RM
Robert Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · York-County, Pennsylvania
Our Model Tree links this Robert Martin across the 1910, 1920, 1930 and 1940 US Censuses in York-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1889), then head of a 2-person household.
Age 51
b. ~1889
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | York-County, Pennsylvania |
| Surname | Martin |
| Given Name | Robert M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Hanover |
| 1935 Residence (County) | York |
| Additional Details | |
| Occupation | Laborer |
| Industry | Building |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 44 |
| Highest Grade | 5 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Penn Township |
| Est. Birth Year | ~1889 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Adalene Martin | Daughter | — | 26 | ~1914 |
| Robert Martin | Head | — | 51 | ~1889 |
Census Appearances
1910
York, Pennsylvania
Head, age 21
York, Pennsylvania · implied b. ~1889 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Robert M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Years Married | 2 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farmer |
| Industry | General farm |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
York, Pennsylvania
Head, age 31
York, Pennsylvania · implied b. ~1889 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Robert M |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | Oa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
York, Pennsylvania
Head, age 41
York, Pennsylvania · implied b. ~1889 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Robert M |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 19 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Mason |
| Industry | Building Mkt |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | 3500 |
| Home Value / Rent | R |
| Veteran | O |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
York-County, Pennsylvania
Head, age 51
York-County, Pennsylvania · implied b. ~1889 — 2 household members
| Surname | Martin |
| Given Name | Robert M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Hanover |
| 1935 Residence (County) | York |
| Occupation | Laborer |
| Industry | Building |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 44 |
| Highest Grade | 5 |
| 1935 Residence | Pennsylvania |
| 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 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Martin
Head · 1940 · age 51 · b. ~1889 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — York-County, Pennsylvania
Open full size
1940 US Federal Census — York-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03643-00568)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edgar H. Bechtel | 8 | Stepson | — | Maryland |
| 42 | Milton E. Bowman | 71 | Head | Sec. Salesman | Pennsylvania |
| 43 | Mary L. Bowman | 62 | Wife | — | Pennsylvania |
| 44 | Harry I. Bowman | 42 | Son | Machinist | Pennsylvania |
| 45 | Robert M. Martin THIS PERSON | 51 | Head | Laborer | Pennsylvania |
| 46 | Adalene Martin | 26 | Daughter | Bunch Breaker | Pennsylvania |
| 47 | Franklin H. Ruby | 30 | Head | Laborer | Pennsylvania |
| 48 | Mary T. Ruby | 27 | Wife | — | Pennsylvania |
| 49 | Harold L. Ruby | 10 | Son | — | Pennsylvania |
| 50 | Jacquelyn D. Ruby | 7 | Daughter | — | Pennsylvania |
| 51 | Doris M. Ruby | 7 | Daughter | — | Pennsylvania |
| 52 | Franklin Jr. Ruby | 5 | Son | — | Pennsylvania |
| 53 | Donna G. Ruby | 2 | Daughter | — | Pennsylvania |
| 54 | Ervin H. Young | 26 | Head | Laborer | Pennsylvania |
| 55 | Pauline E. Young | 22 | Wife | — | Maryland |
| 56 | Jean E. Young | 5 | Daughter | — | Pennsylvania |
| 57 | Raymond Bupp | 46 | Head | Cigar Roller | Pennsylvania |
| 58 | Edward F. Young | 23 | Head | Laborer | Pennsylvania |
| 59 | Ada M. Young | 20 | Wife | — | Pennsylvania |
| 60 | Charles E. Wilson | 42 | Head | Stone Mason | Maryland |
| 61 | Laura S. Wilson | 42 | Wife | — | Maryland |
| 62 | Sterling R. Wilson | 19 | Son | New Worker | Pennsylvania |
| 63 | Viola E. Wilson | 17 | Daughter | — | Pennsylvania |
| 64 | Arthur R. Wilson | 15 | Son | — | Pennsylvania |
| 65 | Myrtle L. Wilson | 13 | Daughter | — | Pennsylvania |
| 66 | Clara F. Wilson | 12 | Daughter | — | Pennsylvania |
| 67 | Earl W. Wilson | 8 | Son | — | Pennsylvania |
| 68 | Alice M. Wilson | 6 | Daughter | — | Pennsylvania |
| 69 | Mary J. Wilson | 4 | Daughter | — | Pennsylvania |
| 70 | Lulubelle Wilson | 2 | Daughter | — | Pennsylvania |
| 71 | David C. Wilson | 0 | Son | — | Pennsylvania |
| 72 | Pierce W. Wilson | 45 | Brother | — | Maryland |
| 73 | Raymond B. Wagner | 29 | Head | Laborer | Pennsylvania |
| 74 | Melvin P. Sheely | 28 | Head | — | Maryland |
| 75 | Marie A. Sheely | 24 | Wife | — | Maryland |
| 76 | Betty M. Sheely | 6 | Daughter | — | Pennsylvania |
| 77 | Dorothy M. Sheely | 5 | Daughter | — | Pennsylvania |
| 78 | Richard E. Sheely | 2 | Son | — | Pennsylvania |
| 79 | Richard Bortner | 28 | Head | Sander | Pennsylvania |
| 80 | Harry Bortner | 41 | Brother | Farm Laborer | Pennsylvania |
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)