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Mary Wolfe — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Frederick, Maryland
Our Model Tree links this Mary Wolfe across the 1910 and 1920 US Censuses in Frederick, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1908), then head of a 9-person household.
Age 12
b. ~1908
Female
Daughter
Born: Maryland
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Frederick, Maryland |
| Surname | Wolfe |
| Given Name | Mary Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Election Dist 7 Urbana |
| Est. Birth Year | ~1908 |
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.
9 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Nellie Wolfe | Daughter | — | 2 | ~1918 |
| Thelma Wolfe | Daughter | — | 9 | ~1911 |
| Mary Wolfe | Daughter | — | 12 | ~1908 |
| Harry Wolfe | Head | — | 35 | ~1885 |
| Clara Wolfe | Spouse | — | 36 | ~1884 |
| Eugene Wolfe | Son | — | 14 | ~1906 |
| Charles Wolfe | Son | — | 4 | ~1916 |
| Harry Wolfe | Son | — | 16 | ~1904 |
| Clara Wolfe | Daughter | — | 8 | ~1912 |
Census Appearances
1910
Frederick, Maryland
Daughter, age 1
Frederick, Maryland · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wolf |
| Given Name | Margaret H |
| 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 |
1920
Frederick, Maryland
Daughter, age 12
Frederick, Maryland · implied b. ~1908 — 9 household members
| Surname | Wolfe |
| Given Name | Mary Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| 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 |
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 Mary Wolfe across 2 US Census years (1910 and 1920) in Frederick, Maryland, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Wolfe
Daughter · 1920 · age 12 · b. ~1908 · Maryland
★ You are viewing this record
Sibling
Thelma Wolfe
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nellie Wolfe
Sibling · 1920 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Wolfe
Sibling · 1920 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Wolfe
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clara Wolfe
Sibling · 1920 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Wolfe
Sibling · 1920 · age 14
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
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:1109)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Vincent Thompson | 1 | Son | — | Maryland |
| 52 | Nathan Hall | 37 | Head | Laborer | Maryland |
| 53 | Rachel Hall | 19 | Wife | — | Maryland |
| 54 | Charles Hall | 0 | Son | — | Maryland |
| 55 | Walter H. Harfield | 52 | Head | Farmer | Maryland |
| 56 | Frances M. Harfield | 46 | Wife | — | Maryland |
| 57 | Bessie G. Harfield | 16 | Daughter | — | Maryland |
| 58 | Nellie L. Harfield | 14 | Daughter | — | Maryland |
| 59 | Albert E. Harfield | 12 | Son | — | Maryland |
| 60 | Gladys M. Harfield | 10 | Daughter | — | Maryland |
| 61 | C. Carroll Harfield | 22 | Son | Laborer | Maryland |
| 62 | Edgar Harfield | 18 | Son | Laborer | Maryland |
| 63 | Lloyd S. Beck | 37 | Head | Fireman | Maryland |
| 64 | Bessie Beck | 41 | Wife | — | Maryland |
| 65 | William H. Beck | 15 | Son | Laborer | Maryland |
| 66 | Raymond Beck | 13 | Son | — | Maryland |
| 67 | Evelyn V. Beck | 12 | Daughter | — | Maryland |
| 68 | Margaret Beck | 10 | Daughter | — | Maryland |
| 69 | Mary L. Beck | 7 | Daughter | — | Maryland |
| 70 | Pauline A. Beck | 4 | Daughter | — | Maryland |
| 71 | Austin B. Beck | 2 | Son | — | Maryland |
| 72 | Harry H. Wolfe | 35 | Head | Merchant | Maryland |
| 73 | Clara Wolfe | 36 | Wife | — | Maryland |
| 74 | Harry Wolfe | 16 | Son | — | Maryland |
| 75 | Eugene Wolfe | 14 | Son | — | Maryland |
| 76 | Mary Grace Wolfe THIS PERSON | 12 | Daughter | — | Maryland |
| 77 | Thelma Wolfe | 9 | Daughter | — | Maryland |
| 78 | Clara V. Wolfe | 8 | Daughter | — | Maryland |
| 79 | Charles Wolfe | 4 | Son | — | Maryland |
| 80 | Nellie Wolfe | 2 | Daughter | — | Maryland |
| 81 | Dorey L. Eden | 46 | Head | Farmer | Maryland |
| 82 | Nettie E. Eden | 40 | Wife | — | Maryland |
| 83 | Theodore F. Eden | 18 | Son | Hostler | Maryland |
| 84 | Dorey L. Jr. Eden | 16 | Son | — | Maryland |
| 85 | Ruth M. Eden | 14 | Daughter | — | Maryland |
| 86 | Nettie E. Eden | 12 | Daughter | — | Maryland |
| 87 | Irvin E. Eden | 9 | Son | — | Maryland |
| 88 | Al B. Ifert | 50 | Head | Farmer | Maryland |
| 89 | Fannie M. Ifert | 44 | Wife | — | Maryland |
| 90 | Alonzo Ifert | 19 | Son | Clerk | Maryland |
| 91 | Howard B. Ifert | 16 | Son | — | Maryland |
| 92 | Lloyd A. Ifert | 14 | Son | — | Maryland |
| 93 | Julia M. Ifert | 12 | Daughter | — | Maryland |
| 94 | Earl S. Ifert | 11 | Son | — | Maryland |
| 95 | J. H. Shipley | 82 | Uncle-in-law | — | Maryland |
| 96 | Alfred Miller | 39 | Head | Farmer | Maryland |
| 97 | Nellie Miller | 39 | Wife | — | Maryland |
| 98 | Marie Miller | 11 | Daughter | — | Maryland |
| 99 | Lola Miller | 8 | Daughter | — | Maryland |
| 100 | Ralph Miller | 19 | Son | Laborer | 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)