WR
William Ritter — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-County, Maryland
Our Model Tree links this William Ritter across the 1930 and 1940 US Censuses in Baltimore-County, Maryland (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 9-person household.
Age 19
b. ~1921
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-County, Maryland |
| Surname | Ritter |
| Given Name | William F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 15 |
| 1935 Residence (County) | Baltimore |
| Additional Details | |
| Occupation | Laborer |
| Industry | Father's farm |
| Class of Worker | OA |
| Hours Worked | 90 |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Laborer |
| Township / Ward | Election District 15 |
| Est. Birth Year | ~1921 |
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 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Wesley Ritter | Son | — | 7 | ~1933 |
| Henry Ritter | Son | — | 15 | ~1925 |
| George Ritter | Son | — | 17 | ~1923 |
| Conrad Ritter | Son | — | 9 | ~1931 |
| Charles Ritter | Son | — | 13 | ~1927 |
| Catherine Ritter | Spouse | — | 42 | ~1898 |
| Catherine Ritter | Daughter | — | 11 | ~1929 |
| William Ritter | Son | — | 19 | ~1921 |
| William Ritter | Head | — | 43 | ~1897 |
Census Appearances
1930
Baltimore, Maryland
Son, age 9
Baltimore, Maryland · implied b. ~1921 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ritter |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-County, Maryland
Son, age 19
Baltimore-County, Maryland · implied b. ~1921 — 9 household members
| Surname | Ritter |
| Given Name | William F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 15 |
| 1935 Residence (County) | Baltimore |
| Occupation | Laborer |
| Industry | Father's farm |
| Class of Worker | OA |
| Hours Worked | 90 |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 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 Ritter across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Ritter
Son · 1940 · age 19 · b. ~1921 · Maryland
★ You are viewing this record
Sibling
Charles Ritter
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Ritter
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wesley Ritter
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Ritter
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Conrad Ritter
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Ritter
Sibling · 1940 · age 15
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
1940 US Federal Census — Baltimore-County, Maryland
Open full size
1940 US Federal Census — Baltimore-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01507-00260)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Thomas A. Rose | 50 | Head | Compositor | Maryland |
| 42 | Lula Rose | 47 | Wife | — | Maryland |
| 43 | Thomas J. Rose | 24 | Son | Millwright | Maryland |
| 44 | Leo Kreiner | 37 | Head | Poultry Dealer | Maryland |
| 45 | Margaret F. Kreiner | 29 | Wife | — | Maryland |
| 46 | William S. Ritter | 43 | Head | Farmer | Maryland |
| 47 | Catherine Ritter | 42 | Wife | — | Maryland |
| 48 | William F. Ritter THIS PERSON | 19 | Son | Laborer | Maryland |
| 49 | George J. Ritter | 17 | Son | Laborer | Maryland |
| 50 | Henry D. Ritter | 15 | Son | — | Maryland |
| 51 | Charles H. Ritter | 13 | Son | — | Maryland |
| 52 | Catherine M. Ritter | 11 | Daughter | — | Maryland |
| 53 | Conrad Ritter | 9 | Son | — | Maryland |
| 54 | Wesley Ritter | 7 | Son | — | Maryland |
| 55 | Henry G. Eiring | 25 | Head | Utility Man | Maryland |
| 56 | Edna E. Eiring | 22 | Wife | — | Ohio |
| 57 | Barbara E. Eiring | 5 | Daughter | — | Maryland |
| 58 | Edna E. Eiring | 3 | Daughter | — | Maryland |
| 59 | Charles G. Wolf | 71 | Head | — | Maryland |
| 60 | Mary J. Wolf | 62 | Wife | — | Maryland |
| 61 | William C. Wolf | 33 | Son | Carpenter | Maryland |
| 62 | Nicholas J. Dubatto | 29 | Head | Foreman | Pennsylvania |
| 63 | Agnes M. Dubatto | 28 | Wife | — | Pennsylvania |
| 64 | Marie Dubatto | 7 | Daughter | — | Pennsylvania |
| 65 | Mary P. Aiello | 22 | Lodger | — | Pennsylvania |
| 66 | Paul Zaiken | 30 | Head | Engineer | Massachusetts |
| 67 | Sally S. Zaiken | 20 | Wife | — | New York |
| 68 | Conrad Wolf | 34 | Head | Assembly Man | Maryland |
| 69 | Evelyn G. Wolf | 28 | Wife | — | West Virginia |
| 70 | Constance M. Wolf | 10 | Daughter | — | Maryland |
| 71 | Charles W. Millward | 26 | Head | Assembly Man | Pennsylvania |
| 72 | Ann J. Millward | 26 | Wife | — | Pennsylvania |
| 73 | Audrey Millward | 1 | Daughter | — | Pennsylvania |
| 74 | Felix B. Beatty | 27 | Head | Steam-Fitter | Maryland |
| 75 | Lillian M. Beatty | 26 | Wife | — | Maryland |
| 76 | Robert E. Ward | 64 | Head | Cutter | Maryland |
| 77 | Mary G. Ward | 61 | Wife | — | Maryland |
| 78 | James A. Dell | 40 | Head | Foreman | Maryland |
| 79 | Anna J. Dell | 47 | Wife | — | Maryland |
| 80 | Frank Gawneley | Gawneky | 74 | Head | — | Germany |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)