HP
Harry Parker — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Harry Parker across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents Sadie & Alice — first a son (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Parker |
| Given Name | Harry C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore |
| Additional Details | |
| Occupation | Salesman |
| Industry | Gas Equipment |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Salesman |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1918 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Anna Parker | Daughter | — | 25 | ~1915 |
| Harry Parker | Son | — | 22 | ~1918 |
| Harry Parker | Head | — | 50 | ~1890 |
| Alice Parker | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Baltimore, Maryland
Son, age 2
Baltimore, Maryland · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parker |
| Given Name | Hester |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Son, age 13
Baltimore, Maryland · implied b. ~1917 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parker |
| Given Name | Harry A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 13 |
| 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 22
Baltimore-City-County, Maryland · implied b. ~1918 — 4 household members
| Surname | Parker |
| Given Name | Harry C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore |
| Occupation | Salesman |
| Industry | Gas Equipment |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | H 2 |
| 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 Harry Parker across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Sadie Parker (~0.92 confidence) and mother Alice Parker (~0.92 confidence) and father Harry Parker (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Sadie Parker
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Alice Parker
b. ~1890
Source mother
● Household
· direct · ~0.92
Father
Harry Parker
b. ~1890
Source father
● Household
· direct · ~0.92
This person
Anchor record
Harry Parker
Son · 1940 · age 22 · b. ~1918 · Maryland
★ You are viewing this record
Sibling
Anna Parker
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 — 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-t0627-01542-00153)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clarence Jarvis | 52 | Head | Carpenter | Virginia |
| 2 | Elizabeth Jarvis | 49 | Wife | — | Maryland |
| 3 | Louise Jarvis | 18 | Daughter | New Worker | Maryland |
| 4 | Clara M Hamman | 53 | Head | — | Maryland |
| 5 | Fred G Carson | 33 | Son in law | Postmaster | Virginia |
| 6 | Dorothy Carson | 31 | Daughter | — | Maryland |
| 7 | Ann L Carson | 8 | Daughter | — | Maryland |
| 8 | William J Wilder | 31 | Head | Druggist | New Jersey |
| 9 | Mary W Wilder | 32 | Wife | — | Maryland |
| 10 | William J Jr Wilder | 1 | Son | — | Maryland |
| 11 | Jessie George | 61 | Head | — | Maryland |
| 12 | Bradford George | 28 | Son | Bookkeeper | Pennsylvania |
| 13 | Joseph W George | 23 | Son | Laborer | Maryland |
| 14 | Clyde C Rohr | 35 | Head | Asst Buyer | Maryland |
| 15 | Helen M Rohr | 33 | Wife | — | Maryland |
| 16 | Clyde C Jr Rohr | 5 | Son | — | Maryland |
| 17 | William T Whitter | 66 | Head | Machinist | Maryland |
| 18 | Minnie Whitter | 55 | Wife | — | Maryland |
| 19 | Joseph S Buseman|Bruseman | 40 | Head | Physician | Indiana |
| 20 | Emily Buseman|Bruseman | 31 | Wife | — | Maryland |
| 21 | Joseph S Jr Buseman|Bruseman | 6 | Son | — | Pennsylvania |
| 22 | Mary E Buseman|Bruseman | 3 | Daughter | — | Maryland |
| 23 | Elizabeth Buseman|Bruseman | 2 | Daughter | — | Maryland |
| 24 | William H Merridew|Merridew | 38 | Head | Manager | Maryland |
| 25 | Dorothy Merridew|Merridew | 39 | Wife | — | Maryland |
| 26 | Benjamin Baltz|Bultz | 49 | Head | District Manager | Missouri |
| 27 | Mary E Baltz|Bultz | 45 | Wife | — | Missouri |
| 28 | Pierre Dozier | 35 | Head | Bacteriologist | Montana |
| 29 | Dorothy Dozier | 32 | Wife | — | Ohio |
| 30 | Pierre Jr Dozier | 2 | Son | — | Maryland |
| 31 | Carl W Seibel | 53 | Head | Superintendent | Maryland |
| 32 | Mary E Seibel | 47 | Wife | — | Maryland |
| 33 | Carl R Seibel | 23 | Son | Painter | Maryland |
| 34 | Paul J Seibel | 20 | Son | Laborer | Maryland |
| 35 | John C Seibel | 16 | Son | — | Maryland |
| 36 | Dorothy Seibel | 12 | Daughter | — | Maryland |
| 37 | Harry H Parker | 50 | Head | Engineer | Maryland |
| 38 | Alice Parker | 50 | Wife | — | Maryland |
| 39 | Harry C Parker THIS PERSON | 22 | Son | Salesman | Maryland |
| 40 | Anna Parker | 25 | Daughter | — | Maryland |
Pedigree Summary
Harry + 1 sibling
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)