WP
William Parks — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this William Parks across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 9-person household.
Age 16
b. ~1924
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Parks |
| Given Name | William J. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | New Worker |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | New Worker |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1924 |
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 |
|---|---|---|---|---|
| Robert Parks | Son | — | 5 | ~1935 |
| Hazel Parks | Daughter | — | 9 | ~1931 |
| Peggy Parks | Daughter | — | 11 | ~1929 |
| William Parks | Son | — | 16 | ~1924 |
| Gloria Parks | Daughter | — | 1 | ~1939 |
| Jean Parks | Son | — | 7 | ~1933 |
| Helen Parks | Spouse | — | 34 | ~1906 |
| Joan Parks | Daughter | — | 3 | ~1937 |
| Shirley Parks | Daughter | — | 13 | ~1927 |
Census Appearances
1930
Baltimore, Maryland
Son, age 4
Baltimore, Maryland · implied b. ~1926 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parks |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Son, age 16
Baltimore-City-County, Maryland · implied b. ~1924 — 9 household members
| Surname | Parks |
| Given Name | William J. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | New Worker |
| Highest Grade | H 1 |
| 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 Parks across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Parks
Son · 1940 · age 16 · b. ~1924 · Maryland
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Sibling
Peggy Parks
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Parks
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Parks
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gloria Parks
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Parks
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Parks
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hazel Parks
Sibling · 1940 · age 9
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-t0627-01521-00341)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Helen F. Parks | 34 | Wife | — | Maryland |
| 2 | William J. Jr. Parks THIS PERSON | 16 | Son | New Worker | Maryland |
| 3 | Shirley L. Parks | 13 | Daughter | — | Maryland |
| 4 | Peggy L. Parks | 11 | Daughter | — | Maryland |
| 5 | Hazel J. Parks | 9 | Daughter | — | Maryland |
| 6 | Jean A. Parks | 7 | Son | — | Maryland |
| 7 | Robert H. Parks | 5 | Son | — | Maryland |
| 8 | Joan D. Parks | 3 | Daughter | — | Maryland |
| 9 | Gloria A. Parks | 1 | Daughter | — | Maryland |
| 10 | Wilhelm Klob | 73 | Head | Laborer | Vermont |
| 11 | Annie E. Mcdonald | 73 | Lodger | — | Virginia |
| 12 | George H. Hillers | 59 | Head | War Pension | Scotland |
| 13 | Mary E. | 33 | Wife | — | Maryland |
| 14 | George E. | 18 | Son | — | Maryland |
| 15 | Evelyn M. | 5 | Daughter | — | Maryland |
| 16 | Catherine M. | 3 | Daughter | — | Maryland |
| 17 | George T. | 1 | Son | — | Maryland |
| 18 | Robert L. Douglas | 13 | Nephew | — | Maryland |
| 19 | Walter R. Hodd | 46 | Head | Painter | Maryland |
| 20 | Margaret H. | 44 | Wife | — | Virginia |
| 21 | Emma E. M. | 16 | Daughter | — | Maryland |
| 22 | Mildred J. | 15 | Daughter | — | Maryland |
| 23 | Ida May | 12 | Daughter | — | Maryland |
| 24 | Shirley | 10 | Daughter | — | Maryland |
| 25 | William E. Allen | 68 | Head | Pensioned | Virginia |
| 26 | Lena V. | 67 | Wife | Pensioned | Virginia |
| 27 | Dewey Harden | 42 | Head | Upholsterer | North Carolina |
| 28 | Selma | 30 | Wife | — | Virginia |
| 29 | Norman P. Bellwood | 32 | Head | Machinist Helper | Virginia |
| 30 | Evelyn B. | 28 | Wife | — | Maryland |
| 31 | Virginia L. | 5 | Daughter | — | Maryland |
| 32 | David A. | 3 | Son | — | Maryland |
| 33 | Clarence E. Mixter | 30 | Head | Chauffeur | Maryland |
| 34 | Shelba | 28 | Wife | — | Virginia |
| 35 | Carole | 2 | Daughter | — | Maryland |
| 36 | Lemuel Sentz | 49 | Head | Operator | Maryland |
| 37 | Florence | 46 | Wife | — | Maryland |
| 38 | Doris | 18 | Daughter | New Worker | Maryland |
| 39 | Mary E. Staffey | 71 | Head | — | Maryland |
| 40 | James L. | 37 | Son | Plumber | 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)