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Ada Johnson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Clear Creek, Colorado
Our Model Tree links this Ada Johnson across the 1920 and 1930 US Censuses in Clear Creek, Colorado (XGBoost, ~Confirmed) — first a daughter (b.~1918), then head of a 9-person household.
Age 12
b. ~1918
Female
Daughter
Born: Colorado
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Clear Creek, Colorado |
| Surname | Johnson |
| Given Name | Ada E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Kentucky |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Georgetown Town |
| Est. Birth Year | ~1918 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Ada | Age | Birth yr |
|---|---|---|---|---|
| Wilma Johnson | Daughter | — | 5 | ~1925 |
| Gladys Johnson | Daughter | — | 7 | ~1923 |
| Ada Johnson | Daughter | — | 12 | ~1918 |
| Ernest Johnson | Head | — | 39 | ~1891 |
| Cornelia Johnson | Other | — | 33 | ~1897 |
| Ernest Johnson | Son | — | 14 | ~1916 |
| Joseph Johnson | Son | — | 3 | ~1927 |
| Charles Johnson | Son | — | 10 | ~1920 |
| Kenneth Johnson | Son | — | 1 | ~1929 |
Census Appearances
1920
Clear Creek, …
Daughter, age 1
Clear Creek, Colorado · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ada M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Kentucky |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Clear Creek, …
Daughter, age 12
Clear Creek, Colorado · implied b. ~1918 — 9 household members
| Surname | Johnson |
| Given Name | Ada E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 Ada Johnson across 2 US Census years (1920 and 1930) in Clear Creek, Colorado, using XGBoost record linkage.
Show:
This person
Anchor record
Ada Johnson
Daughter · 1930 · age 12 · b. ~1918 · Colorado
★ You are viewing this record
Sibling
Wilma Johnson
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Johnson
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Johnson
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ernest Johnson
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Johnson
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gladys Johnson
Sibling · 1930 · age 7
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 — Clear Creek, Colorado
Open full size
1930 US Federal Census — Clear Creek, Colorado
Page Contents
23 people indexed on this census page (ia:1930:15thcensus229unit:1077)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Charles L. Johnson | 65 | Head | Electrician | Sweden |
| 52 | Marie I. Johnson | 57 | Wife-H | — | Kansas |
| 53 | Ernest L. Johnson | 39 | Head | Electrician | Nebraska |
| 54 | Cornelia A. Johnson | 33 | Wife-H | — | Kentucky |
| 55 | Ernest W. Johnson | 14 | Son | — | Colorado |
| 56 | Ada E. Johnson THIS PERSON | 12 | Daughter | — | Colorado |
| 57 | Charles W. Johnson | 10 | Son | — | Colorado |
| 58 | Gladys M. Johnson | 7 | Daughter | — | Colorado |
| 59 | Wilma L. Johnson | 5 | Daughter | — | Colorado |
| 60 | Joseph A. Johnson | 3 | Son | — | Colorado |
| 61 | Kenneth V. Johnson | 1 | Son | — | Colorado |
| 62 | Stella Rockwell | 22 | Head-H | — | Colorado |
| 63 | Leo J. Rockwell | 7 | Son | — | Colorado |
| 64 | Arthur S. Rockwell | 5 | Son | — | Colorado |
| 65 | Dorothy C. Rockwell | 3 | Daughter | — | Colorado |
| 66 | William C. Rockwell | 1 | Son | — | Colorado |
| 67 | Hans Anderson | 76 | Head-H | — | Denmark |
| 68 | William F. Bradley | 53 | Head | Teacher | England |
| 69 | Geraldine C. Bradley | 30 | Wife-H | Teacher | Minnesota |
| 70 | Mary J. Bradley | 8 | Daughter | — | Colorado |
| 71 | Frank A. Maxwell | 75 | Head | — | New York |
| 72 | Emma E. Maxwell | 70 | Sister-H | — | New York |
| 73 | Minnie E. Reynolds | 76 | Lodger | — | West Virginia |
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)