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Walter Long — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Walter Long across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents Frank & Louis — first a son (b.~1917), then head of a 7-person household.
Age 23
b. ~1917
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Long |
| Given Name | Walter S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Machine Operator |
| Industry | Soft Drinks |
| Class of Worker | PW |
| Hours Worked | 33 |
| Income (1939) | 152 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Machine Operator |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1917 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Walter | Age | Birth yr |
|---|---|---|---|---|
| Bertha Long | Spouse | — | 54 | ~1886 |
| Elizabeth Connors | Other | — | 76 | ~1864 |
| Walter Long | Son | — | 23 | ~1917 |
| Geneva Long | Daughter | — | 26 | ~1914 |
| Albert Long | Son | — | 21 | ~1919 |
| Albert Long | Son | — | 8 | ~1932 |
| Louis Long | Head | — | 56 | ~1884 |
Census Appearances
1920
Baltimore, Maryland
Son, age 2
Baltimore, Maryland · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | Wilbur F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| 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
Son, age 13
Baltimore, Maryland · implied b. ~1917 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | Wilbur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| 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-City-County, Maryland
Son, age 23
Baltimore-City-County, Maryland · implied b. ~1917 — 7 household members
| Surname | Long |
| Given Name | Walter S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Machine Operator |
| Industry | Soft Drinks |
| Class of Worker | PW |
| Hours Worked | 33 |
| Income (1939) | 152 |
| Highest Grade | No 8 |
| 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 Walter Long across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Long (~0.92 confidence) and father Louis Long (~0.92 confidence) and father Sergat Long (~0.92 confidence) and mother Annie Long (~0.92 confidence) and mother Bertha Long (~0.92 confidence) and mother Julia Long (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Long
b. ~1892
Source father
● Household
· direct · ~0.92
Father
Louis Long
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Sergat Long
b. ~1894
Source father
● Household
· direct · ~0.92
Mother
Annie Long
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Bertha Long
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Julia Long
b. ~1898
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Walter Long
Son · 1940 · age 23 · b. ~1917 · Maryland
★ You are viewing this record
Sibling
Albert Long
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Geneva Long
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Long
Sibling · 1940 · age 8
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-t0627-01516-00450)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bernard Smith | 11 | Son | — | Maryland |
| 2 | Mary C Smith | 7 | Daughter | — | Maryland |
| 3 | William Fritz | 28 | Head | Milkman | Maryland |
| 4 | Elsie Fritz | 31 | Wife | Baster | Maryland |
| 5 | Annie E Myers | 60 | Head | — | Maryland |
| 6 | Frederick Jr Senger | 25 | Son in law | Mechanic | Maryland |
| 7 | Doris L Senger | 23 | Daughter | — | Maryland |
| 8 | Leonard Roeder | 47 | Lodger | Fireman | Maryland |
| 9 | Frank R Wilhelm | 57 | Lodger | — | Maryland |
| 10 | Mary E Schade | 63 | Head | — | Maryland |
| 11 | Edna A Schade | 40 | Daughter | Trained Nurse | Maryland |
| 12 | Freda Flowers | 35 | Daughter | — | Maryland |
| 13 | Donald E Staylor | 42 | Lodger | Butcher | Maryland |
| 14 | William J Winter | 23 | Head | Retail Salesman | Maryland |
| 15 | Mary E Winter | 21 | Wife | — | Maryland |
| 16 | Nannie E Kraft | 55 | Head | — | Maryland |
| 17 | Mildred M Kraft | 32 | Daughter | Jr. Office Clerk | Maryland |
| 18 | Louis J Long | 56 | Head | Truck Helper | Maryland |
| 19 | Bertha B Long | 54 | Wife | — | Maryland |
| 20 | Walter S Long THIS PERSON | 23 | Son | Machine Operator | Maryland |
| 21 | Albert Long | 21 | Son | Truck Driver | Maryland |
| 22 | Geneva Long | 26 | Daughter | — | Maryland |
| 23 | Albert Long | 8 | Son | — | Maryland |
| 24 | Elizabeth Connors | 76 | Lodger | — | Maryland |
| 25 | Robert L Alluisi | 49 | Head | Collector | Maryland |
| 26 | Mary C Grillo | 54 | Lodger | — | Maryland |
| 27 | Frederick Lauer | 51 | Head | Sheet Metal Worker | Maryland |
| 28 | Augusta Lauer | 48 | Wife | — | Washington D.C. |
| 29 | John C Lauer | 25 | Son | Laborer | Maryland |
| 30 | Virginia Lauer | 18 | Daughter | — | Maryland |
| 31 | Rhoda Lauer | 16 | Daughter | — | Maryland |
| 32 | Ruth Lauer | 15 | Daughter | — | Maryland |
| 33 | Robert Lauer | 11 | Son | — | Maryland |
| 34 | Theodore Lauer | 9 | Son | — | Maryland |
| 35 | Bernice Edell | 23 | Daughter | Stock Clerk | Maryland |
| 36 | August A Edell | 69 | Head | Street Cleaner | Maryland |
| 37 | Anna M Edell | 65 | Wife | — | Maryland |
| 38 | Margaret M Edell | 28 | Daughter | — | Maryland |
| 39 | John C Lauer | 23 | Son | Sheet Metal Worker | Maryland |
| 40 | Louis E Lauer | 20 | Son | Retail Salesman | Maryland |
Related Census Records
Pedigree Summary
Walter + 3 siblings
Gen 1 · 6 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)