
Daughter, age 20
Nicholas-County, West Virginia · implied b. ~1920 — 10 household members
| Surname | Martin |
| Given Name | Helen M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | West Virginia |
| 1935 Residence (City) | Richwood City |
| 1935 Residence (County) | Nicholas |
| Occupation | Maid |
| Industry | Private home |
| Class of Worker | PW |
| Hours Worked | 26 |
| Income (1939) | 72 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
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 Helen Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Martin (~0.92 confidence) and father Thomas Martin (~0.92 confidence) and father Tony Martin (~0.92 confidence) and mother Addie Martin (~0.92 confidence) and mother Effie Martin (~0.92 confidence) and mother Adda Martin (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Martin
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Thomas Martin
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Tony Martin
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Addie Martin
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Effie Martin
b. ~1903
Source mother
● Household
· direct · ~0.92
Mother
Adda Martin
b. ~1904
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Martin
Daughter · 1940 · age 20 · b. ~1920 · West Virginia
★ You are viewing this record
Sibling
Wilma Martin
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Martin
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stanley Martin
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roy Martin
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Martin
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eloise Martin
Sibling · 1940 · age 10
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 — Nicholas-County, West Virginia
Open full size
1940 US Federal Census — Nicholas-County, West Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04435-00050)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John T. Martin | 58 | Head | Laborer | West Virginia |
| 2 | Effie B. Martin | 37 | Wife | — | West Virginia |
| 3 | Helen M. Martin THIS PERSON | 20 | Daughter | Maid | West Virginia |
| 4 | Roy J. Martin | 15 | Son | — | West Virginia |
| 5 | Stanley S. Martin | 13 | Son | — | West Virginia |
| 6 | Eloise A. Martin | 10 | Daughter | — | West Virginia |
| 7 | Dorothy J. Martin | 8 | Daughter | — | West Virginia |
| 8 | Wilma G. Martin | 7 | Daughter | — | West Virginia |
| 9 | William D. Martin | 3 | Son | — | West Virginia |
| 10 | Virginia Seabolt | 62 | Mother in law | — | Virginia |
| 11 | Floyd F. Liparomb | 42 | Head | Edgerman | West Virginia |
| 12 | Helen G. Liparomb | 16 | Daughter | — | West Virginia |
| 13 | Gertrude Sears | 28 | Cousin | — | West Virginia |
| 14 | Erma K. Sears | 39 | Head | Homeworker | West Virginia |
| 15 | Thelma D. Sears | 19 | Daughter | Maid | West Virginia |
| 16 | Edith Sears | 10 | Daughter | — | West Virginia |
| 17 | John S. Sears | 9 | Son | — | West Virginia |
| 18 | Richard B. Sears | 8 | Son | — | West Virginia |
| 19 | Robert L. Sears | 4 | Son | — | West Virginia |
| 20 | Betty R. Sears | 3 | Daughter | — | West Virginia |
| 21 | Patricia J. Seward | 0 | Daughter | — | West Virginia |
| 22 | George W. Douglas | 45 | Head | Water Carrier | West Virginia |
| 23 | Helen A. Douglas | 23 | Daughter | New Worker | West Virginia |
| 24 | Pauline D. Douglas | 21 | Daughter | — | West Virginia |
| 25 | Juanita Douglas | 16 | Daughter | — | West Virginia |
| 26 | Gracie L. Douglas | 14 | Daughter | — | West Virginia |
| 27 | Bernice Douglas | 10 | Daughter | — | West Virginia |
| 28 | Phyllis J. Douglas | 3 | Daughter | — | West Virginia |
| 29 | Thomas Jr. Chambers | 4 | Son | — | West Virginia |
| 30 | William J. Chambers | 3 | Grandson | — | West Virginia |
| 31 | William J. Martin | 58 | Head | Unloader | West Virginia |
| 32 | Prudence K. Martin | 42 | Wife | — | West Virginia |
| 33 | Rosie G. Liparomb | 20 | Daughter | New Worker | West Virginia |
| 34 | Charles H. Liparomb | 19 | Foster son | — | West Virginia |
| 35 | Harland H. Liparomb | 15 | Foster son | — | West Virginia |
| 36 | Glenn F. Liparomb | 12 | Foster son | — | West Virginia |
| 37 | Polly J. Liparomb | 1 | Foster grand daughter | — | West Virginia |
| 38 | Thomas J. Cunningham | 76 | Head | — | West Virginia |
| 39 | Mamie M. Butler | 32 | Head | Private Home | West Virginia |
| 40 | Mary B. Cunningham | 15 | Daughter | — | West Virginia |
Pedigree Summary
Helen + 6 siblings
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
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)