MD
Marion Davis — 1930 US Census Record
Model Tree available1930 United States Federal Census · Rio Grande, Colorado
Our Model Tree links this Marion Davis across the 1910, 1920 and 1930 US Censuses in Rio Grande, Colorado (XGBoost, ~Confirmed), with identified parents M & Marion — first a head (b.~1900), then head of a 4-person household.
Age 30
b. ~1900
Male
Head
Born: Indiana
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Rio Grande, Colorado |
| Surname | Davis |
| Given Name | Marion B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 25 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Additional Details | |
| Occupation | Proprietor |
| Industry | Filling station |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 1800 |
| Radio Set | R |
| Veteran | Yes WW |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Proprietor |
| Township / Ward | Del Norte |
| 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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Marion | Age | Birth yr |
|---|---|---|---|---|
| Eleanor Davis | Daughter | — | 3 | ~1927 |
| Marjorie Davis | Daughter | — | 1 | ~1929 |
| Marion Davis | Head | — | 30 | ~1900 |
| Pauline Davis | Spouse | — | 25 | ~1905 |
Census Appearances
1910
Rio Grande, …
Son, age 10
Rio Grande, Colorado · implied b. ~1900 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Marion |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1920
Rio Grande, …
Son, age 20
Rio Grande, Colorado · implied b. ~1900 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Marion W Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Rio Grande, …
Head, age 30
Rio Grande, Colorado · implied b. ~1900 — 4 household members
| Surname | Davis |
| Given Name | Marion B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 25 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Proprietor |
| Industry | Filling station |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 1800 |
| Radio Set | R |
| Veteran | Yes WW |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Marion Davis across 3 US Census years (1910, 1920 and 1930) in Rio Grande, Colorado, using XGBoost record linkage. Identified parents: father M Davis (~0.92 confidence) and father Marion Davis (~0.92 confidence) and mother Mary Davis (~0.92 confidence) and mother Mary Davis (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
M Davis
b. ~1866
Source father
● Household
· direct · ~0.92
Father
Marion Davis
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Mary Davis
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Mary Davis
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Marion Davis
Head · 1930 · age 30 · b. ~1900 · 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 — Rio Grande, Colorado
Open full size
1930 US Federal Census — Rio Grande, Colorado
Page Contents
50 people indexed on this census page (ia:1930:15thcensus251unit:0079)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Modesto Sandoval | 25 | Son-in-law | Laborer | New Mexico |
| 2 | Rufunita Sandoval | 20 | Daughter | Servant | New Mexico |
| 3 | Santiago Valdez | 78 | Head | — | New Mexico |
| 4 | Tomy Valdez | 65 | Wife | — | Colorado |
| 5 | Margaret Montoya | 34 | Daughter | Helper | Colorado |
| 6 | Pattie Montoya | 13 | Granddaughter | — | Colorado |
| 7 | Leo Montoya | 11 | Grandson | Laborer | Colorado |
| 8 | Carrie Montoya | 7 | Granddaughter | — | Colorado |
| 9 | Vic Montoya | 4 | Grandson | — | Colorado |
| 10 | Viola Montoya | 3 | Granddaughter | — | Colorado |
| 11 | Solomon Mestas | 36 | Head | Shepherd | Colorado |
| 12 | Crialos Mestas | 33 | Wife | — | New Mexico |
| 13 | Isabel Mestas | 9 | Daughter | — | Colorado |
| 14 | Baldamero Mestas | 8 | Son | — | Colorado |
| 15 | Rosie Mestas | 6 | Daughter | — | Colorado |
| 16 | Ernest Mestas | 4 | Son | — | Colorado |
| 17 | Mary Mestas | 1 | Daughter | — | Colorado |
| 18 | Manuel Romero | 53 | Head | Section Hand | New Mexico |
| 19 | Cension Romero | 40 | Wife | Laundress | New Mexico |
| 20 | Henry R. Slater | 63 | Head | Contractor | Michigan |
| 21 | Lena H. Slater | 56 | Wife | — | Illinois |
| 22 | Florence Slater | 33 | Daughter | Teacher | Colorado |
| 23 | Loren Bassett | 45 | Head | Manager | Colorado |
| 24 | Katherine Bassett | 42 | Wife | — | Colorado |
| 25 | Harold Bassett | 14 | Son | — | Colorado |
| 26 | Charles R. Bassett | 23 | Head | Electrician | Colorado |
| 27 | Rachel L. Bassett | 19 | Wife | — | Colorado |
| 28 | Clarice R. Bassett | 1 | Daughter | — | Colorado |
| 29 | Marion B. Davis THIS PERSON | 30 | Head | Proprietor | Indiana |
| 30 | Pauline M. Davis | 25 | Wife | — | Illinois |
| 31 | Eleanor Jean Davis | 3 | Daughter | — | Colorado |
| 32 | Marjorie Ann Davis | 1 | Daughter | — | Colorado |
| 33 | Ben Espinosa | 35 | Head | Bricklayer | Colorado |
| 34 | Lila Espinosa | 32 | Wife | — | Colorado |
| 35 | Gilbert Espinosa | 12 | Son | Laborer | Colorado |
| 36 | Esther Espinosa | 10 | Daughter | — | Colorado |
| 37 | Virginia Espinosa | 8 | Daughter | — | Colorado |
| 38 | David Espinosa | 5 | Son | — | Colorado |
| 39 | Anne Espinosa | 2 | Daughter | — | Colorado |
| 40 | Ernest Hoffmann | 68 | Head | — | Germany |
| 41 | John Silva | 44 | Head | Laborer | Colorado |
| 42 | Cinia Silva | 35 | Wife | — | Colorado |
| 43 | Al Silva | 24 | Son | Laborer | Colorado |
| 44 | Frank Silva | 20 | Son | Laborer | Colorado |
| 45 | Alexandria Silva | 18 | Son | Laborer | Colorado |
| 46 | John Jr. Silva | 16 | Son | Laborer | Colorado |
| 47 | Joe A. Silva | 14 | Son | Laborer | Colorado |
| 48 | Rose Silva | 12 | Daughter | — | Colorado |
| 49 | Annie Silva | 10 | Daughter | — | Colorado |
| 50 | Eugene Silva | 7 | Son | — | Colorado |
Pedigree Summary
Marion
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)