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Ruth Long — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-County, Maryland
Our Model Tree links this Ruth Long across the 1920, 1930 and 1940 US Censuses in Baltimore-County, Maryland (XGBoost, ~Confirmed), with identified parents Howard & Carroll — first a daughter (b.~1923), then head of a 7-person household.
Age 17
b. ~1923
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-County, Maryland |
| Surname | Long |
| Given Name | Ruth E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Falls Road |
| Additional Details | |
| Highest Grade | No 6 |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Falls Road |
| Est. Birth Year | ~1923 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Mary Long | Spouse | — | 30 | ~1910 |
| J Long | Son | — | 15 | ~1925 |
| David Long | Son | — | 21 | ~1919 |
| Carroll Long | Head | — | 49 | ~1891 |
| James Long | Son | — | 12 | ~1928 |
| C Long | Son | — | 24 | ~1916 |
| Ruth Long | Daughter | — | 17 | ~1923 |
Census Appearances
1920
Baltimore, Maryland
Daughter, age 1
Baltimore, Maryland · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Daughter, age 11
Baltimore, Maryland · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-County, Maryland
Daughter, age 17
Baltimore-County, Maryland · implied b. ~1923 — 7 household members
| Surname | Long |
| Given Name | Ruth E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Falls Road |
| Highest Grade | No 6 |
| 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 Long across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Howard Long (~0.92 confidence) and father Carroll Long (~0.92 confidence) and mother Laura Long (~0.92 confidence) and mother Mary Long (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Howard Long
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Carroll Long
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Laura Long
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Mary Long
b. ~1910
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Long
Daughter · 1940 · age 17 · b. ~1923 · Maryland
★ You are viewing this record
Sibling
David Long
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
C Long
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Long
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
J Long
Sibling · 1940 · age 15
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-County, Maryland
Open full size
1940 US Federal Census — Baltimore-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01504-00252)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frances M. Armacost | 87 | Mother | — | Maryland |
| 2 | David M. Thompson | 77 | Head | Storekeeper | Maryland |
| 3 | Mary P. Thompson | 57 | Wife | — | Maryland |
| 4 | Eva Thompson | 19 | Daughter | — | Maryland |
| 5 | Thomas K. Merryman | 62 | Head | Farmer | Maryland |
| 6 | Rose Ann Merryman | 61 | Wife | — | Maryland |
| 7 | G. Thomas Merryman | 43 | Son | Farmer | Maryland |
| 8 | Wilda Merryman | 40 | Daughter-in-law | — | Maryland |
| 9 | Thomas L. Merryman | 18 | Grandson | Auto Mechanic Apprentice | Maryland |
| 10 | Harvey S. Armacost | 42 | Head | Farm Laborer | Maryland |
| 11 | Hester J. Armacost | 64 | Wife | — | Maryland |
| 12 | Shellman W. Cooper | 70 | Head | Farmer | Maryland |
| 13 | Laura B. Cooper | 71 | Wife | — | Maryland |
| 14 | Elmer S. Shaffer | 62 | Head | Laborer | Maryland |
| 15 | Birtie A. Shaffer | 62 | Wife | — | Maryland |
| 16 | Vernon A. Shaffer | 22 | Son | Laborer | Maryland |
| 17 | Arthur M. Rhoten | 20 | Grandson | Laborer-Helper | Maryland |
| 18 | Joseph Thomas Cole | 24 | Head | Carpenter | Maryland |
| 19 | Pearl D. Cole | 23 | Wife | — | Maryland |
| 20 | Mary G. Cole | 5 | Daughter | — | Maryland |
| 21 | Earl G. Cole | 4 | Son | — | Maryland |
| 22 | William R. Cole | 1 | Son | — | Maryland |
| 23 | Carroll E. Long | 49 | Head | Plasterer | Maryland |
| 24 | Mary E. Long | 30 | Wife | — | Maryland |
| 25 | C. Carlisle Long | 24 | Son | Apprentice Plasterer | Maryland |
| 26 | David G. Long | 21 | Son | Stonemason Laborer | Maryland |
| 27 | Ruth E. Long THIS PERSON | 17 | Daughter | — | Maryland |
| 28 | J. Martin Long | 15 | Son | — | Maryland |
| 29 | James A. Long | 12 | Son | — | Maryland |
| 30 | H. Ellsworth Shaffer | 47 | Head | Carpenter | Maryland |
| 31 | Margaret A. Shaffer | 48 | Wife | — | Maryland |
| 32 | William F. Shaffer | 19 | Son | Plasterer Apprentice | Maryland |
| 33 | Paul R. Shaffer | 18 | Son | Gasoline Attendant | Maryland |
| 34 | George W. Shaffer | 16 | Son | — | Maryland |
| 35 | Dorthea G. Pynes | 65 | Head | Laborer | Virginia |
| 36 | Nellie L. Pynes | 40 | Sister | — | Maryland |
| 37 | Verna M. Pynes | 18 | Sister | — | Maryland |
| 38 | Charles B. Walker | 43 | Head | Laborer | Maryland |
| 39 | Alverta N. Walker | 26 | Wife | — | Maryland |
| 40 | Charles E. Walker | 7 | Son | — | Maryland |
Pedigree Summary
Ruth + 4 siblings
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)