WA
William Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Harford-County, Maryland
Our Model Tree links this William Anderson across the 1920, 1930 and 1940 US Censuses in Harford-County, Maryland (XGBoost, ~Confirmed), with identified parents John & William — first a son (b.~1916), then head of a 6-person household.
Age 24
b. ~1916
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Harford-County, Maryland |
| Surname | Anderson |
| Given Name | William H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Bel Air |
| 1935 Residence (County) | Harford |
| Additional Details | |
| Occupation | clerk |
| Industry | Bank |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1082 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Clerk |
| Township / Ward | Bel Air |
| Est. Birth Year | ~1916 |
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 |
|---|---|---|---|---|
| Catherine Anderson | Daughter | — | 16 | ~1924 |
| William Anderson | Head | — | 51 | ~1889 |
| William Anderson | Son | — | 24 | ~1916 |
| John Anderson | Son | — | 25 | ~1915 |
| Thomas Anderson | Son | — | 20 | ~1920 |
| Mary Anderson | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Harford, Maryland
Son, age 3
Harford, Maryland · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | William H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Harford, Maryland
Son, age 14
Harford, Maryland · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | William H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| 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
Harford-County, Maryland
Son, age 24
Harford-County, Maryland · implied b. ~1916 — 6 household members
| Surname | Anderson |
| Given Name | William H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Bel Air |
| 1935 Residence (County) | Harford |
| Occupation | clerk |
| Industry | Bank |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1082 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| 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 John Anderson (~0.92 confidence) and father William Anderson (~0.92 confidence) and father John Anderson (~0.92 confidence) and mother Mary Anderson (~0.92 confidence) and mother Mary Anderson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Anderson
b. ~1883
Source father
● Household
· direct · ~0.92
Father
William Anderson
b. ~1889
Source father
● Household
· direct · ~0.92
Father
John Anderson
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Mary Anderson
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Mary Anderson
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Anderson
Son · 1940 · age 24 · b. ~1916 · Maryland
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Sibling
Catherine Anderson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Anderson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Anderson
Sibling · 1940 · age 25
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 — Harford-County, Maryland
Open full size
1940 US Federal Census — Harford-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01551-00360)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lewis Q. Getz | 44 | Head | Proprietor | Penn |
| 2 | Tillie Getz | 35 | Wife | — | Maryland |
| 3 | Morton Getz | 13 | Son | — | Maryland |
| 4 | Stanley Getz | 6 | Son | — | Maryland |
| 5 | Allen Getz | 5 | Son | — | Maryland |
| 6 | Nathan Corbin | 48 | Head | Manufacturer | Maryland |
| 7 | Elizabeth Corbin | 50 | Wife | — | Maryland |
| 8 | Clayton Corbin | 23 | Son | Truck Driver | Maryland |
| 9 | Marie Corbin | 23 | Daughter | — | Maryland |
| 10 | H. M. Carroll | 41 | Lodger | County Agent | Maryland |
| 11 | Pierson Jackson | 48 | Laborer | Laborer | Maryland |
| 12 | Mary D. Kunkle | 31 | Head | Bookkeeper | Maryland |
| 13 | William Kunkle | 12 | Son | — | Maryland |
| 14 | William D. Burkins | 81 | Head | — | Maryland |
| 15 | Mamie Burkins | 55 | Wife | — | Maryland |
| 16 | Daisy Greer | 28 | Housekeeper | Housekeeper | Virginia |
| 17 | Frank Shaw | 27 | Head | Manager | Maryland |
| 18 | Rae Shaw | 25 | Wife | — | Maryland |
| 19 | Frank Jr. Shaw | 2 | Son | — | Maryland |
| 20 | Cora Evans | 65 | Head | — | Maryland |
| 21 | Jessie Garrell | 52 | Lodger | Stenographer | Maryland |
| 22 | James D. Harley | 48 | Head | Building Contractor | Maryland |
| 23 | Hattie Harley | 48 | Wife | — | Maryland |
| 24 | Vinton Harley | 24 | Son | Machinist | Maryland |
| 25 | Merle-Ab Harley | 22 | Son | New Worker | Maryland |
| 26 | Grace Harley | 19 | Daughter | — | Maryland |
| 27 | Thomas Harley | 17 | Son | — | Maryland |
| 28 | William Anderson | 51 | Head | Accountant | Maryland |
| 29 | Mary D. Anderson | 50 | Wife | — | Maryland |
| 30 | John Anderson | 25 | Son | Clerk | Maryland |
| 31 | William H. Anderson THIS PERSON | 24 | Son | Clerk | Maryland |
| 32 | Thomas Anderson | 20 | Son | Truck Driver | Maryland |
| 33 | Catherine Anderson | 16 | Daughter | — | Maryland |
| 34 | William Jones | 42 | Head | Electrician | Maryland |
| 35 | Mary Jones | 41 | Wife | — | Maryland |
| 36 | Marylou Jones | 3 | Daughter | — | Maryland |
| 37 | Morris S. Ritchie | 41 | Head | Mechanic | Maryland |
| 38 | Edel Ritchie | 37 | Wife | — | Maryland |
| 39 | Helen Ritchie | 11 | Daughter | — | Maryland |
| 40 | Marie Ritchie | 10 | Daughter | — | Maryland |
Related Census Records
Pedigree Summary
William + 3 siblings
Gen 1 · 5 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)