RS
Ruth Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Frederick-County, Maryland
Our Model Tree links this Ruth Smith across the 1920, 1930 and 1940 US Censuses in Frederick-County, Maryland (XGBoost, ~Confirmed), with identified parents George & George — first a daughter (b.~1904), then head of a 3-person household.
Age 36
b. ~1904
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Frederick-County, Maryland |
| Surname | Smith |
| Given Name | Ruth |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Frederick City |
| 1935 Residence (County) | Frederick |
| Additional Details | |
| Occupation | Teacher |
| Industry | Public School System |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 1650 |
| Highest Grade | C 4 |
| 1935 Residence | Same house |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Teacher |
| Township / Ward | Frederick City |
| Est. Birth Year | ~1904 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Mary Smith | Daughter | — | 39 | ~1901 |
| Ruth Smith | Daughter | — | 36 | ~1904 |
| Hattie Smith | Head | — | 67 | ~1873 |
Census Appearances
1920
Frederick, Maryland
Daughter, age 16
Frederick, Maryland · implied b. ~1904 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Ruth E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Frederick, Maryland
Daughter, age 27
Frederick, Maryland · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Ruth E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | 9494 |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Frederick-County, Maryland
Daughter, age 36
Frederick-County, Maryland · implied b. ~1904 — 3 household members
| Surname | Smith |
| Given Name | Ruth |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Frederick City |
| 1935 Residence (County) | Frederick |
| Occupation | Teacher |
| Industry | Public School System |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 1650 |
| Highest Grade | C 4 |
| 1935 Residence | Same house |
| 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 Ruth Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Smith (~0.92 confidence) and father George Smith (~0.92 confidence) and mother Mattie Smith (~0.92 confidence) and mother Hattie Smith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Smith
b. ~1868
Source father
● Household
· direct · ~0.92
Father
George Smith
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Mattie Smith
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Hattie Smith
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Smith
Daughter · 1940 · age 36 · b. ~1904 · Maryland
★ You are viewing this record
Sibling
Mary Smith
Sibling · 1940 · age 39
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 — 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-t0627-01548-00135)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Agnes Vance | 26 | wife | — | Pennsylvania |
| 42 | Paul W Jr Vance | 6 | son | — | Pennsylvania |
| 43 | Robert E Vance | 2 | son | — | Maryland |
| 44 | James R Vance | 1 | son | — | Maryland |
| 45 | Arthur W Bennett | 41 | head | Lawyer | Maryland |
| 46 | Sarah D Bennett | 32 | wife | Librarian | Maryland |
| 47 | Thomas M Bennett | 13 | son | — | Maryland |
| 48 | Stanley Bennett | 5 | son | — | Maryland |
| 49 | John Thompson | 21 | houseboy | — | Maryland |
| 50 | Bessie T Staley | 63 | mother-in-law | — | Maryland |
| 51 | Dora E Nuking | 60 | head | — | Maryland |
| 52 | Evelyn Nuking | 33 | daughter | — | Maryland |
| 53 | James Henry Nuking | 30 | son | Carpenter | Maryland |
| 54 | D Leroy Shealey | 24 | head | Salesman | Maryland |
| 55 | Annie M Shealey | 55 | mother | — | Maryland |
| 56 | Ernest Beller | 61 | head | — | Maryland |
| 57 | Theresa Beller | 65 | wife | — | Maryland |
| 58 | Spencer Beller | 37 | son | Machinist | Maryland |
| 59 | Hattie L Smith | 67 | head | — | Maryland |
| 60 | Mary Smith | 39 | daughter | Teacher | Maryland |
| 61 | Ruth Smith THIS PERSON | 36 | daughter | Teacher | Maryland |
| 62 | Owen Foster | 31 | head | Prop. & Manager | Maryland |
| 63 | Eva Foster | 36 | wife | — | Maryland |
| 64 | Patricia Foster | 5 | daughter | — | Maryland |
| 65 | Helen Elaine Foster | 3 | daughter | — | Maryland |
| 66 | Ralph Foster | 7 | son | — | Maryland |
| 67 | Burton D Staley | 54 | head | Stock Clerk | Maryland |
| 68 | Marjorie Reid | 21 | daughter | — | Maryland |
| 69 | Harry Reid | 23 | son-in-law | Book-Keeper | Virginia |
| 70 | Alice Staley | 70 | head | — | Maryland |
| 71 | Mabel Linton | 45 | daughter | — | Maryland |
| 72 | Mary Staley | 39 | daughter | Mender | Maryland |
| 73 | Shirley Lester Linton | 20 | grandson | — | Maryland |
| 74 | Reginald Russell Linton | 18 | grandson | New Worker | Maryland |
| 75 | Bertie Linton | 47 | sister-in-law | Clerk | Maryland |
| 76 | Ralph Shober | 39 | head | Minister | Pennsylvania |
| 77 | Mary Shober | 42 | wife | — | Pennsylvania |
| 78 | Emil Shober | 17 | son | — | Pennsylvania |
| 79 | Ralph Wayne Shober | 15 | son | — | Pennsylvania |
| 80 | Dwight Shober | 8 | son | — | Pennsylvania |
Pedigree Summary
Ruth + 1 sibling
Gen 1 · 4 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)