OS
Oscar Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Frederick-County, Maryland
Our Model Tree links this Oscar Smith across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Frederick-County, Maryland (XGBoost, ~Confirmed), with identified parents Amanda & Clifford — first a head (b.~1900), then head of a 4-person household.
Age 40
b. ~1900
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Frederick-County, Maryland |
| Surname | Smith |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District #14 |
| 1935 Residence (County) | Frederick |
| Additional Details | |
| Occupation | Farming |
| Industry | Own Farm |
| Class of Worker | OA |
| Hours Worked | 72 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Farming |
| Township / Ward | Election District 14 |
| Est. Birth Year | ~1900 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Oscar | Age | Birth yr |
|---|---|---|---|---|
| Hattie Smith | Daughter | — | 10 | ~1930 |
| Oscar Smith | Head | — | 40 | ~1900 |
| Clayton Smith | Son | — | 5 | ~1935 |
| Anna Smith | Spouse | — | 40 | ~1900 |
Census Appearances
1900
Frederick, Maryland
Son, age
Frederick, Maryland · implied b. ~1900 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Oscar E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Maryland |
| Birth Month | Mar |
| Birth Year | 1900 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1910
Frederick, Maryland
Son, age 10
Frederick, Maryland · implied b. ~1900 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Oscar S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Frederick, Maryland
Son, age 19
Frederick, Maryland · implied b. ~1901 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Oscar E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Farm laborer |
| Industry | Home farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Frederick, Maryland
Head, age 30
Frederick, Maryland · implied b. ~1900 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Oscar C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 28 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Farm laborer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Frederick-County, Maryland
Head, age 40
Frederick-County, Maryland · implied b. ~1900 — 4 household members
| Surname | Smith |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District #14 |
| 1935 Residence (County) | Frederick |
| Occupation | Farming |
| Industry | Own Farm |
| Class of Worker | OA |
| Hours Worked | 72 |
| Highest Grade | No 7 |
| 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 Oscar Smith across 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Amanda Smith (~0.92 confidence) and father Clifford Smith (~0.92 confidence) and father Clifford Smith (~0.92 confidence) and mother Julia Smith (~0.60 confidence) and mother Alice Smith (~0.60 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.79
Mother
Amanda Smith
b. ~1859
Source mother
● Household
· direct · ~0.92
Father
Clifford Smith
b. ~1863
Source father
● Household
· direct · ~0.92
Father
Clifford Smith
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Julia Smith
b. ~1888
Source mother
● Household
· direct · ~0.6
Mother
Alice Smith
b. ~1890
Source mother
● Household
· direct · ~0.6
This person
Anchor record
Oscar Smith
Head · 1940 · age 40 · b. ~1900 · 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 — Frederick-County, Maryland
Open full size
1940 US Federal Census — Frederick-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01549-00300)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Clarence Mccutcheon | 28 | Son | — | Maryland |
| 42 | Charles Mccutcheon | 26 | Son | — | Maryland |
| 43 | Alice Mccutcheon | 23 | Daughter | — | Maryland |
| 44 | Harvey Mccutcheon | 19 | Son | Truck Hand | Maryland |
| 45 | Mary Mccutcheon | 45 | Daughter | — | Maryland |
| 46 | Melvin P. Fulton | 47 | Head | Truck Hand | Maryland |
| 47 | Emma Fulton | 46 | Sister | — | Maryland |
| 48 | Helen Fulton | 22 | Niece | — | Maryland |
| 49 | David Fulton | 9 | Nephew | — | Maryland |
| 50 | George Keith | 69 | Head | — | Maryland |
| 51 | Walter Fulton | 50 | Head | Truck Hand | Maryland |
| 52 | Freda Fulton | 14 | Son | Truck Hand | Maryland |
| 53 | William Fulton | 56 | Head | Farmer | Maryland |
| 54 | Bessie Fulton | 50 | Wife | — | Maryland |
| 55 | Gerald Smith | 5 | Nephew | — | Maryland |
| 56 | Robert Fulton | 15 | Nephew | — | Maryland |
| 57 | Wesley Hicks | 44 | Head | Care Taker | Wisconsin |
| 58 | Margaret Hicks | 39 | Wife | — | Maryland |
| 59 | Wesley D. Hicks | 6 | Son | — | Maryland |
| 60 | Stuart M. Hicks | 2 | Son | — | Maryland |
| 61 | Frances Hicks | 0 | Daughter | — | Maryland |
| 62 | Badwill Ott | 37 | Head | Farm Hand | West Virginia |
| 63 | Virginia Ott | 28 | Wife | — | Maryland |
| 64 | Richard Ott | 1 | Son | — | Maryland |
| 65 | Joshua Tapole | 50 | Head | Farming | Maryland |
| 66 | Mary E. Tapole | 43 | Wife | — | Virginia |
| 67 | Charles E. Tapole | 18 | Son | — | Maryland |
| 68 | Louise Tapole | 16 | Daughter | — | Maryland |
| 69 | Helen Tapole | 13 | Daughter | — | Maryland |
| 70 | Charles Willingham | 53 | Boarder | Labor | Virginia |
| 71 | Francis Beall | 53 | Head | Farming | Maryland |
| 72 | Lillian Beall | 41 | Wife | — | Virginia |
| 73 | Howard Beall | 15 | Son | — | Maryland |
| 74 | Eleanor Beall | 14 | Son | — | Maryland |
| 75 | Betty L. Beall | 9 | Daughter | — | Maryland |
| 76 | Harry M. Smoot | 43 | Head | Farm Hand | Virginia |
| 77 | Oscar Smith THIS PERSON | 40 | Head | Farming | Maryland |
| 78 | Anna Smith | 40 | Wife | — | Virginia |
| 79 | Hattie Smith | 10 | Daughter | — | Maryland |
| 80 | Clayton Smith | 5 | Son | — | Maryland |
Related Census Records
Pedigree Summary
Oscar
Gen 1 · 5 parents
~0.79
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)