WZ
William Zimmerman — 1930 US Census Record
Model Tree available1930 United States Federal Census · Frederick, Maryland
Our Model Tree links this William Zimmerman across the 1910, 1920 and 1930 US Censuses in Frederick, Maryland (XGBoost, ~Confirmed), with identified parents Andrew & Andrew — first a son (b.~1908), then head of a 5-person household.
Age 22
b. ~1908
Male
Son
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Frederick, Maryland |
| Surname | Zimmerman |
| Given Name | William E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Cashier |
| Industry | Bank |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Cashier |
| Township / Ward | New Market Town |
| 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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Annie Zimmerman | Daughter | — | 17 | ~1913 |
| Andrew Zimmerman | Head | — | 59 | ~1871 |
| Mary Zimmerman | Other | — | 55 | ~1875 |
| Paul Zimmerman | Son | — | 19 | ~1911 |
| William Zimmerman | Son | — | 22 | ~1908 |
Census Appearances
1910
Frederick, Maryland
Son, age 2
Frederick, Maryland · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Zimmerman |
| Given Name | William E. |
| Relationship to Head | Son |
| Sex | M |
| 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 |
1920
Frederick, Maryland
Son, age 11
Frederick, Maryland · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Zimmerman |
| Given Name | William H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| 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 |
1930
Frederick, Maryland
Son, age 22
Frederick, Maryland · implied b. ~1908 — 5 household members
| Surname | Zimmerman |
| Given Name | William E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Cashier |
| Industry | Bank |
| Class of Worker | W |
| Can Read/Write | 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 3 US Census years (1910, 1920 and 1930) in Frederick, Maryland, using XGBoost record linkage. Identified parents: father Andrew Zimmerman (~0.92 confidence) and father Andrew Zimmerman (~0.92 confidence) and mother Maria Zimmerman (~0.92 confidence) and mother Mary Zimmerman (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Andrew Zimmerman
b. ~1871
Source father
● Household
· direct · ~0.92
Father
Andrew Zimmerman
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Maria Zimmerman
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Mary Zimmerman
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Zimmerman
Son · 1930 · age 22 · b. ~1908 · Maryland
★ You are viewing this record
Sibling
Annie Zimmerman
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Zimmerman
Sibling · 1930 · age 19
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
1930 US Federal Census — Frederick, Maryland
Open full size
1930 US Federal Census — Frederick, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus874unit:0634)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Emma A. | 54 | wife H | None | Maryland |
| 52 | Marshall W. Baker | 52 | Head | Carpenter | Maryland |
| 53 | Maude H. Baker | 53 | wife H | None | Maryland |
| 54 | Samuel W. Harris | 62 | Head | Labor | Maryland |
| 55 | May D. Harris | 58 | wife H | None | Maryland |
| 56 | Frank L. Mezley | 65 | Boarder | Labor | Maryland |
| 57 | Dorye C. Stevens | 46 | Head | Machinist | Maryland |
| 58 | Nellie O. Stevens | 38 | Sister | None | Maryland |
| 59 | Clarence J. Stevens | 44 | Head | Machinist | Maryland |
| 60 | Grace S. Stevens | 37 | wife H | None | Maryland |
| 61 | Grayson C. Stevens | 15 | Son | None | Maryland |
| 62 | Ruth E. Stevens | 13 | Daughter | None | Maryland |
| 63 | Isabell R. Buyer | 87 | Head | None | Maryland |
| 64 | Mary A. Buyer | 64 | Niece | None | Maryland |
| 65 | Edward W. Buyer | 63 | Head | Farmer | Maryland |
| 66 | Ada F. Buyer | 58 | wife H | None | Maryland |
| 67 | Howard R. Buyer | 25 | Son | Porter | Maryland |
| 68 | Milch H. Buyer | 15 | Son | None | Maryland |
| 69 | Ida M. Rippeon | 52 | Head | None | Pennsylvania |
| 70 | Mamie E. Rippeon | 16 | Daughter | None | Maryland |
| 71 | Hilda E. Rippeon | 13 | Daughter | None | Maryland |
| 72 | William E. Fulcomer | 62 | Head | Carpenter | Maryland |
| 73 | Elizabeth Fulcomer | 59 | wife H | None | Maryland |
| 74 | Julian K. Fulcomer | 27 | Son | Carpenter | Maryland |
| 75 | Charlotte L. Fulcomer | 25 | Daughter | Operator | Maryland |
| 76 | Rose L. Miller | 68 | Head | None | Maryland |
| 77 | Andrew J. Zimmerman | 59 | Head | Merchant | Maryland |
| 78 | Mary M. Zimmerman | 55 | wife H | None | Maryland |
| 79 | William E. Zimmerman THIS PERSON | 22 | Son | Cashier | Maryland |
| 80 | Paul V. Zimmerman | 19 | Son | Bookkeeper | Maryland |
| 81 | Annie V. Zimmerman | 17 | Daughter | None | Maryland |
| 82 | Frank A. Hammond | 58 | Head | None | Maryland |
| 83 | William L. Grimes | 67 | Head | Salesman | Maryland |
| 84 | Susan B. Grimes | 62 | wife H | Inn Keeper | Maryland |
| 85 | John J. Simpson | 54 | Head | None | Maryland |
| 86 | Jessie J. Simpson | 22 | Son | Truck Driver | Maryland |
| 87 | Lloyd Simpson | 18 | Son | None | Maryland |
| 88 | Richard Simpson | 17 | Son | Labor | Maryland |
| 89 | George W. Nansell | 84 | Head | None | Maryland |
| 90 | Anna M. Nansell | 70 | wife H | None | Maryland |
| 91 | Nellie G. Nansell | 70 | Sister | None | Maryland |
| 92 | Frank N. Maynard | 73 | Head | Manager | Maryland |
| 93 | Dorothy E. Maynard | 62 | wife H | None | Maryland |
| 94 | Charles E. Sheets | 33 | Head | Truck Driver | Maryland |
| 95 | Annie B. Sheets | 34 | wife H | None | Maryland |
| 96 | Charles E. Sheets | 9 | Son | None | Maryland |
| 97 | Preston C. Sheets | 7 | Son | None | Maryland |
| 98 | Leroy Sheets | 3 | Son | None | Maryland |
| 99 | William W. Cutrail | 68 | Head | None | Maryland |
| 100 | Nelly Cutrail | 57 | wife H | None | Maryland |
Pedigree Summary
William + 2 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)