WC
William Collier — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Charles-County, Maryland
Our Model Tree links this William Collier across the 1930 and 1940 US Censuses in Charles-County, Maryland (XGBoost, ~Confirmed) — first a head (b.~1888), then head of a 8-person household.
Age 52
b. ~1888
Male
Head
Born: Virginia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Charles-County, Maryland |
| Surname | Collier |
| Given Name | William J. B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Charles |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 65 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Maryland |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | Farmer |
| Township / Ward | Election District 8 Bryantown |
| Est. Birth Year | ~1888 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Marian Collier | Daughter | — | 14 | ~1926 |
| Goldie Collier | Spouse | — | 44 | ~1896 |
| Barbara Collier | Daughter | — | 15 | ~1925 |
| Margaret Collier | Daughter | — | 18 | ~1922 |
| Doris Collier | Daughter | — | 11 | ~1929 |
| Mayne Collier | Daughter | — | 9 | ~1931 |
| William Collier | Head | — | 52 | ~1888 |
| Annie Collier | Daughter | — | 5 | ~1935 |
Census Appearances
1930
Charles, Maryland
Head, age 42
Charles, Maryland · implied b. ~1888 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Collier |
| Given Name | William J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Virginia |
| Age at First Marriage | 21 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Charles-County, Maryland
Head, age 52
Charles-County, Maryland · implied b. ~1888 — 8 household members
| Surname | Collier |
| Given Name | William J. B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Charles |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 65 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Maryland |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 Collier across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
William Collier
Head · 1940 · age 52 · b. ~1888 · Maryland
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Charles-County, Maryland
Open full size
1940 US Federal Census — Charles-County, Maryland
Page Contents
32 people indexed on this census page (nara:1940:m-t0627-01546-00421)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jane L. Hawley | 68 | Wife | — | Maryland |
| 2 | Francis A. Hawley | 28 | Son | Laborer | Maryland |
| 3 | Joseph S. Hawley | 25 | Son | Laborer | Maryland |
| 4 | Thelma Lippold | 35 | Daughter | — | Maryland |
| 5 | Shirley Lippold | 3 | Granddaughter | — | Maryland |
| 6 | Richard Lippold | 0 | Grandson | — | Maryland |
| 7 | Leo B. Scott | 40 | Head | Farmer | Maryland |
| 8 | Blanche Scott | 38 | Wife | — | Maryland |
| 9 | Godfrey Scott | 19 | Son | Laborer | Maryland |
| 10 | Richard Scott | 16 | Son | Laborer | Maryland |
| 11 | Regina Scott | 15 | Daughter | — | Maryland |
| 12 | Joseph Scott | 12 | Son | — | Maryland |
| 13 | Louis Scott | 6 | Son | — | Maryland |
| 14 | Alice Scott | 2 | Daughter | — | Maryland |
| 15 | Harry Welch | 9 | Nephew | — | Maryland |
| 16 | James Carrico | 50 | Head | Engr Poultry Plant | Virginia |
| 17 | Clarence B. Lucas | 33 | Head | Farmer | Maryland |
| 18 | Dorothy Lucas | 25 | Wife | — | Maryland |
| 19 | Joseph Lucas | 3 | Son | — | Maryland |
| 20 | Joseph Coe | 19 | Lodger | Laborer | Maryland |
| 21 | Aloysius Middleton | 75 | Head | — | Maryland |
| 22 | Mary B. Middleton | 65 | Wife | — | Maryland |
| 23 | Charles E. Middleton | 40 | Son | Farmer | Maryland |
| 24 | Mollie B. Key | 80 | Head | — | Maryland |
| 25 | William J. B. Collier THIS PERSON | 52 | Head | Farmer | Virginia |
| 26 | Goldie Collier | 44 | Wife | Helper | Virginia |
| 27 | Margaret Collier | 18 | Daughter | — | Virginia |
| 28 | Barbara Collier | 15 | Daughter | — | Maryland |
| 29 | Marian Collier | 14 | Daughter | — | Maryland |
| 30 | Doris Collier | 11 | Daughter | — | Maryland |
| 31 | Mayne Collier | 9 | Daughter | — | Maryland |
| 32 | Annie Collier | 5 | Daughter | — | Maryland |
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)