RM
Ralph Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Pierce-County, Washington
Our Model Tree links this Ralph Martin across the 1920, 1930 and 1940 US Censuses in Pierce-County, Washington (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1895), then head of a 2-person household.
Age 45
b. ~1895
Male
Son
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Pierce-County, Washington |
| Surname | Martin |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Tacoma |
| 1935 Residence (County) | Pierce |
| Additional Details | |
| Occupation | Laborer W.P.A. |
| Industry | Air-Port Project |
| Class of Worker | GW |
| Income (1939) | 788 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Laborer W.P.A. |
| Township / Ward | Tacoma |
| Est. Birth Year | ~1895 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ralph | Age | Birth yr |
|---|---|---|---|---|
| Jennie Martin | Head | — | 70 | ~1870 |
| Ralph Martin | Son | — | 45 | ~1895 |
Census Appearances
1920
Pierce, Washington
Son, age 25
Pierce, Washington · implied b. ~1895 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Ralph W. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Wisconsin |
| Occupation | Laborer |
| Industry | shipyard |
| Class of Worker | w |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Pierce, Washington
Son, age 36
Pierce, Washington · implied b. ~1894 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Wisconsin |
| Occupation | Laborer |
| Industry | Odd jobs |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Pierce-County, Washington
Son, age 45
Pierce-County, Washington · implied b. ~1895 — 2 household members
| Surname | Martin |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Tacoma |
| 1935 Residence (County) | Pierce |
| Occupation | Laborer W.P.A. |
| Industry | Air-Port Project |
| Class of Worker | GW |
| Income (1939) | 788 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 John Martin (~0.92 confidence) and father John Martin (~0.92 confidence) and mother Jennie Martin (~0.92 confidence) and mother Jennie Martin (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Martin
b. ~1858
Source father
● Household
· direct · ~0.92
Father
John Martin
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Jennie Martin
b. ~1870
Source mother
● Household
· direct · ~0.92
Mother
Jennie Martin
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ralph Martin
Son · 1940 · age 45 · b. ~1895 · Washington
★ 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 — Pierce-County, Washington
Open full size
1940 US Federal Census — Pierce-County, Washington
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-04389-00352)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ralph Venderico | 14 | Son | — | Washington |
| 42 | Catherine Venderico | 12 | Daughter | — | Washington |
| 43 | Frank Petty | 35 | In-law | Laborer | Washington |
| 44 | Henrietta Coutch | 40 | Head | — | Minnesota |
| 45 | Leonard Coutch | 19 | Son | Stenographer | California |
| 46 | Evelyn Coutch | 17 | Daughter | — | Washington |
| 47 | Peter C. Stevens | 51 | Head | Bridge Tender | Minnesota |
| 48 | Louise R. Stevens | 52 | Wife | — | Minnesota |
| 49 | Roy Clifford Stevens | 21 | Son | — | Washington |
| 50 | Pauline Stevens | 84 | Mother | — | Norway |
| 51 | Norman Cromarty | 16 | Boarder | — | California |
| 53 | Sydney Winchester | 46 | Head | Sprigger - Upper | Washington |
| 54 | Mabel Winchester | 32 | Wife | — | Iowa |
| 55 | Robert Mccartney | 12 | Son | — | Spokane |
| 56 | Imogene Mccartney | 10 | Daughter | — | Spokane |
| 57 | Charles F. Carlson | 74 | Head | — | Minnesota |
| 58 | Mary Mann | 59 | Housekeeper | Housekeeper | Minnesota |
| 60 | Jennie Martin | 70 | Head | — | Wisconsin |
| 61 | Ralph Martin THIS PERSON | 45 | Son | Laborer W.P.A. | Wisconsin |
| 62 | Harry Hellman | 73 | Head | — | Michigan |
| 63 | Oscar Lundin | 30 | Head | Truckswamp | South Dakota |
| 64 | Nathiel Lundin | 27 | Wife | — | Oregon |
| 65 | Patsy Lundin | 10 | Daughter | — | Washington |
| 66 | Clarence Lundin | 8 | Son | — | Washington |
| 67 | Earl C. Williams | 40 | Head | Yard Conductor | Illinois |
| 68 | Iva Williams | 33 | Wife | — | Sweden |
| 69 | Lucille Marie Williams | 11 | Daughter | — | North Dakota |
| 70 | George Leonard Williams | 9 | Son | — | North Dakota |
| 71 | M. Jane Williams | 2 | Daughter | — | Washington |
| 72 | Arlene H. Williams | 0 | Daughter | — | Washington |
| 73 | Jennie Woolley | 42 | Servant | Servant | California |
| 74 | Charles Tierman | 50 | Head | Laborer | South Dakota |
| 75 | Frances M. Tierman | 53 | Wife | — | Washington |
| 76 | Alyne Innis | 15 | In-law | — | Iowa |
| 77 | John T. Secrist | 69 | Brother-in-law | Gate Tender | Iowa |
| 78 | Whitelaw Fithrow | 47 | Head | Truck Driver | North Carolina |
| 79 | Esther Fithrow | 40 | Wife | — | Sweden |
| 80 | Myrtle Fithrow | 19 | Daughter | Private Secretary | Washington |
Pedigree Summary
Ralph
Gen 1 · 4 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)