WC
William Case — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Baltimore, Maryland
Our Model Tree links this William Case across the 1910 and 1920 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a son (b.~1898), then head of a 10-person household.
Age 22
b. ~1898
Male
Son
Born: Maryland
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Baltimore, Maryland |
| Surname | Case |
| Given Name | William A. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | England |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Electrician |
| Industry | Tug Boat |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Electrician |
| Township / Ward | 13Th District |
| Est. Birth Year | ~1898 |
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.
10 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Maria Case | Daughter | — | 15 | ~1905 |
| Carl Case | Son | — | 5 | ~1915 |
| Robert Case | Son | — | 13 | ~1907 |
| John Case | Son | — | 11 | ~1909 |
| William Case | Head | — | 53 | ~1867 |
| Emma Case | Daughter | — | 20 | ~1900 |
| William Case | Son | — | 22 | ~1898 |
| Bessie Case | Daughter | — | 18 | ~1902 |
| Cora Case | Spouse | — | 51 | ~1869 |
| Herbert Case | Son | — | 8 | ~1912 |
Census Appearances
1910
Baltimore, Maryland
Son, age 10
Baltimore, Maryland · implied b. ~1900 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Case |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Baltimore, Maryland
Son, age 22
Baltimore, Maryland · implied b. ~1898 — 10 household members
| Surname | Case |
| Given Name | William A. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | England |
| Mother's Birthplace | Maryland |
| Occupation | Electrician |
| Industry | Tug Boat |
| Class of Worker | W |
| 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 William Case across 2 US Census years (1910 and 1920) in Baltimore, Maryland, using XGBoost record linkage.
Show:
This person
Anchor record
William Case
Son · 1920 · age 22 · b. ~1898 · Maryland
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Sibling
John Case
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herbert Case
Sibling · 1920 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Case
Sibling · 1920 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maria Case
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Case
Sibling · 1920 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emma Case
Sibling · 1920 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bessie Case
Sibling · 1920 · 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
1920 US Federal Census — Baltimore, Maryland
Open full size
1920 US Federal Census — Baltimore, Maryland
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu655unit:0700)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ernest W. Munder | 11 | Son | — | Maryland |
| 2 | Mary Munder | 8 | Daughter | — | Pennsylvania |
| 3 | Dorothy Munder | 2 | Daughter | — | Maryland |
| 4 | Robert H. Crandell | 45 | Head | Carpenter | Maryland |
| 5 | Mary S. Crandell | 50 | Wife | — | Maryland |
| 6 | Richard Crandell | 20 | Son | Draftsman | Maryland |
| 7 | John G. Gardner | 44 | Head | Printer | Maryland |
| 8 | Nellie G. Gardner | 36 | Wife | — | Maryland |
| 9 | Edgar L. Gardner | 11 | Son | — | Maryland |
| 10 | Rebecca Mcquay | 61 | Head | — | Maryland |
| 11 | Elizabeth E. Mcquay | 35 | Daughter | Stenographer | Maryland |
| 12 | Albert E. Ahlefeld | 44 | Head | Agent | Maryland |
| 13 | Eleanor S. Ahlefeld | 43 | Wife | — | Maryland |
| 14 | Grace C. Ahlefeld | 19 | Daughter | Stenographer | Maryland |
| 15 | Gladys A. Ahlefeld | 16 | Daughter | — | Maryland |
| 16 | Elsie M. Ahlefeld | 13 | Daughter | — | Maryland |
| 17 | Ruth C. Ahlefeld | 9 | Daughter | — | Maryland |
| 18 | John C. Lintner | 71 | Head | Farmer | Maryland |
| 19 | Augusta K. Lintner | 65 | Wife | — | Maryland |
| 20 | Charles H. Lintner | 44 | Son | Laborer | Maryland |
| 21 | Margaret L. Lintner | 40 | Daughter | Seamstress | Maryland |
| 22 | Lizzie A. Lintner | 37 | Daughter | Seamstress | Maryland |
| 23 | Gertrude M. Lintner | 24 | Daughter | — | Maryland |
| 24 | Conrad H. Singer | 33 | Head | Clerk | Maryland |
| 25 | Catherine A. Singer | 31 | Wife | — | Maryland |
| 26 | Howard H. Singer | 11 | Son | — | Maryland |
| 27 | Melville Singer | 9 | Son | — | Maryland |
| 28 | Burton Singer | 8 | Son | — | Maryland |
| 29 | Mary A. Singer | 4 | Daughter | — | Maryland |
| 30 | Albert H. Singer | 2 | Son | — | Maryland |
| 31 | John E. Mcpherson | 49 | Head | Candymaker | Maryland |
| 32 | Emma E. Mcpherson | 52 | Wife | — | Maryland |
| 33 | John J. Weigand | 34 | Head | Brakeman | Maryland |
| 34 | Bertha V. Weigand | 30 | Wife | — | Maryland |
| 35 | Hope E. Weigand | 8 | Daughter | — | Maryland |
| 36 | John J. Weigand | 5 | Son | — | Maryland |
| 37 | Arthur H. Jenkins | 33 | Head | Carpenter | Virginia |
| 38 | Anna C. Jenkins | 32 | Wife | — | Maryland |
| 39 | Agnes G. Jenkins | 6 | Daughter | — | Maryland |
| 40 | Arthur C. Jenkins | 3 | Son | — | Maryland |
| 41 | William A. Case | 53 | Head | Painter | England |
| 42 | Cora E. Case | 51 | Wife | — | Maryland |
| 43 | William A. Jr. Case THIS PERSON | 22 | Son | Electrician | Maryland |
| 44 | Emma E. Case | 20 | Daughter | Stenographer | Maryland |
| 45 | Bessie V. Case | 18 | Daughter | — | Maryland |
| 46 | Maria V. Case | 15 | Daughter | — | Maryland |
| 47 | Robert O. Case | 13 | Son | — | Maryland |
| 48 | John E. Case | 11 | Son | — | Maryland |
| 49 | Herbert B. Case | 8 | Son | — | Maryland |
| 50 | Carl E. Case | 5 | Son | — | Maryland |
Related Census Records
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)