WJ
Walter Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Harford, Maryland
Our Model Tree links this Walter Johnson across the 1910, 1920 and 1930 US Censuses in Harford, Maryland (XGBoost, ~Confirmed), with identified parents Richard & Oscar — first a son (b.~1909), then head of a 17-person household.
Age 21
b. ~1909
Male
Son
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Harford, Maryland |
| Surname | Johnson |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Foreman |
| Industry | Automobile shop |
| Class of Worker | 7422 |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Foreman |
| Township / Ward | 2Nd Election District |
| Est. Birth Year | ~1909 |
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.
17 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Walter | Age | Birth yr |
|---|---|---|---|---|
| Vivian Johnson | Daughter | — | 10 | ~1920 |
| Ruth Johnson | Daughter | — | 23 | ~1907 |
| Betty Johnson | Daughter | — | 2 | ~1928 |
| Doris Johnson | Daughter | — | 6 | ~1924 |
| Richard Haga | Head | — | 26 | ~1904 |
| George Johnson | Other | — | 26 | ~1904 |
| Ida Hoke | Other | — | 57 | ~1873 |
| Oscar Johnson | Other | — | 57 | ~1873 |
| Mary Johnson | Other | — | 54 | ~1876 |
| Elma Johnson | Other | — | 26 | ~1904 |
| Mae Haga | Other | — | 24 | ~1906 |
| Lester Johnson | Son | — | 18 | ~1912 |
| John Johnson | Son | — | 12 | ~1918 |
| William Sheppard | Son | — | 25 | ~1905 |
| Walter Johnson | Son | — | 21 | ~1909 |
| Franklin Johnson | Son | — | 13 | ~1917 |
| Palmer Johnson | Son | — | 28 | ~1902 |
Census Appearances
1910
Harford, Maryland
Son, age 1
Harford, Maryland · implied b. ~1909 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Walter J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Harford, Maryland
Son, age 10
Harford, Maryland · implied b. ~1910 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Walter H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Harford, Maryland
Son, age 21
Harford, Maryland · implied b. ~1909 — 17 household members
| Surname | Johnson |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Foreman |
| Industry | Automobile shop |
| Class of Worker | 7422 |
| Can Read/Write | Yes |
| 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 Johnson across 3 US Census years (1910, 1920 and 1930) in Harford, Maryland, using XGBoost record linkage. Identified parents: father Richard Haga (~0.60 confidence) and father Oscar Johnson (~0.92 confidence) and mother Mary Johnson (~0.92 confidence) and mother Clara Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.84
Father
Richard Haga
b. ~1904
Source father
● Household
· direct · ~0.6
Father
Oscar Johnson
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Mary Johnson
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Clara Johnson
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Walter Johnson
Son · 1930 · age 21 · b. ~1909 · Maryland
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Sibling
Lester Johnson
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Sheppard
Sibling · 1930 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Johnson
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Franklin Johnson
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vivian Johnson
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Johnson
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Johnson
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Johnson
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Palmer Johnson
Sibling · 1930 · age 28
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
1930 US Federal Census — Harford, Maryland
Open full size
1930 US Federal Census — Harford, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus875unit:0749)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Oliver P. Bayer | 31 | Head | Farmer | Maryland |
| 2 | Louise Bayer | 31 | Wife-H | None | Maryland |
| 3 | William Bayer | 8 | Son | None | Maryland |
| 4 | Nelson Bayer | 7 | Son | None | Maryland |
| 5 | Henry Bayer | 3 | Son | None | Maryland |
| 6 | Olive P. Jr. Bayer | 0 | Son | None | Maryland |
| 7 | Henry Williams | 18 | Servant | Farm Laborer | Maryland |
| 8 | Henry H. Rogers | 54 | Head | None | Maryland |
| 9 | Carrie Rogers | 56 | Wife-H | None | Maryland |
| 10 | Bell Stewart | 70 | Servant | Cook | Maryland |
| 11 | Raymond Pippin | 46 | Servant | Handy Man | Maryland |
| 12 | Chapman S. Clark | 65 | Head | Farmer | West Virginia |
| 13 | Naomi Clark | 64 | Wife-H | None | Maryland |
| 14 | Margaret Clark | 35 | Daughter | None | Washington |
| 15 | Sydney Clark | 26 | Daughter | None | Colorado |
| 16 | Chapman Clark | 26 | Son | Trucking Man | Colorado |
| 17 | Edward Brown | 62 | Head | Farm Hand | Maryland |
| 18 | Ray J. Hungerford | 55 | Head | Chemical Engineer | Kansas |
| 19 | Sarah Hungerford | 54 | Wife-H | None | Canada-English |
| 20 | Helen Hungerford | 26 | Daughter | Secretary | New York |
| 21 | Everett Zimmerman | 43 | Head | Physicist | Indiana |
| 22 | Hazel Zimmerman | 38 | Wife-H | None | Iowa |
| 23 | Lila A. Zimmerman | 6 | Daughter | None | Maryland |
| 24 | Augustus Candy | 47 | Head | Mechanical Engineer | South Carolina |
| 25 | Helen Candy | 42 | Wife-H | None | Massachusetts |
| 26 | Joshua Adams | 42 | Head | Superintendent | Maryland |
| 27 | Gertrude Adams | 39 | Wife-H | None | Maryland |
| 28 | James R. M. Adams | 1 | Son | None | Maryland |
| 29 | Jack R. Mitchell | 26 | Head | Farmer | Maryland |
| 30 | Virginia Mitchell | 25 | Wife-H | None | West Virginia |
| 31 | Carl Ross | 34 | Head | Farm Laborer | Virginia |
| 32 | Mae Ross | 34 | Wife-H | None | Virginia |
| 33 | Edith M. Ross | 6 | Daughter | None | Virginia |
| 34 | Richard Haga | 26 | Head | Farm Laborer | Virginia |
| 35 | Mae Haga | 24 | Wife-H | None | Virginia |
| 36 | Oscar Johnson | 57 | R | Farmer | Maryland |
| 37 | Mary A. Johnson | 54 | Wife-H | None | Maryland |
| 38 | Palmer Johnson | 28 | Son | Farm Laborer | Maryland |
| 39 | Ruth Johnson | 23 | Daughter | None | Maryland |
| 40 | Walter Johnson THIS PERSON | 21 | Son | Foreman | Maryland |
| 41 | Lester Johnson | 18 | Son | Farm Laborer | Maryland |
| 42 | Franklin Johnson | 13 | Son | None | Maryland |
| 43 | John Johnson | 12 | Son | None | Maryland |
| 44 | Vivian Johnson | 10 | Daughter | None | Maryland |
| 45 | Doris Johnson | 6 | Daughter | None | Maryland |
| 46 | George W. Johnson | 26 | R | Farmer | Maryland |
| 47 | Elma Johnson | 26 | Wife-H | None | Maryland |
| 48 | Betty H. Johnson | 2 | Daughter | None | Maryland |
| 49 | Ida Hoke | 57 | R | None | Maryland |
| 50 | William S. Sheppard | 25 | Son | Farm Laborer | Maryland |
Related Census Records
Pedigree Summary
Walter + 9 siblings
Gen 1 · 4 parents
~0.84
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)