RM
Ralph Martin — 1920 US Census Record
Model Tree available1920 United States Federal Census · Buena Vista, Iowa
Our Model Tree links this Ralph Martin across the 1900, 1910 and 1920 US Censuses in Buena Vista, Iowa (XGBoost, ~Confirmed), with identified parents Simon & Emma — first a son (b.~1895), then head of a 6-person household.
Age 25
b. ~1895
Male
Son
Born: Iowa
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Buena Vista, Iowa |
| Surname | Martin |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Storm Lake City |
| Est. Birth Year | ~1895 |
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.
6 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Ralph | Age | Birth yr |
|---|---|---|---|---|
| Simon Martin | Head | — | 64 | ~1856 |
| Herbert Martin | Son | — | 16 | ~1904 |
| Emma Martin | Spouse | — | 50 | ~1870 |
| Ralph Martin | Son | — | 25 | ~1895 |
| Floyd Martin | Son | — | 12 | ~1908 |
| Vernon Martin | Son | — | 9 | ~1911 |
Census Appearances
1900
Buena Vista, …
Son, age 6
Buena Vista, Iowa · implied b. ~1894 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Marten |
| Given Name | Ralph L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Iowa |
| Birth Month | Feb |
| Birth Year | 1894 |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Iowa |
| Occupation | At school |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1910
Buena Vista, …
Son, age 16
Buena Vista, Iowa · implied b. ~1894 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Marten |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Buena Vista, …
Son, age 25
Buena Vista, Iowa · implied b. ~1895 — 6 household members
| Surname | Martin |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Ralph Martin across 3 US Census years (1900, 1910 and 1920) in Buena Vista, Iowa, using XGBoost record linkage. Identified parents: father Simon Marten (~0.92 confidence) and mother Emma Marten (~0.92 confidence) and mother Emma Marten (~0.92 confidence) and mother Emma Martin (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Simon Marten
b. ~1856
Source father
● Household
· direct · ~0.92
Mother
Emma Marten
b. ~1869
Source mother
● Household
· direct · ~0.92
Mother
Emma Marten
b. ~1870
Source mother
● Household
· direct · ~0.92
Mother
Emma Martin
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ralph Martin
Son · 1920 · age 25 · b. ~1895 · Iowa
★ You are viewing this record
Sibling
Vernon Martin
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herbert Martin
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Floyd Martin
Sibling · 1920 · age 12
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
1920 US Federal Census — Buena Vista, Iowa
Open full size
1920 US Federal Census — Buena Vista, Iowa
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu480unit:0589)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Adelia E. Bach | 20 | Sister-in-law | Teacher | Iowa |
| 52 | Lakes B. Caldwell | 27 | Head | County Clerk | Ohio |
| 53 | Belle Caldwell | 27 | Wife | — | Wisconsin |
| 54 | Ada B. Caldwell | 2 | Daughter | — | Iowa |
| 55 | Sophia Saathoff | 63 | Head | — | Ohio |
| 56 | Louise Saathoff | 36 | Daughter | Nurse | Iowa |
| 57 | Gertrude Saathoff | 34 | Daughter | Bookkeeper | Iowa |
| 58 | Henry Walker | 43 | Head | Clerk | Illinois |
| 59 | Louella Walker | 39 | Wife | — | New York |
| 60 | Gwenna Walker | 10 | Daughter | — | Iowa |
| 61 | Dale Walker | 8 | Son | — | Iowa |
| 62 | Carl F. Wellmerling | 45 | Head | Auto Dealer | Illinois |
| 63 | Nellie Wellmerling | 41 | Wife | — | Norway |
| 64 | Jay F. Wellmerling | 9 | Son | — | Iowa |
| 65 | M. J. Kaiser | 65 | Head | — | Wisconsin |
| 66 | Sophia J. Kaiser | 61 | Wife | — | Wisconsin |
| 67 | Sarah J. Kaiser | 30 | Daughter | — | Iowa |
| 68 | Ralph H. Morse | 30 | Head | Salesman | Indiana |
| 69 | Mabel Morse | 27 | Wife | — | Minnesota |
| 70 | Harvey Morse | 8 | Son | — | Minnesota |
| 71 | Lucille Morse | 6 | Daughter | — | Iowa |
| 72 | Donabelle Morse | 4 | Daughter | — | Iowa |
| 73 | Kyle Morse | 2 | Son | — | Iowa |
| 74 | Ralph P. Morse | 0 | Son | — | Iowa |
| 75 | Chas. B. Richardson | 57 | Head | — | Illinois |
| 76 | Addie Richardson | 46 | Wife | — | Illinois |
| 77 | Herbert Richardson | 24 | Son | Farmer | Iowa |
| 78 | Jennie J. Richardson | 20 | Daughter-in-law | Stenographer | Iowa |
| 79 | Buena P. Richardson | 17 | Daughter | — | Iowa |
| 80 | Bessie M. Richardson | 20 | Daughter | — | South Dakota |
| 81 | C. A. Wilcox | 82 | Head | — | New York |
| 82 | Alice E. Wilcox | 50 | Daughter | Teacher | Michigan |
| 83 | Henry Steig | 59 | Head | Overseer | France |
| 84 | Julia Steig | 47 | Wife | — | Iowa |
| 85 | Quickly Mavis Steig | 17 | Daughter | — | Iowa |
| 86 | Lewis O. Thomas | 44 | Head | Clerk | Iowa |
| 87 | Minnie Thomas | 50 | Wife | — | Illinois |
| 88 | John M. Thomas | 7 | Son | — | Iowa |
| 89 | S. C. Snyder | 87 | Mother-in-law | — | New York |
| 90 | Frank T. Cold | 56 | Head | — | Iowa |
| 91 | Sylvia Cold | 47 | Wife | — | Iowa |
| 92 | Wood Cold | 24 | Son | — | Iowa |
| 93 | Florence O. Cold | 18 | Daughter | — | Iowa |
| 94 | Simon Martin | 64 | Head | — | Wisconsin |
| 95 | Emma Martin | 50 | Wife | — | Iowa |
| 96 | Ralph Martin THIS PERSON | 25 | Son | — | Iowa |
| 97 | Herbert Martin | 16 | Son | — | Iowa |
| 98 | Floyd Martin | 12 | Son | — | Iowa |
| 99 | Vernon Martin | 9 | Son | — | Iowa |
| 100 | Andrus P. Olsen | 51 | Head | Merchant | Denmark |
Pedigree Summary
Ralph + 3 siblings
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 1920 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)