WZ
William Zimmerman — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Baltimore, Maryland
Our Model Tree links this William Zimmerman across the 1910 and 1920 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a son (b.~1908), then head of a 8-person household.
Age 12
b. ~1908
Male
Son
Born: Maryland
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Baltimore, Maryland |
| Surname | Zimmerman |
| Given Name | William L. |
| Relationship to Head | Son |
| Sex | M |
| 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 | 1St District |
| 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.
8 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Edith Zimmerman | Daughter | — | 10 | ~1910 |
| Emory Zimmerman | Head | — | 40 | ~1880 |
| Clifton Zimmerman | Son | — | 6 | ~1914 |
| William Zimmerman | Son | — | 12 | ~1908 |
| Harvey Zimmerman | Son | — | 13 | ~1907 |
| Charles Zimmerman | Son | — | 3 | ~1917 |
| Robert Zimmerman | Son | — | 15 | ~1905 |
| Rosa Zimmerman | Spouse | — | 39 | ~1881 |
Census Appearances
1910
Baltimore, Maryland
Son, age 1
Baltimore, Maryland · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Zimmerman |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| 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
Baltimore, Maryland
Son, age 12
Baltimore, Maryland · implied b. ~1908 — 8 household members
| Surname | Zimmerman |
| Given Name | William L. |
| Relationship to Head | Son |
| Sex | M |
| 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 William Zimmerman across 2 US Census years (1910 and 1920) in Baltimore, Maryland, using XGBoost record linkage.
Show:
This person
Anchor record
William Zimmerman
Son · 1920 · age 12 · b. ~1908 · Maryland
★ You are viewing this record
Sibling
Edith Zimmerman
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Zimmerman
Sibling · 1920 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clifton Zimmerman
Sibling · 1920 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Zimmerman
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harvey Zimmerman
Sibling · 1920 · age 13
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:1920:14thcensusofpopu654unit:0638)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Strauss Harry N. Shamer | 2 | Son | — | Maryland |
| 2 | Hilda V. Shamer | 1 | Daughter | — | Maryland |
| 3 | Richard R. Williams | 47 | Head | Farmer | Maryland |
| 4 | Daisy I. Williams | 37 | Wife | — | Maryland |
| 5 | Verna E. Williams | 10 | Daughter | — | Maryland |
| 6 | Margaret A. Williams | 6 | Daughter | — | Maryland |
| 7 | John E. Richards | 42 | Head | Carpenter | Maryland |
| 8 | Mary R. Richards | 31 | Wife | — | Maryland |
| 9 | Evelyn P. Richards | 11 | Daughter | — | Maryland |
| 10 | Wilbert E. Richards | 8 | Son | — | Maryland |
| 11 | Edith A. Richards | 6 | Daughter | — | Maryland |
| 12 | Charles E. Richards | 4 | Son | — | Maryland |
| 13 | Ethel M. Richards | 3 | Daughter | — | Maryland |
| 14 | John W. Richards | 0 | Son | — | Maryland |
| 15 | Emory N. Zimmerman | 40 | Head | Farmer | Maryland |
| 16 | Rosa M. V. Zimmerman | 39 | Wife | — | Maryland |
| 17 | Robert A. Zimmerman | 15 | Son | — | Maryland |
| 18 | Harvey E. Zimmerman | 13 | Son | — | Maryland |
| 19 | William L. Zimmerman THIS PERSON | 12 | Son | — | Maryland |
| 20 | Edith M. Zimmerman | 10 | Daughter | — | Maryland |
| 21 | Clifton C. Zimmerman | 6 | Son | — | Maryland |
| 22 | Charles W. Zimmerman | 3 | Son | — | Maryland |
| 23 | John L. Kalto | 50 | Head | Farmer | Maryland |
| 24 | Jennie L. Kalto | 43 | Wife | — | Maryland |
| 25 | Blanche M. Kalto | 21 | Daughter | — | Maryland |
| 26 | Edgar A. Kalto | 14 | Son | — | Maryland |
| 27 | Thulan C. Means | 37 | Head | Carpenter | Pennsylvania |
| 28 | Hattie M. Means | 31 | Wife | — | Maryland |
| 29 | Laura E. Means | 8 | Daughter | — | Maryland |
| 30 | William C. Means | 5 | Son | — | Maryland |
| 31 | Harlan E. Means | 3 | Son | — | Maryland |
| 32 | Francis B. Means | 0 | Son | — | Maryland |
| 33 | Frederick C. Hughes | 71 | Head | Farmer | Maryland |
| 34 | Margaret Jones | 65 | Housekeeper | Housekeeper | Virginia |
| 35 | Frank Judd | 27 | Head | Laborer | Virginia |
| 36 | James Judd | 8 | Son | — | Maryland |
| 37 | Julia Judd | 6 | Son | — | Maryland |
| 38 | Louis C. Nebul | 39 | Head | Farmer | Maryland |
| 39 | Cathryn E. Nebul | 31 | Wife | — | Maryland |
| 40 | Dorothy C. Nebul | 14 | Daughter | — | Maryland |
| 41 | Marie E. Nebul | 11 | Daughter | — | Maryland |
| 42 | Louis C. Nebul | 8 | Son | — | Maryland |
| 43 | Lillian E. Nebul | 6 | Daughter | — | Maryland |
| 44 | Carroll F. Nebul | 4 | Son | — | Maryland |
| 45 | Alice P. Nebul | 2 | Daughter | — | Maryland |
| 46 | Eva V. Nebul | 0 | Daughter | — | Maryland |
| 47 | John Hoffman | 68 | Head | Farmer | Maryland |
| 48 | Mary J. Hoffman | 61 | Wife | — | Maryland |
| 49 | Charlotte C. Smith | 34 | Daughter | — | Maryland |
| 50 | Rachel C. Smith | 7 | Daughter | — | 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)