AR
Arthur Ross — 1930 US Census Record
Linked across censuses1930 United States Federal Census · St Louis, Missouri
Our Model Tree links this Arthur Ross across the 1930 and 1940 US Censuses in St Louis, Missouri (XGBoost, ~Confirmed) — first a son (b.~1915), then head of a 8-person household.
Age 15
b. ~1915
Male
Son
Born: Missouri
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | St Louis, Missouri |
| Surname | Ross |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Missouri |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | St Louis City |
| Est. Birth Year | ~1915 |
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 Arthur | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Ross | Daughter | — | 11 | ~1919 |
| Mildred Ross | Daughter | — | 10 | ~1920 |
| John Ross | Son | — | 24 | ~1906 |
| Matilda Ross | Spouse | — | 50 | ~1880 |
| Marion Ross | Daughter | — | 10 | ~1920 |
| Arthur Ross | Son | — | 15 | ~1915 |
| William Ross | Head | — | 56 | ~1874 |
| Virginia Ross | Daughter | — | 11 | ~1919 |
Census Appearances
1930
St Louis, …
Son, age 15
St Louis, Missouri · implied b. ~1915 — 8 household members
| Surname | Ross |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-City-County, Missouri
Son, age 24
St.-Louis-City-County, Missouri · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roos |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis |
| 1935 Residence (County) | St. Louis |
| Occupation | delicatessen store proprietor |
| Industry | Delicatessen store |
| Class of Worker | E |
| Hours Worked | 84 |
| Income (1939) | 156 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Arthur Ross across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Arthur Ross
Son · 1930 · age 15 · b. ~1915 · Missouri
★ You are viewing this record
Sibling
John Ross
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Ross
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Ross
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Ross
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Ross
Sibling · 1930 · age 11
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 — St Louis, Missouri
Open full size
1930 US Federal Census — St Louis, Missouri
Page Contents
39 people indexed on this census page (ia:1930:missouricensus00reel1233:0254)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Albert Humbert | 41 | Head | Merchant | Missouri |
| 2 | Lillian Humbert | 36 | Wife-H | — | Illinois |
| 3 | Albert Jr Humbert | 15 | Son | — | Missouri |
| 4 | William Humbert | 14 | Son | — | Missouri |
| 5 | Mary Humbert | 12 | Daughter | — | Missouri |
| 6 | Tekla Lahan | 55 | Head-H | — | Germany |
| 7 | Ann Dooley | 72 | Head-H | — | Ohio State |
| 8 | Joseph M Dooley | 45 | Son | Teamster | Missouri |
| 9 | John J Dooley | 40 | Son | Salesman | Missouri |
| 10 | Michael M Dooley | 36 | Son | — | Missouri |
| 22 | Ann Lemarling | 50 | Head | — | Missouri |
| 23 | John Lemarling | 18 | Son | — | Missouri |
| 24 | Anita M Lemarling | 16 | Daughter | — | Missouri |
| 25 | John Gahn | 50 | Head | — | Missouri |
| 26 | Mary Gahn | 50 | Wife | — | Missouri |
| 27 | Loretta Gahn | 7 | Daughter | — | Missouri |
| 28 | Bernice Gahn | 4 | Daughter | — | Missouri |
| 29 | Joseph Nagy | 42 | Head | — | Hungary |
| 30 | Mary Nagy | 40 | Wife | — | Hungary |
| 31 | Mary Nagy | 15 | Daughter | — | Missouri |
| 32 | Josephine Nagy | 13 | Daughter | — | Missouri |
| 33 | Robert Nagy | 11 | Son | — | Missouri |
| 34 | Frank Kovalski | 37 | Head | — | Poland |
| 35 | Grace Kovalski | 36 | Wife | — | Missouri |
| 36 | Eugene Kovalski | 15 | Son | — | Missouri |
| 37 | William Ross | 56 | Head | — | Pennsylvania |
| 38 | Matilda Ross | 50 | Wife | — | Missouri |
| 39 | John Ross | 24 | Son | — | Missouri |
| 40 | Arthur Ross THIS PERSON | 15 | Son | — | Missouri |
| 41 | Marion Ross | 10 | Daughter | — | Missouri |
| 42 | Virginia Ross | 11 | Daughter | — | Missouri |
| 43 | Elizabeth Ross | 11 | Daughter | — | Missouri |
| 44 | Mildred Ross | 10 | Daughter | — | Missouri |
| 45 | Frank Mcpheron | 40 | Head | — | Missouri |
| 46 | Margaret Mcpheron | 42 | Wife | — | Missouri |
| 47 | Marvin Mcpheron | 17 | Son | — | Missouri |
| 48 | Rita Mcpheron | 11 | Daughter | — | Missouri |
| 49 | Pearl Mcpheron | 9 | Daughter | — | Missouri |
| 50 | Roy Mitchell | 27 | Son-in-law | — | Missouri |
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)