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Ruth Hoffman — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Frederick-County, Maryland
Our Model Tree links this Ruth Hoffman across the 1930 and 1940 US Censuses in Frederick-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 8-person household.
Age 12
b. ~1928
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Frederick-County, Maryland |
| Surname | Hoffman |
| Given Name | Ruth L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Mt. Airy Dist. Woodville Election District #18 |
| 1935 Residence (County) | Frederick |
| Additional Details | |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Mt Airy Dist Woodville Election District 18 |
| Est. Birth Year | ~1928 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Rudell Hoffman | Son | — | 14 | ~1926 |
| Hallie Hoffman | Daughter | — | 18 | ~1922 |
| Jessie Hoffman | Spouse | — | 45 | ~1895 |
| Paul Hoffman | Son | — | 10 | ~1930 |
| Ruth Hoffman | Daughter | — | 12 | ~1928 |
| Samuel Hoffman | Head | — | 50 | ~1890 |
| George Hoffman | Son | — | 27 | ~1913 |
| Betty Hoffman | Daughter | — | 8 | ~1932 |
Census Appearances
1930
Frederick, Maryland
Daughter, age 2
Frederick, Maryland · implied b. ~1928 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Huffman |
| Given Name | Ruth L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Frederick-County, Maryland
Daughter, age 12
Frederick-County, Maryland · implied b. ~1928 — 8 household members
| Surname | Hoffman |
| Given Name | Ruth L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Mt. Airy Dist. Woodville Election District #18 |
| 1935 Residence (County) | Frederick |
| Highest Grade | 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 Ruth Hoffman across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ruth Hoffman
Daughter · 1940 · age 12 · b. ~1928 · Maryland
★ You are viewing this record
Sibling
Paul Hoffman
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rudell Hoffman
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Hoffman
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Hoffman
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hallie Hoffman
Sibling · 1940 · age 18
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-t0627-01549-00478)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Paul J. Burdette | 5 | Son | — | Maryland |
| 2 | Beatrice J. Burdette | 3 | Daughter | — | Maryland |
| 3 | Emory Biddinger | 47 | Head | Operator | Maryland |
| 4 | Pearl V. Biddinger | 45 | Wife | — | Maryland |
| 5 | Reese H. Biddinger | 15 | Son | Helper | Maryland |
| 6 | Robert E. Biddinger | 12 | Son | — | Maryland |
| 7 | Pauline E. Biddinger | 21 | Daughter | Tatter|Fatter | Maryland |
| 8 | Ralph Biddinger | 27 | Son-in-law | Farm Hand | Maryland |
| 9 | Willard Stevens | 22 | Boarder | Teacher | Maryland |
| 10 | Harold Emmel | 30 | Head | Laborer | Maryland |
| 11 | Margaret Emmel | 25 | Wife | — | Maryland |
| 12 | Samuel W. Hoffman | 50 | Head | Manager And Operator | Maryland |
| 13 | Jessie M. Hoffman | 45 | Wife | — | Maryland |
| 14 | George W. Hoffman | 27 | Son | Mechanic | Maryland |
| 15 | Hallie M. Hoffman | 18 | Daughter | — | Maryland |
| 16 | Rudell J. Hoffman | 14 | Son | — | Maryland |
| 17 | Ruth L. Hoffman THIS PERSON | 12 | Daughter | — | Maryland |
| 18 | Paul M. Hoffman | 10 | Son | — | Maryland |
| 19 | Betty J. Hoffman | 8 | Daughter | — | Maryland |
| 20 | Daniel J. Young | 56 | Head | Operator | Pa. |
| 21 | Emma L. Young | 56 | Wife | — | Pa. |
| 22 | John W. Young | 24 | Son | Helper | Maryland |
| 23 | Morris Leaf | 32 | Son-in-law | Carpenter | Maryland |
| 24 | V. Jeanette Leaf | 28 | Daughter | — | Maryland |
| 25 | Donald Leaf | 5 | Grandson | — | Maryland |
| 26 | Peggy Leaf | 3 | Granddaughter | — | Maryland |
| 27 | Glen A. Styles | 37 | Head | Operator | Maryland |
| 28 | Amy V. Styles | 37 | Wife | — | Maryland |
| 29 | Wilma Styles | 13 | Daughter | — | Maryland |
| 30 | John Reppert | 73 | Father-in-law | Farm Hand | Maryland |
| 31 | Edward Burdette | 32 | Head | Laborer | Maryland |
| 32 | Mary Burdette | 34 | Wife | — | Maryland |
| 33 | Bessie E. Burdette | 11 | Daughter | — | Maryland |
| 34 | Edward Jr. Burdette | 8 | Son | — | Maryland |
| 35 | Louisa E. Schneider | 72 | Head | Operator | Maryland |
| 36 | C. Roy Schneider | 49 | Son | Laborer | Maryland |
| 37 | Clara M. Schneider | 36 | Daughter | — | Maryland |
| 38 | Ruth S. Schneider | 32 | Daughter | — | Maryland |
| 39 | Raymond Aldridge | 40 | Head | Operator | Maryland |
| 40 | Ross E. Keeney | 30 | Head | Laborer | Maryland |
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)