RS
Roger Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Prince-George'S-County, Maryland
Our Model Tree links this Roger Smith across the 1920, 1930 and 1940 US Censuses in Prince-George'S-County, Maryland (XGBoost, ~Confirmed), with identified parents Percy & Mary — first a head (b.~1911), then head of a 5-person household.
Age 29
b. ~1911
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Prince-George'S-County, Maryland |
| Surname | Smith |
| Given Name | Roger |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Riverdale Heights |
| 1935 Residence (County) | Prince Georges |
| Additional Details | |
| Occupation | Elevator Oper |
| Industry | Insurance |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1205 |
| Highest Grade | H 2 |
| 1935 Residence | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Elevator Oper |
| Township / Ward | Hyattsville |
| Est. Birth Year | ~1911 |
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 Roger | Age | Birth yr |
|---|---|---|---|---|
| Florence Smith | Daughter | — | 5 | ~1935 |
| Violet Smith | Daughter | — | 3 | ~1937 |
| James Smith | Son | — | 2 | ~1938 |
| Violet Smith | Spouse | — | 26 | ~1914 |
| Roger Smith | Head | — | 29 | ~1911 |
Census Appearances
1920
X, District …
Son, age 9
X, District of Columbia · implied b. ~1911 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Roger R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Illinois |
| Mother's Birthplace | United States |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
None, District …
Son, age 19
None, District of Columbia · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Roger R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Massachusetts |
| Occupation | Elevator Boy |
| Industry | Rums Elevator |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Prince-George'S-County, Maryland
Head, age 29
Prince-George'S-County, Maryland · implied b. ~1911 — 5 household members
| Surname | Smith |
| Given Name | Roger |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Riverdale Heights |
| 1935 Residence (County) | Prince Georges |
| Occupation | Elevator Oper |
| Industry | Insurance |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1205 |
| Highest Grade | H 2 |
| 1935 Residence | Maryland |
| 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 Roger Smith across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Percy Smith (~0.92 confidence) and mother Mary Smith (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Percy Smith
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Mary Smith
b. ~1869
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Roger Smith
Head · 1940 · age 29 · b. ~1911 · Maryland
★ 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 — Prince-George'S-County, Maryland
Open full size
1940 US Federal Census — Prince-George'S-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01557-00693)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John R. Stiger | 43 | Head | Steam Operator | Virginia |
| 42 | Pearl Stiger | 45 | Wife | — | Virginia |
| 43 | Joseph Stiger | 19 | Son | — | Virginia |
| 44 | Louise Stiger | 18 | Daughter | — | Maryland |
| 45 | Marian Stiger | 15 | Daughter | — | Maryland |
| 46 | Thomas Fletcher | 39 | Head | Electrical Engineer | D.C. |
| 47 | Nellie Fletcher | 35 | Wife | — | Virginia |
| 48 | Adelaide Fletcher | 17 | Daughter | — | Virginia |
| 49 | Thomas Jr. Fletcher | 15 | Son | — | Virginia |
| 50 | Darrell Fletcher | 13 | Son | — | D.C. |
| 51 | Anita Fletcher | 5 | Daughter | — | Maryland |
| 52 | Bennett D. Lyle | 39 | Head | Bus Operator | Georgia |
| 53 | Nellie G. Lyle | 32 | Wife | — | Maryland |
| 54 | Alma Joyce Lyle | 1 | Daughter | — | Maryland |
| 55 | John H. Lumberson | 43 | Head | Stationary Engineer | Maryland |
| 56 | Annie B. Lumberson | 42 | Wife | Clerk | Virginia |
| 57 | Norman Lumberson | 15 | Son | — | Maryland |
| 58 | Irene Lumberson | 12 | Daughter | — | Maryland |
| 59 | Rose Marie Lumberson | 7 | Daughter | — | Maryland |
| 60 | Roy Mclean | 23 | Head | Printer | D.C. |
| 61 | Edna L. Mclean | 20 | Wife | — | D.C. |
| 62 | Edward L. Haufe | 33 | Head | Machinist | West Virginia |
| 63 | Agnes Haufe | 30 | Wife | — | West Virginia |
| 64 | Edward L. Jr. Haufe | 10 | Son | — | Ohio |
| 65 | Henry Dyche | 43 | Head | 40 | Maryland |
| 66 | Mildred Dyche | 44 | Wife | Nurse | Maryland |
| 67 | Harry Dyche | 4 | Son | — | Maryland |
| 68 | Charles Weinstine | 35 | Head | Carpenter | Maryland |
| 69 | Amy Weinstine | 29 | Wife | — | Virginia |
| 70 | Lewis Brogan | 30 | Head | Laborer | Virginia |
| 71 | Christine Brogan | 21 | Wife | — | Virginia |
| 72 | Roy Brogan | 28 | Head | Laborer Clerk | Virginia |
| 73 | Aldine Brogan | 21 | Wife | — | Virginia |
| 74 | Henry Beach | 34 | Head | 44 | Virginia |
| 75 | Margaret Beach | 32 | Wife | — | D.C. |
| 76 | Roger Smith THIS PERSON | 29 | Head | Elevator Oper | Maryland |
| 77 | Violet Smith | 26 | Wife | Waitress | D.C. |
| 78 | Florence Smith | 5 | Daughter | — | D.C. |
| 79 | Violet B. Smith | 3 | Daughter | — | D.C. |
| 80 | James Smith | 2 | Son | — | D.C. |
Pedigree Summary
Roger
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)