JP
James Parker — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this James Parker across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents Florence — first a son (b.~1919), then head of a 2-person household.
Age 21
b. ~1919
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Parker |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Pressman |
| Industry | Rubber Heel Plant |
| Class of Worker | PW |
| Hours Worked | 26 |
| Income (1939) | 605 |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Pressman |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1919 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Florence Parker | Head | — | 57 | ~1883 |
| James Parker | Son | — | 21 | ~1919 |
Census Appearances
1920
Baltimore, Maryland
Other, age 2
Baltimore, Maryland · implied b. ~1918 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parker |
| Given Name | James |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Other, age 11
Baltimore, Maryland · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parker |
| Given Name | James |
| Relationship to Head | Step-son |
| Sex | M |
| Color / Race | Black |
| Age | 11 |
| 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 21
Baltimore-City-County, Maryland · implied b. ~1919 — 2 household members
| Surname | Parker |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Pressman |
| Industry | Rubber Heel Plant |
| Class of Worker | PW |
| Hours Worked | 26 |
| Income (1939) | 605 |
| Highest Grade | No 7 |
| 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 James Parker across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Florence Parker (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Florence Parker
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Parker
Son · 1940 · age 21 · b. ~1919 · 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-t0627-01510-00281)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Minnie Palcarolla | Palcarollo | 68 | Wife | — | Italy |
| 2 | Anthony Palcarolla | Palcarollo | 44 | Son | — | Maryland |
| 3 | Katie Palcarolla | Palcarollo | 29 | Daughter | — | Maryland |
| 4 | Samuel Palcarolla | Palcarollo | 27 | Son | Salesman | Maryland |
| 5 | Rose Lamartina | 59 | Head | — | Italy |
| 6 | Minnie Lamartina | 38 | Daughter | Seamstress | Maryland |
| 7 | Jack Lamartina | 26 | Son | Salesman | Maryland |
| 8 | Anthony Lamartina | 25 | Son | Laborer | Maryland |
| 9 | Pasquale Lamartina | 22 | Head | — | Maryland |
| 10 | Marie Lamartina | 67 | Wife | — | Italy |
| 11 | Minnie Lamartina | 31 | Daughter | Seamstress | Colorado |
| 12 | Catherine Lamartina | 28 | Daughter | Saleslady | Colorado |
| 13 | Sara Lamartina | 24 | Daughter | Saleslady | Colorado |
| 14 | Abraham Levin | 44 | Head | Store Proprietor | Russia |
| 15 | Jennie Levin | 42 | Wife | — | Maryland |
| 16 | Betty Levin | 15 | Daughter | — | Maryland |
| 17 | Rohda | Rhoda Levin | 14 | Daughter | — | Maryland |
| 18 | Deena Levin | 12 | Daughter | — | Maryland |
| 19 | David Levin | 10 | Son | — | Maryland |
| 20 | William C Mathews | 67 | Head | — | North Carolina |
| 21 | Rosa L Mathews | 67 | Wife | — | Maryland |
| 22 | Gertrude Salz | 50 | Head | Milliner | Germany |
| 23 | James O Salz | 23 | Son | Radio Operator | New York |
| 24 | Robert Vohler | 78 | Head | — | Germany |
| 25 | William Dwyer | 51 | Head | Laborer | Maryland |
| 26 | Marie Dwyer | 42 | Wife | — | Maryland |
| 27 | Nancy Gormack | 23 | Step-son | New Worker | Maryland |
| 28 | Joseph R Arrington | 42 | Head | Laborer | North Carolina |
| 29 | Horst Robinson | 56 | Lodger | Cook | New York |
| 30 | James Gale | 38 | Head | Junk Man | Maryland |
| 31 | Myrtle Gale | 33 | Wife | — | Maryland |
| 32 | Robert Russell | 34 | Lodger | Junk Man | Virginia |
| 33 | Blanche Russell | 40 | Wife | — | Maryland |
| 34 | Florence Parker | 57 | Head | Laundry-Maid | Maryland |
| 35 | James Parker THIS PERSON | 21 | Son | Pressman | Maryland |
| 36 | Maggie Scott | 57 | Head | — | Maryland |
| 37 | Charles Scott | 12 | Adopted son | — | Maryland |
| 38 | Walter Watkins | 48 | Head | Laborer | Washington DC |
| 39 | Clarence Reis | 20 | Lodger | New Worker | Maryland |
| 40 | Laura Gardner | 63 | Head | — | Maryland |
Pedigree Summary
James
Gen 1 · 1 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)