SJ
Selma Johnson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Marion, Missouri
Our Model Tree links this Selma Johnson across the 1920 and 1930 US Censuses in Marion, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1905), then head of a 10-person household.
Age 25
b. ~1905
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Marion, Missouri |
| Surname | Johnson |
| Given Name | Selma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | Stenographer |
| Industry | High School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Stenographer |
| Township / Ward | Hannibal |
| Est. Birth Year | ~1905 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Selma | Age | Birth yr |
|---|---|---|---|---|
| Helmer Johnson | Son | — | 22 | ~1908 |
| Margaret Smith | Daughter | — | 7 | ~1923 |
| Lewellan Stone | Other | — | 45 | ~1885 |
| Lola Smith | Spouse | — | 21 | ~1909 |
| Mildred Smith | Son | — | 4 | ~1926 |
| Emily Johnson | Spouse | — | 57 | ~1873 |
| Ruth Smith | Daughter | — | 2 | ~1928 |
| Ralph Smith | Other | — | 29 | ~1901 |
| John Johnson | Head | — | 61 | ~1869 |
| Selma Johnson | Daughter | — | 25 | ~1905 |
Census Appearances
1920
Marion, Missouri
Daughter, age 15
Marion, Missouri · implied b. ~1905 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Selma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Marion, Missouri
Daughter, age 25
Marion, Missouri · implied b. ~1905 — 10 household members
| Surname | Johnson |
| Given Name | Selma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Stenographer |
| Industry | High School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Selma Johnson across 2 US Census years (1920 and 1930) in Marion, Missouri, using XGBoost record linkage.
Show:
This person
Anchor record
Selma Johnson
Daughter · 1930 · age 25 · b. ~1905 · Missouri
★ You are viewing this record
Sibling
Ruth Smith
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Smith
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Smith
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helmer Johnson
Sibling · 1930 · age 22
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 — Marion, Missouri
Open full size
1930 US Federal Census — Marion, Missouri
Page Contents
50 people indexed on this census page (ia:1930:missouricensus00reel1211:0889)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | George L. Cox | 28 | Son | Machinist | Illinois |
| 52 | Charles G. Cox | 26 | Son | Trimmer | Missouri |
| 53 | Chester M. Cox | 19 | Son | Machinist | Missouri |
| 54 | Anna Mae Cox | 15 | Daughter | — | Missouri |
| 55 | Dorothy L. Cox | 12 | Daughter | — | Missouri |
| 56 | James Cox | 11 | Son | — | Missouri |
| 57 | Mary E. Cox | 9 | Daughter | — | Missouri |
| 58 | Franklin Cox | 6 | Son | — | Missouri |
| 59 | William H. Cox | 3 | Son | — | Missouri |
| 60 | John King | 42 | Head | Laborer | Missouri |
| 61 | Sarah King | 41 | Wife | — | Missouri |
| 62 | Raymond King | 25 | Son | Laborer | Missouri |
| 63 | Oleta Morris | 16 | Step Daught | Stitcher | Missouri |
| 64 | Harvey Whitaker | 50 | — | Laborer | Missouri |
| 65 | Mildred Whitaker | 74 | Mother | — | Illinois |
| 66 | Ernest Whitaker | 34 | Brother | Laborer | Missouri |
| 67 | Mabel Whitaker | 22 | Sister in L | — | Missouri |
| 68 | Goldie B. Whitaker | 6 | Niece | — | Missouri |
| 69 | James Whitaker | 5 | Nephew | — | Missouri |
| 70 | Hazel M. Whitaker | 2 | Niece | — | Missouri |
| 71 | Joe Hancock | 26 | — | Laster | Missouri |
| 72 | Naomi Hancock | 26 | Wife | — | Missouri |
| 73 | Mary Hancock | 1 | Daughter | — | Missouri |
| 74 | John Rottenburg | 40 | Head | Fireman | Missouri |
| 75 | Lenora Rottenburg | 38 | Wife | — | Missouri |
| 76 | Lenore Rottenburg | 16 | Daughter | — | Missouri |
| 77 | Hobart Hancock | 34 | — | Burner | Missouri |
| 78 | Minnie Hancock | 30 | Wife | — | Iowa |
| 79 | Walter Meeks | 12 | Son | — | Missouri |
| 80 | Betty J. Hancock | 5 | Daughter | — | Missouri |
| 81 | Fred Johnston | 25 | — | Fireman | Missouri |
| 82 | Lorain Johnston | 23 | Wife | — | Missouri |
| 83 | Doris J. Johnston | 4 | Daughter | — | Missouri |
| 84 | Hurley Henderson | 46 | Head | Salesman | Missouri |
| 85 | Katherine Henderson | 46 | Wife | — | Missouri |
| 86 | Hurley Jr. Henderson | 9 | Son | — | Missouri |
| 87 | Lawrence Henderson | 7 | Son | — | Missouri |
| 88 | Lillian Mae Henderson | 5 | Daughter | — | Missouri |
| 89 | Louisa J. St. John | 83 | — | — | Missouri |
| 90 | Ruth St. John | 42 | Daughter | — | Missouri |
| 91 | John Johnson | 61 | Head | Foreman | Sweden |
| 92 | Emily Johnson | 57 | Wife | — | Sweden |
| 93 | Selma Johnson THIS PERSON | 25 | Daughter | Stenographer | Pennsylvania |
| 94 | Helmer Johnson | 22 | Son | Manager | Pennsylvania |
| 95 | Ralph Smith | 29 | — | Laborer | Illinois |
| 96 | Lola Smith | 21 | Wife | Stitcher | Illinois |
| 97 | Margaret Smith | 7 | Daughter | — | Illinois |
| 98 | Mildred Smith | 4 | Son | — | Missouri |
| 99 | Ruth Smith | 2 | Daughter | — | Illinois |
| 100 | Lewellan Stone | 45 | Mother in L | Servant | Illinois |
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)