WP
William Parks — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this William Parks across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents William & Mary — first a head (b.~1908), then head of a 5-person household.
Age 32
b. ~1908
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Parks |
| Given Name | William |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | nurse |
| Industry | own business |
| Class of Worker | OA |
| Hours Worked | 35 |
| Highest Grade | No H-4 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Nurse |
| Township / Ward | Baltimore |
| Est. Birth Year | ~1908 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Thomas Parks | Son | — | 7 | ~1933 |
| Lula Parks | Daughter | — | 8 | ~1932 |
| Alethia Parks | Spouse | — | 29 | ~1911 |
| Shirley Parks | Daughter | — | 10 | ~1930 |
| William Parks | Head | — | 32 | ~1908 |
Census Appearances
1920
Baltimore, Maryland
Son, age 11
Baltimore, Maryland · implied b. ~1909 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parks |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
None, Maryland
Head, age 21
None, Maryland · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parks |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 17 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Usher |
| Industry | Theatre |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 13.00 |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Head, age 32
Baltimore-City-County, Maryland · implied b. ~1908 — 5 household members
| Surname | Parks |
| Given Name | William |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore City |
| Occupation | nurse |
| Industry | own business |
| Class of Worker | OA |
| Hours Worked | 35 |
| Highest Grade | No 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 Parks across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father William Parks (~0.92 confidence) and mother Mary Parks (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Parks
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Mary Parks
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Parks
Head · 1940 · age 32 · b. ~1908 · Maryland
★ You are viewing this record
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-t0627-01532-00402)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Nelle Wallace | 10 | son | — | Maryland |
| 42 | Charles C. White | 35 | head | Steel Distributer | Tennessee |
| 43 | Nora M. White | 37 | wife | Saleslady | Maryland |
| 44 | Samuel Richardson | 60 | father-in-law | Machinist | Maryland |
| 45 | John W. Parker | 54 | head | Stationary Engineer | Pennsylvania |
| 46 | Agnes Parker | 51 | wife | — | Maryland |
| 47 | Alberta Matthews | 96 | mother-in-law | — | Maryland |
| 48 | Charles Constantino | 39 | head | Machinist | Maryland |
| 49 | Harriette Constantino | 35 | wife | — | Maryland |
| 50 | Mary Constantino | 16 | daughter | — | Maryland |
| 51 | Raimondo Constantino | 11 | son | — | Maryland |
| 52 | Travers Constantino | 9 | son | — | Maryland |
| 53 | Joyce Constantino | 8 | son | — | Maryland |
| 54 | Gerard Constantino | 2 | son | — | Maryland |
| 55 | William J. Labanz | 45 | head | Bookkeeper | Hungary |
| 56 | Clara Labanz | 43 | wife | — | Ohio |
| 57 | Rita Labanz | 18 | daughter | — | Maryland |
| 58 | Bernice Labanz | 14 | daughter | — | Maryland |
| 59 | Mary Labanz | 10 | daughter | — | Maryland |
| 60 | Virginia Labanz | 8 | daughter | — | Maryland |
| 61 | Louis C. Beckhusen | 55 | head | Book Binder | Maryland |
| 62 | Ada M. Beckhusen | 54 | wife | — | Maryland |
| 63 | John Young | 47 | head | Floor Man | Maryland |
| 64 | Eva Young | 44 | wife | — | Maryland |
| 65 | John Jr. Young | 23 | son | Moulder | Maryland |
| 66 | George Young | 21 | son | Silversmith | Maryland |
| 67 | Joseph Mangone | 34 | head | Moulder Helper | Brazil |
| 68 | Antonette Mangone | 32 | wife | Button Hole Maker | Italy |
| 69 | Bernard Mangone | 9 | son | — | Maryland |
| 70 | Dorothy Mangone | 7 | daughter | — | Maryland |
| 71 | Andreone Fortunate | 22 | brother-in-law | Cutter | Maryland |
| 72 | William Baker | 30 | head | Ash Collector | Maryland |
| 73 | Annie Baker | 26 | wife | — | Maryland |
| 74 | Elizabeth Baker | 0 | daughter | — | Maryland |
| 75 | William Parks THIS PERSON | 32 | head | Nurse | Maryland |
| 76 | Alethia Parks | 29 | wife | — | Maryland |
| 77 | Shirley Parks | 10 | daughter | — | Maryland |
| 78 | Lula Parks | 8 | daughter | — | Maryland |
| 79 | Thomas Parks | 7 | son | — | Maryland |
| 80 | Thomas H. Forrest | 61 | head | House Painter | Maryland |
Pedigree Summary
William
Gen 1 · 2 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)