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Elmer Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Multnomah, Oregon
Our Model Tree links this Elmer Johnson across the 1920, 1930 and 1940 US Censuses in Multnomah, Oregon (XGBoost, ~Confirmed), with identified parents Carl & Ellen — first a head (b.~1900), then head of a 3-person household.
Age 30
b. ~1900
Male
Head
Born: Oregon
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Multnomah, Oregon |
| Surname | Johnson |
| Given Name | Elmer C |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Oregon |
| Age at First Marriage | 24 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | Repairman |
| Industry | Telephone Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 30. |
| Veteran | No |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Occupation | Repairman |
| Township / Ward | Portland City |
| 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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Elmer | Age | Birth yr |
|---|---|---|---|---|
| Virginia Johnson | Daughter | — | 4 | ~1926 |
| Elmer Johnson | Head | — | 30 | ~1900 |
| Virginia Johnson | Other | — | 29 | ~1901 |
Census Appearances
1920
Multnomah, Oregon
Son, age 20
Multnomah, Oregon · implied b. ~1900 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Elmer C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1930
Multnomah, Oregon
Head, age 30
Multnomah, Oregon · implied b. ~1900 — 3 household members
| Surname | Johnson |
| Given Name | Elmer C |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Oregon |
| Age at First Marriage | 24 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Repairman |
| Industry | Telephone Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 30. |
| Veteran | No |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
Multnomah-County, Oregon
Head, age 40
Multnomah-County, Oregon · implied b. ~1900 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Elm G |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Oregon |
| 1935 Residence (City) | Portland City |
| 1935 Residence (County) | Multnomah |
| Occupation | Technician |
| Industry | Telephone Company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2858 |
| Highest Grade | H-2 |
| 1935 Residence | Same house |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
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 Elmer Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Carl Johnson (~0.92 confidence) and mother Ellen Johnson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Carl Johnson
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Ellen Johnson
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Elmer Johnson
Head · 1930 · age 30 · b. ~1900 · Oregon
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Multnomah, Oregon
Open full size
1930 US Federal Census — Multnomah, Oregon
Page Contents
50 people indexed on this census page (ia:1930:15thcensus1954unit:0218)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Constantine Gerlach | 20 | Son | Helper | Oregon |
| 52 | Alice Christ | 60 | Head | Miller | Germany |
| 53 | Anna Christ | 55 | Wife-N | — | Illinois |
| 54 | Maynard L Stineman | 34 | Head | Fireman | Washington |
| 55 | Alice M Stineman | 36 | Wife-H | — | Missouri |
| 56 | Charlotte R Stineman | 11 | Daughter | — | Oregon |
| 57 | Marion E Stineman | 8 | Daughter | — | Oregon |
| 58 | Robert N Stineman | 6 | Son | — | Oregon |
| 59 | John Mooney | 65 | Head | Brakeman | Ireland |
| 60 | Ellen Mooney | 58 | Wife-H | — | Ireland |
| 61 | Ellen J Callahan | 59 | Sister | — | Ireland |
| 62 | Albert A King | 74 | Head | — | Maryland |
| 63 | Alice King | 77 | Wife-H | — | Pennsylvania |
| 64 | Justine Elmen | 66 | Lodger | Dressmaking | Sweden |
| 65 | Louis W Nolte | 63 | Head | Electrical | Indiana |
| 66 | Caroline A Nolte | 52 | Wife-H | Housework | United States |
| 67 | Helen Nolte | 18 | Daughter | Comptometer | Oregon |
| 68 | Lillian Nolte | 17 | Daughter | — | Oregon |
| 69 | Raymond Thyme | 37 | Head | Longshoreman | Michigan |
| 70 | Anna Thyme | 37 | Wife-H | — | Finland |
| 71 | Elmer C Johnson THIS PERSON | 30 | Head | Repairman | Oregon |
| 72 | Virginia C Johnson | 29 | Wife-H | — | Illinois |
| 73 | Virginia M Johnson | 4 | Daughter | — | Oregon |
| 74 | Julia Sullivan | 64 | Head-H | — | Irish Free State |
| 75 | Ella Sullivan | 37 | Daughter | Bookkeeper | Oregon |
| 76 | Margaret Sullivan | 33 | Daughter | Stenographer | Oregon |
| 77 | Glen Lewis | 43 | Head | Mechanic | Missouri |
| 78 | Annie B Lewis | 34 | Wife-H | — | Iowa |
| 79 | Jeanne Lewis | 13 | Daughter | — | Montana |
| 80 | Shirley Lewis | 12 | Daughter | — | Montana |
| 81 | Nancy Lewis | 9 | Daughter | — | Montana |
| 82 | Honey Lewis | 2 | Daughter | — | Oregon |
| 83 | Genevieve Bigley | 38 | Boarder | Visiting Nurse | Iowa |
| 84 | Francis Conrad | 32 | Head | Postal Clerk | Oregon |
| 85 | Katherine Conrad | 30 | Wife-H | — | Oregon |
| 86 | Eileen Conrad | 7 | Daughter | — | Oregon |
| 87 | Harold Conrad | 6 | Son | — | Oregon |
| 88 | Jean Conrad | 1 | Daughter | — | Oregon |
| 89 | Fred Hermann | 63 | Head | — | Germany |
| 90 | Helen Hermann | 63 | Wife-H | — | Germany |
| 91 | James E Burley | 57 | Head | Machinist | Iowa |
| 92 | May Burley | 50 | Wife-H | — | Missouri |
| 93 | Raymond Burley | 17 | Son | — | Oregon |
| 94 | Rex A Butler | 37 | Head | Motorman | Washington |
| 95 | Mary Butler | 30 | Wife-H | — | Missouri |
| 96 | Joseph Butler | 2 | Son | — | California |
| 97 | Chris Jeppesen | 42 | Head | Fireman | Denmark |
| 98 | Anna C Jeppesen | 41 | Wife-H | — | Illinois |
| 99 | Ambrose J Jeppesen | 16 | Son | Delivery Boy | Oregon |
| 100 | Orpha J Jeppesen | 13 | Daughter | — | Oregon |
Pedigree Summary
Elmer
Gen 1 · 2 parents
~0.92
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)