RS
Ronald Smith — 1930 US Census Record
Linked across censuses1930 United States Federal Census · San Mateo, California
Our Model Tree links this Ronald Smith across the 1920 and 1930 US Censuses in San Mateo, California (XGBoost, ~Confirmed) — first a head (b.~1880), then head of a 6-person household.
Age 50
b. ~1880
Male
Head
Born: Nova Scotia
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | San Mateo, California |
| Surname | Smith |
| Given Name | Ronald |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Nova Scotia |
| Naturalization Status | Naturalized |
| Year of Immigration | 1887 |
| Age at First Marriage | 35 |
| Father's Birthplace | Nova Scotia |
| Mother's Birthplace | Nova Scotia |
| Additional Details | |
| Occupation | Foreman |
| Industry | Freight yard Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 3800 |
| Radio Set | R |
| Veteran | No |
| Birthplace (normalized) | nova scotia |
| Occupation | Foreman |
| Township / Ward | Daly City Pt Of 6Th Class City |
| Est. Birth Year | ~1880 |
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 1930 census.
| Name | Relation to head | Relative to Ronald | Age | Birth yr |
|---|---|---|---|---|
| Ronald Smith | Head | — | 50 | ~1880 |
| Kenneth Smith | Son | — | 15 | ~1915 |
| Donald Smith | Son | — | 16 | ~1914 |
| Robert Smith | Son | — | 12 | ~1918 |
| Grant Smith | Son | — | 9 | ~1921 |
| Lillian Smith | Spouse | — | 48 | ~1882 |
Census Appearances
1920
San Francisco, …
Head, age 40
San Francisco, California · implied b. ~1880 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Ronald |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Nova Scotia |
| Year of Immigration | 1887 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Ireland |
| Occupation | Freight Foreman |
| Industry | R.R. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Year of Naturalization | 1893 |
| Birthplace (normalized) | nova scotia |
1930
San Mateo, …
Head, age 50
San Mateo, California · implied b. ~1880 — 6 household members
| Surname | Smith |
| Given Name | Ronald |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Nova Scotia |
| Naturalization Status | Naturalized |
| Year of Immigration | 1887 |
| Age at First Marriage | 35 |
| Father's Birthplace | Nova Scotia |
| Mother's Birthplace | Nova Scotia |
| Occupation | Foreman |
| Industry | Freight yard Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 3800 |
| Radio Set | R |
| Veteran | No |
| Birthplace (normalized) | nova scotia |
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 Ronald Smith across 2 US Census years (1920 and 1930) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ronald Smith
Head · 1930 · age 50 · b. ~1880 · California
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — San Mateo, California
Open full size
1930 US Federal Census — San Mateo, California
Page Contents
50 people indexed on this census page (ia:1930:californiacensus00reel216:0420)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Elbert E. Keithley | 20 | Son | Shipping Clerk | Oregon |
| 52 | Charlotte R. Keithley | 18 | Daughter | File Clerk | Oregon |
| 53 | Verle E. Keithley | 13 | Daughter | — | Oregon |
| 54 | Viva M. Keithley | 12 | Daughter | — | Oregon |
| 55 | Abe Goldstein | 53 | Head | Barber-Proprietor | Germany |
| 56 | Olyvia M. Goldstein | 43 | Wife | — | California |
| 57 | Fred C. Alexander | 26 | Head | Radio Operator | California |
| 58 | Sidney J. Alexander | 27 | Wife | Cashier | Oregon |
| 59 | Henry C. Joscelyn | 60 | Head | Carpenter | New York |
| 60 | Anna V. Joscelyn | 45 | Wife | — | California |
| 61 | Marion L. Joscelyn | 21 | Daughter | Stenographer | California |
| 62 | William C. Joscelyn | 13 | Son | — | California |
| 63 | William J. Shannon | 48 | Brother-in-law | Truck Driver | California |
| 64 | Homer Gamblin | 45 | Head | Printer | Missouri |
| 65 | Ida Gamblin | 45 | Wife | — | Italy |
| 66 | John H. Duffner | 53 | Head | Drapery Man | Kansas |
| 67 | Fredericka Duffner | 66 | Wife | Seamstress | Denmark |
| 68 | Conrad Mundelius | 84 | Head | — | Germany |
| 69 | Louise Mundelius | 83 | Wife | — | Sweden |
| 70 | Gottfried F. Wild | 67 | Head | — | Germany |
| 71 | Frank Pardi | 36 | Head | Shipping Clerk | France |
| 72 | Rose C. Pardi | 24 | Wife | — | California |
| 73 | Roy J. Pardi | 3 | Son | — | California |
| 74 | David H., Sr. Harper | 57 | Head | Rigger | Canada |
| 75 | Cecelia C. Harper | 46 | Wife | — | Michigan |
| 76 | Cecelia B. Harper | 14 | Daughter | — | Michigan |
| 77 | Marie Harper | 12 | Daughter | — | California |
| 78 | David H., Jr. Harper | 9 | Son | — | California |
| 79 | William Harper | 3 | Son | — | Colorado |
| 80 | Ronald Smith THIS PERSON | 50 | Head | Foreman | Nova Scotia |
| 81 | Lillian Smith | 48 | Wife | — | England |
| 82 | Donald M. Smith | 16 | Son | — | British Columbia |
| 83 | Kenneth T. Smith | 15 | Son | — | California |
| 84 | Robert A. Smith | 12 | Son | — | California |
| 85 | Grant R. Smith | 9 | Son | — | California |
| 86 | Remi Sanders | 35 | Head | Garment Cutter | Belgium |
| 87 | Lucie Sanders | 26 | Wife | — | California |
| 88 | Alice Sanders | 7 | Daughter | — | California |
| 89 | Lorraine Sanders | 1 | Daughter | — | California |
| 90 | Frank D. Schreiber | 33 | Head | Mechanic | Iowa |
| 91 | Margaret V. Schreiber | 28 | Wife | — | California |
| 92 | Dean H. Schreiber | 5 | Son | — | California |
| 93 | Marjorie A. Schreiber | 3 | Daughter | — | California |
| 94 | Kathleen J. Schreiber | 1 | Daughter | — | California |
| 95 | Mary Dineen | 67 | Mother-in-law | — | Irish Free State |
| 96 | Signe A. Lovsted | 32 | Head | Waitress | Sweden |
| 97 | Marion J. Lovsted | 13 | Son | — | Minnesota |
| 98 | James C. M. Ray | 44 | Head | Paint Mixer | Scotland |
| 99 | Flora S. Ray | 45 | Wife | — | Scotland |
| 100 | Charlotte Ray | 14 | Daughter | — | Scotland |
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)