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Richard Long — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-County, Maryland
Our Model Tree links this Richard Long across the 1920, 1930 and 1940 US Censuses in Baltimore-County, Maryland (XGBoost, ~Confirmed), with identified parents James — first a head (b.~1900), then head of a 5-person household.
Age 40
b. ~1900
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-County, Maryland |
| Surname | Long |
| Given Name | Richard T. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 15 |
| 1935 Residence (County) | Baltimore |
| Additional Details | |
| Occupation | Still Labor |
| Industry | Contractor |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Still Labor |
| Township / Ward | Election District 15 |
| Est. Birth Year | ~1900 |
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 Richard | Age | Birth yr |
|---|---|---|---|---|
| Leroy Long | Son | — | 14 | ~1926 |
| Lillian Long | Spouse | — | 40 | ~1900 |
| Richard Long | Head | — | 40 | ~1900 |
| Rosa Long | Daughter | — | 12 | ~1928 |
| Katherine Long | Daughter | — | 5 | ~1935 |
Census Appearances
1920
Baltimore, Maryland
Son, age 17
Baltimore, Maryland · implied b. ~1903 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Steel works |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Son, age 26
Baltimore, Maryland · implied b. ~1904 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-County, Maryland
Head, age 40
Baltimore-County, Maryland · implied b. ~1900 — 5 household members
| Surname | Long |
| Given Name | Richard T. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 15 |
| 1935 Residence (County) | Baltimore |
| Occupation | Still Labor |
| Industry | Contractor |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | No 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 Richard Long across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Long (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Long
b. ~1868
Source father
● Household
· direct · ~0.92
This person
Anchor record
Richard Long
Head · 1940 · age 40 · b. ~1900 · 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-County, Maryland
Open full size
1940 US Federal Census — Baltimore-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01507-00039)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marjorie M. Sherman | 13 | Daughter | — | Maryland |
| 2 | Robert D. Sherman | 10 | Son | — | Maryland |
| 3 | Alpheus Jr. Sherman | 2 | Son | — | Maryland |
| 4 | Leonard S. Hennlein | 34 | Head | Millwright | Maryland |
| 5 | Helen S. Hennlein | 34 | Wife | — | Maryland |
| 6 | Leonard Jr. Hennlein | 10 | Son | — | Maryland |
| 7 | Lois A. Hennlein | 8 | Daughter | — | Maryland |
| 8 | Edward C. Dang | 37 | Head | Bricklayer | Maryland |
| 9 | Annie G. Dang | 34 | Wife | — | Maryland |
| 10 | Joyce A. Dang | 4 | Daughter | — | Maryland |
| 11 | Annie Peacock | 63 | Mother-in-law | — | North Carolina |
| 12 | William H. Austraw | 57 | Head | Roller | Pennsylvania |
| 13 | Susan S. Austraw | 57 | Wife | — | Pennsylvania |
| 14 | Elsie M. Austraw | 35 | Daughter | — | Pennsylvania |
| 15 | Henry H. Austraw | 34 | Son | Doctor | Pennsylvania |
| 16 | Susan E. Austraw | 19 | Daughter | Typist | Pennsylvania |
| 17 | William Jr. Austraw | 17 | Son | — | Maryland |
| 18 | Harrison S. Vertz | 15 | Grand-son | — | Pennsylvania |
| 19 | John Petroff | 59 | Head | — | Austria |
| 20 | Howell G. Pletsch | 49 | Head | Machinist | Maryland |
| 21 | Barbara C. Pletsch | 55 | Wife | — | Pennsylvania |
| 22 | James R. Melka | 49 | Head | Grocer | Czechoslovakia |
| 23 | Mary Melka | 51 | Wife | — | Czechoslovakia |
| 24 | Joseph W. Melka | 21 | Son | Assistant Foreman | Maryland |
| 25 | James Melka | 18 | Son | Labor | Maryland |
| 26 | Frank A. Melka | 17 | Son | — | Maryland |
| 27 | Marie P. Melka | 12 | Daughter | — | Maryland |
| 28 | John Grace | 63 | Lodger | Paper Hanger | Maryland |
| 29 | Richard T. Long THIS PERSON | 40 | Head | Still Labor | Maryland |
| 30 | Lillian C. Long | 40 | Wife | — | Maryland |
| 31 | Leroy L. Long | 14 | Son | — | Maryland |
| 32 | Rosa May Long | 12 | Daughter | — | Maryland |
| 33 | Katherine Long | 5 | Daughter | — | Maryland |
| 34 | Raymond Hannan | 35 | Head | Pipe Fitter | West Virginia |
| 35 | Marian Hannan | 35 | Wife | — | Maryland |
| 36 | Jeanette Hannan | 11 | Daughter | — | Maryland |
| 37 | Marian Hannan | 9 | Daughter | — | Maryland |
| 38 | Phyllis Hannan | 5 | Daughter | — | Maryland |
| 39 | Herman Hannan | 2 | Son | — | Maryland |
| 40 | William C. Foreman | 37 | Head | Machinist | Maryland |
Pedigree Summary
Richard
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)