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William Hoffman — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Frederick, Maryland
Our Model Tree links this William Hoffman across the 1900, 1910 and 1920 US Censuses in Frederick, Maryland (XGBoost, ~Confirmed) — first a head (b.~1845), then head of a 7-person household.
Age 75
b. ~1845
Male
Head
Born: Maryland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Frederick, Maryland |
| Surname | Hoffman |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 75 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Retired |
| Industry | Farmer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Retired |
| Township / Ward | E D 1 Buckeystown |
| Est. Birth Year | ~1845 |
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 1920 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Hoffman | Head | — | 75 | ~1845 |
| George Hoffman | Other | — | 22 | ~1898 |
| Anna Hoffman | Other | — | 45 | ~1875 |
| Louis Hoffman | Other | — | 20 | ~1900 |
| Lawrence Hoffman | Other | — | 17 | ~1903 |
| John Hoffman | Son | — | 45 | ~1875 |
| Francis Hoffman | Spouse | — | 64 | ~1856 |
Census Appearances
1900
Frederick, Maryland
Head, age 55
Frederick, Maryland · implied b. ~1845 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Maryland |
| Birth Month | Jan |
| Birth Year | 1845 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Farmer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1910
Frederick, Maryland
Head, age 65
Frederick, Maryland · implied b. ~1845 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | William H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | M3 |
| Birthplace | Maryland |
| Years Married | 30 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Farmer |
| Industry | General Farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Frederick, Maryland
Head, age 75
Frederick, Maryland · implied b. ~1845 — 7 household members
| Surname | Hoffman |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 75 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Retired |
| Industry | Farmer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| 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 William Hoffman across 3 US Census years (1900, 1910 and 1920) in Frederick, Maryland, using XGBoost record linkage.
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This person
Anchor record
William Hoffman
Head · 1920 · age 75 · b. ~1845 · Maryland
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Frederick, Maryland
Open full size
1920 US Federal Census — Frederick, Maryland
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu672unit:0629)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | William Basford | 9 | Son | None | Maryland |
| 52 | George Basford | 7 | Son | None | Maryland |
| 53 | William Harris | 46 | Head | Manager | Maryland |
| 54 | Mattie Harris | 37 | Wife | None | Maryland |
| 55 | Charles Harris | 17 | Son | Laborer | Maryland |
| 56 | Eulah Harris | 14 | Daughter | None | Maryland |
| 57 | Earl Smith | 31 | Head | Farmer | Maryland |
| 58 | Edna Smith | 26 | Wife | None | Maryland |
| 59 | Raymond Smith | 8 | Son | None | Maryland |
| 60 | James Thomas | 24 | Head | Laborer | Maryland |
| 61 | Zoria Thomas | 24 | Wife | None | Maryland |
| 62 | Edna Thomas | 7 | Daughter | None | Maryland |
| 63 | James Thomas | 6 | Son | None | Maryland |
| 64 | Catharine Thomas | 3 | Daughter | None | Maryland |
| 65 | Henry Thomas | 1 | Son | None | Maryland |
| 66 | Hamilton Humbert | 38 | Head | Manager | Maryland |
| 67 | Lydia Humbert | 32 | Wife | None | Maryland |
| 68 | Cathline Humbert | 9 | Daughter | None | Maryland |
| 69 | Rubie Humbert | 7 | Son | None | Maryland |
| 70 | Arthur Humbert | 5 | Son | None | Maryland |
| 71 | Dorotha Humbert | 2 | Daughter | None | Maryland |
| 72 | Mrs R A Boger | 65 | Mother-in-law | None | Maryland |
| 73 | George Ruthvin | 52 | Head | Dairyman | Delaware |
| 74 | Sallie Ruthvin | 54 | Wife | None | Virginia |
| 75 | Mamie Ruthvin | 20 | Daughter | Servant | Virginia |
| 76 | Viola Ruthvin | 17 | Daughter | Servant | Virginia |
| 77 | Eugene Ruthvin | 13 | Daughter | None | Maryland |
| 78 | J C Mock | 87 | Father-in-law | None | Virginia |
| 79 | John Barnhouse | 65 | Head | Laborer | Virginia |
| 80 | Bessy Barnhouse | 58 | Wife | None | Virginia |
| 81 | James Barnhouse | 30 | Son | Carpenter | Virginia |
| 82 | Mary Barnhouse | 28 | Daughter-in-law | None | Virginia |
| 83 | William Hoffman THIS PERSON | 75 | Head | Retired | Maryland |
| 84 | Francis Hoffman | 64 | Wife | None | Maryland |
| 85 | John Hoffman | 45 | Son | Farmer | Maryland |
| 86 | Anna Hoffman | 45 | Daughter-in-law | None | Maryland |
| 87 | George Hoffman | 22 | Grandson | Laborer | Maryland |
| 88 | Louis Hoffman | 20 | Grandson | Laborer | Maryland |
| 89 | Lawrence Hoffman | 17 | Grandson | None | Maryland |
| 90 | Harry Foy | 41 | Head | Farmer | Virginia |
| 91 | Bessie Foy | 41 | Wife | None | Maryland |
| 92 | Norman Foy | 16 | Son | None | Maryland |
| 93 | Howard Foy | 13 | Son | None | Maryland |
| 94 | Chester Foy | 11 | Son | None | Maryland |
| 95 | Pauline Foy | 8 | Daughter | None | Maryland |
| 96 | Mary Remsburg | 72 | Sister-in-law | None | Maryland |
| 97 | Henry Myers | 45 | Head | Farmer | Maryland |
| 98 | Ella Myers | 44 | Wife | None | Maryland |
| 99 | Edna Myers | 18 | Daughter | Servant | Maryland |
| 100 | Mabel Myers | 16 | Daughter | None | Maryland |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)