RM
Robert Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Robert Martin across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents George & Earle — first a son (b.~1913), then head of a 5-person household.
Age 27
b. ~1913
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Martin |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Lighting Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1300 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Stenographer |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1913 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Carla Martin | Daughter | — | 32 | ~1908 |
| George Martin | Head | — | 60 | ~1880 |
| Robert Martin | Son | — | 27 | ~1913 |
| George Martin | Son | — | 25 | ~1915 |
| Estella Martin | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 6
Allegheny, Pennsylvania · implied b. ~1914 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 16
Allegheny, Pennsylvania · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 27
Allegheny-County, Pennsylvania · implied b. ~1913 — 5 household members
| Surname | Martin |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Occupation | Stenographer |
| Industry | Lighting Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1300 |
| Highest Grade | Hs 4 |
| 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 Robert Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Martin (~0.92 confidence) and father Earle Martin (~0.92 confidence) and father Bernard Martin (~0.92 confidence) and mother Cora Martin (~0.92 confidence) and mother Estella Martin (~0.92 confidence) and mother Laura Martin (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Martin
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Earle Martin
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Bernard Martin
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Cora Martin
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Estella Martin
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Laura Martin
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Martin
Son · 1940 · age 27 · b. ~1913 · Pennsylvania
★ You are viewing this record
Sibling
Carla Martin
Sibling · 1940 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Martin
Sibling · 1940 · age 25
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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03670-00454)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jessie Lemmon | 45 | Head | Candy Maker | Pennsylvania |
| 42 | John Mitchell | 71 | Head | — | Pennsylvania |
| 43 | John J. Mitchell | 37 | Son | Laborer | Pennsylvania |
| 44 | Catherine Mitchell | 33 | Daughter in law | Packer | Pennsylvania |
| 45 | Frank Block | 34 | Head | Manager | Pennsylvania |
| 46 | Marie Block | 37 | Wife | — | Pennsylvania |
| 47 | Mary Elsa Block | 14 | Daughter | — | Pennsylvania |
| 48 | Walter Edwin Block | 12 | Nephew | — | Pennsylvania |
| 49 | Donald Block | 9 | Nephew | — | Pennsylvania |
| 50 | Patrick Block | 4 | Nephew | — | Pennsylvania |
| 51 | Elva Block | 39 | Sister in law | — | Pennsylvania |
| 52 | Anthony Bachman | 46 | Head | Laborer | Pennsylvania |
| 53 | Rose Bachman | 44 | Wife | — | Pennsylvania |
| 54 | Louis Bachman | 17 | Son | — | Pennsylvania |
| 55 | Anthony Bachman | 15 | Son | — | Pennsylvania |
| 56 | Mary Bachman | 13 | Daughter | — | Pennsylvania |
| 57 | Catherine Bachman | 11 | Daughter | — | Pennsylvania |
| 58 | Philomena Stoak | 49 | Head | Cleaner | Italy |
| 59 | Mildred Stoak | 22 | Daughter | Clerk | Pennsylvania |
| 60 | George Martin | 60 | Head | Laborer | Pennsylvania |
| 61 | Estella Martin | 53 | Wife | — | Pennsylvania |
| 62 | Carla Martin | 32 | Daughter | — | Pennsylvania |
| 63 | Robert Martin THIS PERSON | 27 | Son | Stenographer | Pennsylvania |
| 64 | George Martin | 25 | Son | Stock Clerk | Pennsylvania |
| 65 | Loyal Elder | 39 | Head | Truck Driver | Pennsylvania |
| 66 | Gertrude Elder | 34 | Wife | — | Pennsylvania |
| 67 | Rodney Elder | 3 | Son | — | Pennsylvania |
| 68 | Carol Elder | 1 | Daughter | — | Pennsylvania |
| 69 | John Lucot | 71 | Head | — | Pennsylvania |
| 70 | Francis Lucot | 64 | Wife | — | Pennsylvania |
| 71 | Richard Lucot | 21 | Son | — | Pennsylvania |
| 72 | Nettie Gleason | 43 | Daughter | Laborer | Pennsylvania |
| 73 | George Gleason | 17 | Grandson | — | Pennsylvania |
| 74 | Naomi Gleason | 14 | Granddaughter | — | Pennsylvania |
| 75 | Frank Wall | 51 | Head | — | Pennsylvania |
| 76 | Annaminta Wall | 51 | Wife | — | Pennsylvania |
| 77 | James Wall | 22 | Son | Assistant Manager | Pennsylvania |
| 78 | June Wall | 20 | Daughter | H. S. Student | Pennsylvania |
| 79 | Billy Wall | 18 | Son | None New Worker | Pennsylvania |
Pedigree Summary
Robert + 2 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)