RM
Ralph Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Blair-County, Pennsylvania
Our Model Tree links this Ralph Martin across the 1920, 1930 and 1940 US Censuses in Blair-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Charles & Maud — first a head (b.~1909), then head of a 3-person household.
Age 31
b. ~1909
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Blair-County, Pennsylvania |
| Surname | Martin |
| Given Name | Ralph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Altoona City |
| 1935 Residence (County) | Blair |
| Additional Details | |
| Occupation | Baker |
| Industry | Wholesale Bakery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 300 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Baker |
| Township / Ward | Altoona City |
| Est. Birth Year | ~1909 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ralph | Age | Birth yr |
|---|---|---|---|---|
| Janet Martin | Daughter | — | 10 | ~1930 |
| Edna Martin | Spouse | — | 29 | ~1911 |
| Ralph Martin | Head | — | 31 | ~1909 |
Census Appearances
1920
Blair, Pennsylvania
Son, age 10
Blair, Pennsylvania · implied b. ~1910 — 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 | 10 |
| 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
Blair, Pennsylvania
Other, age 21
Blair, Pennsylvania · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Ralph |
| Relationship to Head | Brother-in-law |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 20 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Baker |
| Industry | Bakery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 3000 |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Blair-County, Pennsylvania
Head, age 31
Blair-County, Pennsylvania · implied b. ~1909 — 3 household members
| Surname | Martin |
| Given Name | Ralph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Altoona City |
| 1935 Residence (County) | Blair |
| Occupation | Baker |
| Industry | Wholesale Bakery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 300 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same house |
| 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 Charles Martin (~0.92 confidence) and mother Maud Martin (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Martin
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Maud Martin
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ralph Martin
Head · 1940 · age 31 · b. ~1909 · 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 — Blair-County, Pennsylvania
Open full size
1940 US Federal Census — Blair-County, Pennsylvania
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03437-00637)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Richard F. Stoltz | 13 | son | — | Pennsylvania |
| 42 | Marie Stoltz | 8 | daughter | — | Pennsylvania |
| 44 | Frank Berger | 38 | Head | Owner | Russia |
| 45 | Fannie Berger | 32 | Wife | Clerk | Russia |
| 46 | Annette Berger | 12 | daughter | — | Pennsylvania |
| 47 | Irwin Berger | 8 | son | — | Pennsylvania |
| 48 | Maxine Berger | 5 | daughter | — | Pennsylvania |
| 49 | Amelia Duda | 18 | House-keeper | House-Keeper | Pennsylvania |
| 50 | Morris Klott | 69 | Head | Salesman | Austria |
| 51 | Jennie Klott | 62 | Wife | — | New York |
| 52 | Isaac Sallyman | 42 | son-in-law | Salesman | Pennsylvania |
| 53 | Alice Sallyman | 38 | daughter | — | Pennsylvania |
| 54 | Silvia J. Sallyman | 10 | daughter | — | Pennsylvania |
| 55 | James B. Westfall | 45 | Head | Clerk | Pennsylvania |
| 56 | Virginia Westfall | 48 | Wife | — | Pennsylvania |
| 57 | Herman H. Luther | 70 | Head | — | Pennsylvania |
| 58 | Dorothy Luther | 64 | Wife | — | Pennsylvania |
| 59 | William Cochran | 34 | Head | Pipe Fitter | Pennsylvania |
| 60 | Clara Cochran | 44 | Wife | — | Pennsylvania |
| 61 | William Cochran | 7 | son | — | Pennsylvania |
| 62 | George G. Pekala | 38 | Head | Owner | Pennsylvania |
| 63 | Mabel Pekala | 37 | Wife | — | Pennsylvania |
| 64 | George Pekala | 16 | son | — | Pennsylvania |
| 65 | Carroll Pekala | 8 | son | — | Pennsylvania |
| 66 | Patricia Ann Pekala | 5 | daughter | — | Pennsylvania |
| 67 | Charles (Ab) Wertzberger | 46 | Head | Clerk | Pennsylvania |
| 68 | Catherine Wertzberger | 46 | Wife | — | Pennsylvania |
| 69 | Lawrence T. Ivory | 62 | Head | — | Pennsylvania |
| 70 | Catherine Ivory | 63 | Wife | — | Pennsylvania |
| 71 | Ada Mccoy | 19 | House-keeper | House-Keeper | Pennsylvania |
| 72 | John T. O'Brien | 54 | Head | Salesman | Pennsylvania |
| 73 | Catherine R. O'Brien | 47 | Wife | — | Pennsylvania |
| 74 | Albert W. Westfall | 71 | boarder | — | Pennsylvania |
| 75 | Samuel Mittelberg | 51 | Head | Crane-Conductor | Poland |
| 76 | Anne B. Mittelberg | 42 | Wife | — | Russia |
| 77 | Hyman Epstein | 41 | roomer | Collector | Russia |
| 78 | Ralph Martin THIS PERSON | 31 | Head | Baker | Pennsylvania |
| 79 | Edna Martin | 29 | Wife | — | Pennsylvania |
| 80 | Janet Martin | 10 | daughter | — | Pennsylvania |
Pedigree Summary
Ralph
Gen 1 · 2 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)