WS
William Shaffer — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this William Shaffer across the 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 10-person household.
Age 5
b. ~1925
Male
Son
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Shaffer |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | none |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1925 |
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 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Annie Shaffer | Spouse | — | 42 | ~1888 |
| Frank Wolf | Other | — | 33 | ~1897 |
| Ida Shaffer | Daughter | — | 10 | ~1920 |
| Dorothy Shaffer | Daughter | — | 15 | ~1915 |
| Harry Shaffer | Head | — | 43 | ~1887 |
| Harry Shaffer | Son | — | 7 | ~1923 |
| Elizabeth Shaffer | Other | — | 72 | ~1858 |
| Beatrice Shaffer | Daughter | — | 12 | ~1918 |
| William Shaffer | Son | — | 5 | ~1925 |
| Catherine Shaffer | Daughter | — | 22 | ~1908 |
Census Appearances
1930
Baltimore, Maryland
Son, age 5
Baltimore, Maryland · implied b. ~1925 — 10 household members
| Surname | Shaffer |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Son, age 15
Baltimore-City-County, Maryland · implied b. ~1925 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schaffer |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Industry | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| 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 Shaffer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Shaffer
Son · 1930 · age 5 · b. ~1925 · Maryland
★ You are viewing this record
Sibling
Catherine Shaffer
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beatrice Shaffer
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Shaffer
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ida Shaffer
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Shaffer
Sibling · 1930 · age 7
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 — Baltimore, Maryland
Open full size
1930 US Federal Census — Baltimore, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus857unit:0201)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Luisha Emma L. Fisher | 18 | daughter | Packer | Maryland |
| 52 | Eugenia Fisher | 16 | daughter | None | Maryland |
| 53 | John Fisher | 14 | son | None | Maryland |
| 54 | Worrell David Fisher | 24 | son-in-law | Electrician | Maryland |
| 55 | M. Doris Fisher | 2 | granddaughter | None | Maryland |
| 56 | Lois Fisher | 0 | granddaughter | None | Maryland |
| 57 | Harry G. Shaffer | 43 | Head | Salesman | Maryland |
| 58 | Annie E. Shaffer | 42 | wife | None | Maryland |
| 59 | Catherine Shaffer | 22 | daughter | Operator | Maryland |
| 60 | Dorothy Shaffer | 15 | daughter | None | Maryland |
| 61 | Beatrice Shaffer | 12 | daughter | None | Maryland |
| 62 | Ida Shaffer | 10 | daughter | None | Maryland |
| 63 | Harry Shaffer | 7 | son | None | Maryland |
| 64 | William Shaffer THIS PERSON | 5 | son | None | Maryland |
| 65 | Frank Wolf | 33 | boarder | Sprayer | Maryland |
| 66 | Elizabeth Shaffer | 72 | Mother | None | Maryland |
| 67 | Elizabeth Eout | 54 | Head | None | Maryland |
| 68 | Beatrice Eout | 23 | daughter | Stenographer | Maryland |
| 69 | Frances Eout | 20 | daughter | Stenographer | Maryland |
| 70 | John Eout | 17 | son | Stenographer | Maryland |
| 71 | Esther Eout | 14 | daughter | None | Maryland |
| 72 | Emily M. Eout | 12 | daughter | None | Maryland |
| 73 | David Eout | 5 | son | None | Maryland |
| 74 | James Lee | 49 | Head | Pipe Fitter | Maryland |
| 75 | Clara E. Lee | 52 | wife | None | Pennsylvania |
| 76 | Eleanor Lee | 27 | daughter | Nurse | Virginia |
| 77 | William B. Ross | 49 | Head | Engineer | Maryland |
| 78 | Bertie V. Ross | 48 | wife | None | Maryland |
| 79 | Leroy H. Ross | 20 | son | Lithograph | Maryland |
| 80 | Mildred G. Ross | 17 | daughter | Clerk | Maryland |
| 81 | Harry E. Sullivan | 40 | Head | Conductor | Maryland |
| 82 | Gertrude Sullivan | 46 | wife | None | Maryland |
| 83 | Raymond Sullivan | 26 | son | None | Maryland |
| 84 | Thelma Sullivan | 22 | daughter | None | Maryland |
| 85 | Jack Sullivan | 9 | son | None | Maryland |
| 86 | James Sullivan | 5 | son | None | Maryland |
| 87 | Elizabeth Sullivan | 42 | sister-in-law | Operator | Maryland |
| 88 | Richard Matthews | 53 | Head | Manager | Maryland |
| 89 | Mary E. Matthews | 48 | wife | None | Maryland |
| 90 | Anna G. Moore | 62 | boarder | Manicurist | Maryland |
| 91 | Sarah Scott | 47 | boarder | Operator | Maryland |
| 92 | Joseph Lassie | 63 | Head | Pattern Maker | Maryland |
| 93 | Anna M. Lassie | 59 | wife | None | Maryland |
| 94 | Joseph L. Lassie | 31 | son | Salesman | Illinois |
| 95 | Catherine Francis | 48 | sister-in-law | None | Maryland |
| 96 | Robert G. Lutz | 37 | Head | Machinist | Maryland |
| 97 | Annie M. Lutz | 36 | wife | None | Maryland |
| 98 | Lois M. Lutz | 11 | daughter | None | Maryland |
| 99 | Doris V. Lutz | 9 | daughter | None | Maryland |
| 100 | Hilda J. Lutz | 5 | daughter | None | Maryland |
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)