RP
Robert Porter — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Robert Porter across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 9-person household.
Age 16
b. ~1924
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Porter |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | BALTIMORE |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore |
| Est. Birth Year | ~1924 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Adelaide Porter | Daughter | — | 14 | ~1926 |
| Mary Porter | Daughter | — | 3 | ~1937 |
| Robert Porter | Head | — | 45 | ~1895 |
| Harry Porter | Son | — | 10 | ~1930 |
| Robert Porter | Son | — | 16 | ~1924 |
| Charles Porter | Son | — | 15 | ~1925 |
| Jim Porter | Son | — | 6 | ~1934 |
| James Porter | Son | — | 18 | ~1922 |
| Elsie Porter | Spouse | — | 38 | ~1902 |
Census Appearances
1930
Baltimore, Maryland
Son, age 5
Baltimore, Maryland · implied b. ~1925 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Porter |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Son, age 16
Baltimore-City-County, Maryland · implied b. ~1924 — 9 household members
| Surname | Porter |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | BALTIMORE |
| 1935 Residence (County) | Baltimore City |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Porter across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Porter
Son · 1940 · age 16 · b. ~1924 · Maryland
★ You are viewing this record
Sibling
Charles Porter
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jim Porter
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Porter
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Porter
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Porter
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Adelaide Porter
Sibling · 1940 · age 14
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 — Baltimore-City-County, Maryland
Open full size
1940 US Federal Census — Baltimore-City-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01539-00542)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Berger | 28 | Daughter | — | Maryland |
| 42 | William C. Berger | 10 | Son | — | Maryland |
| 43 | Betty Berger | 7 | Daughter | — | Maryland |
| 44 | Cora Buman | 65 | Head | — | Maryland |
| 45 | Bessie Buman | 36 | Daughter | Seamstress | Maryland |
| 46 | Charles H. Periner | 72 | Head | — | Maryland |
| 47 | Mary P. Sproul | 74 | Sister | — | Maryland |
| 48 | Hammond Bowerman | 49 | Head | Printer | Maryland |
| 49 | Bessie Bowerman | 51 | Wife | — | Maryland |
| 50 | Joan Bowerman | 2 | Daughter | — | Maryland |
| 51 | Richard Bowerman | 5 | Son | — | Maryland |
| 52 | Lillie Jefferson | 50 | Head | Clerk | Maryland |
| 53 | William Jefferson | 45 | Brother | — | Maryland |
| 54 | Frank E. Phillips | 62 | Head | — | Maryland |
| 55 | Katherine H. Phillips | 60 | Wife | — | Maryland |
| 56 | Katherine C. Phillips | 36 | Wife | Secretary | Maryland |
| 57 | Arthur Phillips | 27 | Son | Engineer | New York |
| 58 | Frank Phillips | 25 | Son | Supervisor | New York |
| 59 | Charles P. Marks | 52 | Head | Draftsman | Pennsylvania |
| 60 | Lillian R. Marks | 39 | Wife | — | Maryland |
| 61 | Donald Marks | 16 | Son | — | Maryland |
| 62 | Russell Marks | 7 | Son | — | Maryland |
| 63 | John E. Adolph | 54 | Head | Furniture | Maryland |
| 64 | Lilly E. Adolph | 58 | Wife | — | Maryland |
| 65 | John E. Jr. Adolph | 30 | Son | Salesman | Maryland |
| 66 | Peter C. Doyle | 59 | Head | Labor | Maryland |
| 67 | Louise Doyle | 57 | Wife | — | Maryland |
| 68 | Emily Doyle | 25 | Daughter | Stenographer | Maryland |
| 69 | John Doyle | 15 | Son | Messenger | Maryland |
| 70 | Robert W. Porter | 45 | Head | Paperhanger | Maryland |
| 71 | Elsie M. Porter | 38 | Wife | — | Maryland |
| 72 | James Porter | 18 | Son | Attendant | Maryland |
| 73 | Robert E. Porter THIS PERSON | 16 | Son | — | Maryland |
| 74 | Charles H. Porter | 15 | Son | — | Maryland |
| 75 | Adelaide Porter | 14 | Daughter | — | Maryland |
| 76 | Harry Porter | 10 | Son | — | Maryland |
| 77 | Jim Porter | 6 | Son | — | Maryland |
| 78 | Mary Porter | 3 | Daughter | — | Maryland |
| 79 | Edward L. Hogarth | 25 | Head | Plumber | Maryland |
| 80 | Anna Hogarth | 27 | Wife | — | New Jersey |
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)