BJ
Blanche Johnson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Denver, Colorado
Our Model Tree links this Blanche Johnson across the 1920 and 1930 US Censuses in Denver, Colorado (XGBoost, ~Confirmed) — first a daughter (b.~1902), then head of a 8-person household.
Age 28
b. ~1902
Female
Daughter
Born: Texas
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Denver, Colorado |
| Surname | Johnson |
| Given Name | Blanche |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Texas |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Oil Co. |
| Class of Worker | 7190 |
| Can Read/Write | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Occupation | Stenographer |
| Township / Ward | Denver City |
| Est. Birth Year | ~1902 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Blanche | Age | Birth yr |
|---|---|---|---|---|
| Blanche Johnson | Daughter | — | 28 | ~1902 |
| Hulda Johnson | Other | — | 56 | ~1874 |
| Lillian Johnson | Daughter | — | 15 | ~1915 |
| Maude Johnson | Daughter | — | 24 | ~1906 |
| Rachel Johnson | Daughter | — | 22 | ~1908 |
| Edward Johnson | Son | — | 18 | ~1912 |
| William Johnson | Head | — | 60 | ~1870 |
| Hulda Johnson | Daughter | — | 26 | ~1904 |
Census Appearances
1920
Denver, Colorado
Daughter, age 17
Denver, Colorado · implied b. ~1903 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Blanche |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Texas |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1930
Denver, Colorado
Daughter, age 28
Denver, Colorado · implied b. ~1902 — 8 household members
| Surname | Johnson |
| Given Name | Blanche |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Texas |
| Occupation | Stenographer |
| Industry | Oil Co. |
| Class of Worker | 7190 |
| Can Read/Write | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
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 Blanche Johnson across 2 US Census years (1920 and 1930) in Denver, Colorado, using XGBoost record linkage.
Show:
This person
Anchor record
Blanche Johnson
Daughter · 1930 · age 28 · b. ~1902 · Colorado
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Sibling
Rachel Johnson
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hulda Johnson
Sibling · 1930 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Johnson
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Johnson
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maude Johnson
Sibling · 1930 · age 24
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 — Denver, Colorado
Open full size
1930 US Federal Census — Denver, Colorado
Page Contents
50 people indexed on this census page (ia:1930:15thcensus236unit:0485)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harry C. James | 59 | Head | — | Colorado |
| 2 | Mary D. James | 54 | Wife-H | — | Illinois |
| 3 | Evelyn L. James | 30 | Daughter | — | Colorado |
| 4 | F. Warren James | 35 | Son-in-law | Mining Engineer | Colorado |
| 5 | Eleanor L. James | 9 | Granddaughter | — | Colorado |
| 6 | Warren J. James | 5 | Grandson | — | Colorado |
| 7 | Mary S. Davidson | 88 | Mother-in-law | — | Ohio |
| 8 | Elva Ahlson | 24 | Nurse | Nurse | Sweden |
| 9 | Ella Ohman | 35 | Cook | Cook | Finland |
| 10 | Helda Johnson | 25 | Maid | Maid | Sweden |
| 11 | Corenne Norden | 23 | Maid | Maid | Sweden |
| 12 | Allen Culver | 75 | Head | Clerical | New York |
| 13 | Laura M. Culver | 62 | Wife-H | — | Wisconsin |
| 14 | Melville Black | 62 | Head | Physician | Iowa |
| 15 | Ada C. Black | 61 | Wife-H | — | New York |
| 16 | William J. Brown | 50 | Head | Merchant | Colorado |
| 17 | Louise D. Brown | 51 | Wife-H | — | New York |
| 18 | William J. Jr. Brown | 26 | Son | Salesman | Colorado |
| 19 | Camilla Harrington | 76 | Mother-in-law | — | Michigan |
| 20 | Mary Tyszkany | 50 | Maid | Maid | Austria |
| 21 | Joseph Shapiro | 53 | Head | Manufacturer | New York |
| 22 | Clementine Shapiro | 37 | Wife-H | — | Pennsylvania |
| 23 | Virginia Shapiro | 31 | Daughter | — | New York |
| 24 | Marie Dazey | 51 | Maid | Maid | Missouri |
| 25 | Charles W. Bishop | 73 | Head | Clerical | Illinois |
| 26 | Mary Bishop | 64 | Wife-H | — | Massachusetts |
| 27 | Abby G. Gardiner | 63 | Sister-in-law | — | Massachusetts |
| 28 | Archibald Lee | 47 | Head | Lawyer | New York |
| 29 | Florence Lee | 41 | Wife-H | — | Illinois |
| 30 | Nancy Lee | 18 | Daughter | — | Colorado |
| 31 | August Dahllof | 58 | Head | Book Keep. | Missouri |
| 32 | Nellie Dahllof | 48 | Wife-H | Kitchen Maid | Iowa |
| 33 | Charles Goff | 31 | Head | Truck Driver | Kansas |
| 34 | Ida Goff | 26 | Wife-H | Clerk | California |
| 35 | Flora Eddy | 51 | Mother-in-law | — | Pennsylvania |
| 36 | Flora J. Eddy | 20 | Sister-in-law | — | Nebraska |
| 37 | Belda Eddy | 13 | Sister-in-law | — | Colorado |
| 38 | Madge Swank | 23 | Sister-in-law | — | California |
| 39 | Walter Swank | 31 | Brother-in-law | Mail Carrier | Kansas |
| 40 | William A. Johnson | 60 | Head | Machinist | New Jersey |
| 41 | Hulda Johnson | 56 | Wife-H | — | Texas |
| 42 | Blanche Johnson THIS PERSON | 28 | Daughter | Stenographer | Texas |
| 43 | Hulda Johnson | 26 | Daughter | Stenographer | Texas |
| 44 | Maude Johnson | 24 | Daughter | Clerical | Texas |
| 45 | Rachel Johnson | 22 | Daughter | Clerical | Texas |
| 46 | Edward Johnson | 18 | Son | — | Colorado |
| 47 | Lillian Johnson | 15 | Daughter | — | Colorado |
| 48 | Lucile Chaffin | 35 | Head | — | Tennessee |
| 49 | Betty C. Chaffin | 8 | Daughter | — | Alabama |
| 50 | Clara M. Almirall | 59 | Head | — | Montana |
Related Census Records
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)