WA
William Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this William Anderson across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents Daniel & Samuel — first a son (b.~1913), then head of a 6-person household.
Age 27
b. ~1913
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Anderson |
| Given Name | William P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Clerk |
| Industry | Retail Grocery |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 1400 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Clerk |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1913 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Edna Strelr Strehr | Daughter | — | 12 | ~1928 |
| Margaret Strelr Strehr | Daughter | — | 27 | ~1913 |
| Daniel Anderson | Head | — | 46 | ~1894 |
| Henry Strelr Strehr | Other | — | 23 | ~1917 |
| William Anderson | Son | — | 27 | ~1913 |
| Clara Anderson | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Baltimore, Maryland
Son, age 7
Baltimore, Maryland · implied b. ~1913
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Anderson |
| Given Name | William G |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| 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 |
1930
Baltimore, Maryland
Son, age 17
Baltimore, Maryland · implied b. ~1913 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| 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-City-County, Maryland
Son, age 27
Baltimore-City-County, Maryland · implied b. ~1913 — 6 household members
| Surname | Anderson |
| Given Name | William P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Clerk |
| Industry | Retail Grocery |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 1400 |
| Highest Grade | H 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 Anderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Daniel Anderson (~0.92 confidence) and father Samuel Anderson (~0.92 confidence) and mother Clara Anderson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Daniel Anderson
b. ~1894
Source father
● Household
· direct · ~0.92
Father
Samuel Anderson
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Clara Anderson
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Anderson
Son · 1940 · age 27 · b. ~1913 · Maryland
★ You are viewing this record
Sibling
Margaret Strelr Strehr
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edna Strelr Strehr
Sibling · 1940 · age 12
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-City-County, Maryland
Open full size
1940 US Federal Census — Baltimore-City-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01513-00370)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Robert Anderson | 8 | Son | — | Maryland |
| 42 | Richard Anderson | 5 | Son | — | Maryland |
| 43 | Henry Anderson | 1 | Son | — | Maryland |
| 44 | Daniel J. Anderson | 46 | Head | Engineer | Maryland |
| 45 | Clara V. Anderson | 45 | Wife | — | Maryland |
| 46 | William P. Anderson THIS PERSON | 27 | Son | Clerk | Maryland |
| 47 | Henry P. Strelr | Strehr | 23 | Son-in-law | Operator | Maryland |
| 48 | Margaret A. Strelr | Strehr | 27 | Daughter | — | Maryland |
| 49 | Edna Mae Strelr | Strehr | 12 | Daughter | — | Maryland |
| 50 | Joseph J. Farley | 45 | Head | Bookkeeper | Maryland |
| 51 | Catherine V. Farley | 40 | Wife | — | Maryland |
| 52 | Joseph J. Jr. Farley | 21 | Son | Clerk | Maryland |
| 53 | Mary M. Farley | 16 | Daughter | — | Maryland |
| 54 | Florence Holt | 43 | Daughter | — | Maryland |
| 55 | James A. Jr. Boyle | 37 | Head | Police | Maryland |
| 56 | Helen G. Boyle | 34 | Wife | — | Maryland |
| 57 | Mary E. Boyle | 13 | Daughter | — | Maryland |
| 58 | James A. Boyle | 11 | Son | — | Maryland |
| 59 | William F. Boyle | 7 | Son | — | Maryland |
| 60 | John L. Boyle | 4 | Son | — | Maryland |
| 61 | Ernest Rasepe | Rasche | 44 | Head | Electrician | Germany |
| 62 | Hattie O. Rasepe | Rasche | 43 | Wife | — | Maryland |
| 63 | Ernest W. Jr. Rasepe | Rasche | 17 | Son | — | Maryland |
| 64 | Aileen Grubert | Gubert | 35 | Lodger | Clerk | Maryland |
| 65 | Marjorie Grubert | Gubert | 15 | Lodger | — | Maryland |
| 66 | Elaine Grubert | Gubert | 11 | Lodger | — | Maryland |
| 67 | Patricia Grubert | Gubert | 10 | Lodger | — | Maryland |
| 68 | Charles E. Vogel | 46 | Head | Policeman | Maryland |
| 69 | Margaret V. Vogel | 46 | Wife | — | Maryland |
| 70 | George Mattheei | Mattheu | 59 | Head | Doorman | Maryland |
| 71 | Emma Mattheei | Mattheu | 58 | Wife | — | Maryland |
| 72 | Louis Mattheei | Mattheu | 26 | Head | Inspector | Maryland |
| 73 | Margaret V. Mattheei | Mattheu | 27 | Wife | — | Maryland |
| 74 | Nellie M. Henning | 42 | Head | Wrapper | Ohio |
| 75 | Nellie N. Henning | 23 | Daughter | Clerk | Maryland |
| 76 | Auloretta | Aubretta Henning | 17 | Daughter | — | Maryland |
| 77 | Mary Mae Henning | 10 | Daughter | — | Maryland |
| 78 | Walter S. Shad | 73 | Head | — | Maryland |
| 79 | Bessie A. Kreitman | 64 | Partner | — | Maryland |
| 80 | Roland Utterbaugh | 23 | Head | Salesman | Maryland |
Pedigree Summary
William + 2 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)