RM
Ralph Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Luzerne-County, Pennsylvania
Our Model Tree links this Ralph Martin across the 1920, 1930 and 1940 US Censuses in Luzerne-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Ralph & Elmer — first a head (b.~1906), then head of a 4-person household.
Age 34
b. ~1906
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Luzerne-County, Pennsylvania |
| Surname | Martin |
| Given Name | Ralph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Hanover Twp |
| 1935 Residence (County) | Luzerne |
| Additional Details | |
| Occupation | Labor |
| Industry | Coal Mine |
| Class of Worker | PW |
| Hours Worked | 21 |
| Income (1939) | 35 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Labor |
| Township / Ward | Hanover Twp |
| Est. Birth Year | ~1906 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ralph | Age | Birth yr |
|---|---|---|---|---|
| Lilly Martin | Spouse | — | 34 | ~1906 |
| James Martin | Son | — | 4 | ~1936 |
| Ralph Martin | Head | — | 34 | ~1906 |
| Raymond Martin | Son | — | 2 | ~1938 |
Census Appearances
1920
Luzerne, Pennsylvania
Son, age 15
Luzerne, Pennsylvania · implied b. ~1905 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Luzerne, Pennsylvania
Son, age 26
Luzerne, Pennsylvania · implied b. ~1904 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Ralph E. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Railroad Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Luzerne-County, Pennsylvania
Head, age 34
Luzerne-County, Pennsylvania · implied b. ~1906 — 4 household members
| Surname | Martin |
| Given Name | Ralph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Hanover Twp |
| 1935 Residence (County) | Luzerne |
| Occupation | Labor |
| Industry | Coal Mine |
| Class of Worker | PW |
| Hours Worked | 21 |
| Income (1939) | 35 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Ralph Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ralph Martin (~0.92 confidence) and father Elmer Martin (~0.92 confidence) and mother Anna Martin (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ralph Martin
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Elmer Martin
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Anna Martin
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ralph Martin
Head · 1940 · age 34 · b. ~1906 · Pennsylvania
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Luzerne-County, Pennsylvania
Open full size
1940 US Federal Census — Luzerne-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03551-00831)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Henry W. Jones | 45 | Head | Labor | Pennsylvania |
| 42 | Jessie Jones | 45 | Wife | — | Pennsylvania |
| 43 | Marion R. Jones | 18 | Daughter | New Worker | Pennsylvania |
| 44 | Charles D. Jones | 16 | Son | — | Pennsylvania |
| 45 | Ernest Cunnahon | Cunnakon | 48 | Head | Labor | Pennsylvania |
| 46 | Inza Cunnahon | Cunnakon | 49 | Wife | — | Pennsylvania |
| 47 | Arthur Cunnahon | Cunnakon | 23 | Son | New Worker | Pennsylvania |
| 48 | Helen Cunnahon | Cunnakon | 21 | Son | Labor | Pennsylvania |
| 49 | Ruth Cunnahon | Cunnakon | 15 | Daughter | — | Pennsylvania |
| 50 | Henry P. Streepey | 58 | Head | — | Pennsylvania |
| 51 | Beatrice Streepey | 43 | Wife | — | Pennsylvania |
| 52 | Samuel Streepey | 25 | Son | Clerk | Pennsylvania |
| 53 | Russell Streepey | 23 | Son | Labor | Pennsylvania |
| 54 | Eleanor Streepey | 21 | Daughter | Labor | Pennsylvania |
| 55 | June Streepey | 19 | Daughter | — | Pennsylvania |
| 56 | Donald Streepey | 11 | Son | — | Pennsylvania |
| 57 | Albert Clark | 37 | Brother | Fireman | Pennsylvania |
| 58 | Glenn Field | 20 | Nephew | New Worker | Pennsylvania |
| 59 | Daniel Thomas | 45 | Head | Fireman | Pennsylvania |
| 60 | Sadie Thomas | 43 | Wife | — | Pennsylvania |
| 61 | Olive Jean Thomas | 18 | Daughter | — | Pennsylvania |
| 62 | Daniel Jr. Thomas | 15 | Son | — | Pennsylvania |
| 63 | Arnold Thomas | 13 | Son | — | Pennsylvania |
| 64 | Ralph Martin THIS PERSON | 34 | Head | Labor | Pennsylvania |
| 65 | Lilly Martin | 34 | Wife | — | Pennsylvania |
| 66 | James Martin | 4 | Son | — | Pennsylvania |
| 67 | Raymond Martin | 2 | Son | — | Pennsylvania |
| 68 | Fred Franz | 56 | Head | Salesman | Pennsylvania |
| 69 | Anna Franz | 53 | Wife | — | Pennsylvania |
| 70 | Fred Franz | 15 | Son | — | Pennsylvania |
| 71 | Sophia Franz | 28 | Daughter | — | Pennsylvania |
| 72 | Olin Ruch | 33 | Lodger | Smoker | Pennsylvania |
| 73 | Patrick Mcmanemon | 55 | Head | Fireman | Pennsylvania |
| 74 | Catherine Mcmanemon | 52 | Wife | — | Pennsylvania |
| 75 | Winifred Mcmanemon | 25 | Daughter | Bookkeeper | Pennsylvania |
| 76 | Marguerite Mcmanemon | 30 | Daughter | Telephone Operator | Pennsylvania |
| 77 | Harry Vital | 26 | Head | Knitter | Pennsylvania |
| 78 | Mary Vital | 25 | Wife | — | Pennsylvania |
| 79 | Mary Vital | 1 | Daughter | — | Pennsylvania |
| 80 | Berton Jr. Brielis | 45 | Head | Janitor | Pennsylvania |
Pedigree Summary
Ralph
Gen 1 · 3 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)