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William White — 1930 US Census Record
Model Tree available1930 United States Federal Census · Boulder, Colorado
Our Model Tree links this William White across the 1910, 1920 and 1930 US Censuses in Boulder, Colorado (XGBoost, ~Confirmed), with identified parents Fred & Fred — first a son (b.~1909), then head of a 3-person household.
Age 21
b. ~1909
Male
Son
Born: Colorado
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Boulder, Colorado |
| Surname | White |
| Given Name | William W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Boulder City |
| 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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Fred White | Head | — | 52 | ~1878 |
| William White | Son | — | 21 | ~1909 |
| Mina White | Spouse | — | 46 | ~1884 |
Census Appearances
1910
Boulder, Colorado
Son, age 1
Boulder, Colorado · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | White |
| Given Name | William H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Pennsylvania |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1920
Boulder, Colorado
Son, age 11
Boulder, Colorado · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | White |
| Given Name | William H. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Boulder, Colorado
Son, age 21
Boulder, Colorado · implied b. ~1909 — 3 household members
| Surname | White |
| Given Name | William W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Pennsylvania |
| 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 William White across 3 US Census years (1910, 1920 and 1930) in Boulder, Colorado, using XGBoost record linkage. Identified parents: father Fred White (~0.92 confidence) and father Fred White (~0.92 confidence) and mother Mina White (~0.92 confidence) and mother Nina White (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Fred White
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Fred White
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Mina White
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Nina White
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William White
Son · 1930 · age 21 · b. ~1909 · Colorado
★ 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 — Boulder, Colorado
Open full size
1930 US Federal Census — Boulder, Colorado
Page Contents
50 people indexed on this census page (ia:1930:15thcensus231unit:0062)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Emma Chynoweth | 65 | Sister-in-law | Housekeeper | Michigan |
| 2 | George B. Hall | 51 | Head | Mortician | Missouri |
| 3 | Isabell M. Hall | 46 | Wife | — | Scotland |
| 4 | Roberta J. Hall | 19 | Daughter | — | Colorado |
| 5 | Eleanor J. Hall | 8 | Daughter | — | Colorado |
| 6 | Robert C. Toyn | 22 | Lodger | Embalmer | Tennessee |
| 7 | Philip M. Nelson | 50 | Head | — | Illinois |
| 8 | Alma H. Nelson | 50 | Wife | — | Illinois |
| 9 | Ella A. Bates | 47 | Head | Manager | Colorado |
| 10 | Rosa M. Seely | 69 | Lodger | — | Wisconsin |
| 11 | Josephine S. Dyer | 45 | Lodger | Teacher | Colorado |
| 12 | Andrew B. Martin | 35 | Head | Salesman | Pennsylvania |
| 13 | Lois P. Martin | 24 | Wife | Trained Nurse | Pennsylvania |
| 14 | Ruby C. Smith | 39 | Lodger | Stenographer | Texas |
| 15 | Mildred L. Jordan | 22 | Lodger | Saleslady | Kansas |
| 16 | Homer E. Howard | 21 | Lodger | Bookkeeper | California |
| 17 | Lester W. Howard | 28 | Lodger | Service Man | California |
| 18 | Florence J. Coover | 76 | Lodger | Practical Nurse | Ohio |
| 19 | Esther T. White | 63 | Head | Teacher | Ohio |
| 20 | George Wiederhold | 54 | Head | Commercial Traveler | Pennsylvania |
| 21 | May E. Wiederhold | 42 | Wife | — | Colorado |
| 22 | Leorit M. Lungren | 17 | Niece | — | Colorado |
| 23 | Fred L. White | 52 | Head | Merchant | Colorado |
| 24 | Mina White | 46 | Wife | Manager | Pennsylvania |
| 25 | William W. White THIS PERSON | 21 | Son | — | Colorado |
| 26 | Guy W. Williams | 46 | Head | Commercial Traveler | California |
| 27 | Margaret Williams | 54 | Wife | Finisher | Colorado |
| 28 | Ivan A. Williams | 13 | Son | — | Colorado |
| 29 | Roland R. Williams | 11 | Son | — | California |
| 30 | Albert Williams | 9 | Son | — | Colorado |
| 31 | John M. Ingold | 61 | Head | Plumber | Illinois |
| 32 | Jacqueline E. Ingold | 20 | Daughter | — | Colorado |
| 33 | Charles W. Ingold | 17 | Son | Night Clerk | Colorado |
| 34 | Luella C. Darnell | 56 | Head | — | Iowa |
| 35 | Pauline Darnell | 25 | Daughter | — | Colorado |
| 36 | Afarina F. Bone | 81 | Mother | — | Ohio |
| 37 | Lena L. Dwight | 71 | Lodger | — | Illinois |
| 38 | John W. Fogg | 46 | Head | Proprietor | Iowa |
| 39 | Florence W. Fogg | 47 | Wife | — | Kansas |
| 40 | Joan M. Fogg | 12 | Daughter | — | Colorado |
| 41 | Elinor C. Robertson | 42 | Head | — | Colorado |
| 42 | Elizabeth Robertson | 15 | Daughter | — | Colorado |
| 43 | Samuel C. Brown | 82 | Father | — | Pennsylvania |
| 44 | Harry E. Brown | 52 | Brother | Engineer | Ohio |
| 45 | Samuel D. Clark | 65 | Head | Miner | Kansas |
| 46 | Sybil A. Clark | 41 | Wife | Manager | England |
| 47 | Duncan C. Clark | 10 | Son | — | Colorado |
| 48 | Stephen A. Philio | 67 | Head | Clergyman | Ohio |
| 49 | Mary C. Philio | 57 | Wife | — | Ohio |
| 50 | Henry C. Philio | 17 | Son | — | Ohio |
Pedigree Summary
William
Gen 1 · 4 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)