MP
Mary Peterson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Pierce, Washington
Our Model Tree links this Mary Peterson across the 1920, 1930 and 1940 US Censuses in Pierce, Washington (XGBoost, ~Confirmed) — first a spouse (b.~1887), then head of a 4-person household.
Age 43
b. ~1887
Female
Spouse
Born: Finland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Pierce, Washington |
| Surname | Peterson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Finland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1903 |
| Age at First Marriage | 24 |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
| Township / Ward | Tacoma City |
| Est. Birth Year | ~1887 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Agnes Peterson | Daughter | — | 17 | ~1913 |
| John Peterson | Head | — | 45 | ~1885 |
| George Peterson | Son | — | 16 | ~1914 |
| Mary Peterson | Spouse | — | 43 | ~1887 |
Census Appearances
1920
Pierce, Washington
Spouse, age 32
Pierce, Washington · implied b. ~1888 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Finland |
| Year of Immigration | 1906 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
1930
Pierce, Washington
Spouse, age 43
Pierce, Washington · implied b. ~1887 — 4 household members
| Surname | Peterson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Finland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1903 |
| Age at First Marriage | 24 |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
1940
Pierce-County, Washington
Spouse, age 53
Pierce-County, Washington · implied b. ~1887 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Maria |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Finland |
| 1935 Residence (City) | Tacoma City |
| 1935 Residence (County) | Pierce |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
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 Mary Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Peterson
Spouse · 1930 · age 43 · b. ~1887 · Washington
★ 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 — Pierce, Washington
Open full size
1930 US Federal Census — Pierce, Washington
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2512unit:0566)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Frank Brown | 49 | Head | Ice Wagon | No. Carolina |
| 52 | Walter Brown | 16 | Son | Laborer | Montana |
| 53 | Isabelle Brown | 15 | Daughter | Student | Montana |
| 54 | Martha Brown | 74 | Mother | None | No. Carolina |
| 55 | Harry Ingham | 36 | Head | Engineer | Kansas |
| 56 | Madora Ingham | 30 | Wife | None | Iowa |
| 57 | Lorraine Ingham | 9 | Daughter | None | Washington |
| 58 | Robert Ingham | 7 | Son | None | Oregon |
| 59 | Ross Ingham | 5 | Son | None | Washington |
| 60 | Joseph J. Price | 61 | Head | Skimmer | Pennsylvania |
| 61 | Dorothea Price | 52 | Wife | None | Washington |
| 62 | Elmer Price | 16 | Son | Newsboy | Washington |
| 63 | Erwin Price | 12 | Son | None | Washington |
| 64 | Mary Christen | 77 | Mother | None | Denmark |
| 65 | Simon Christen | 50 | Brother | None | Washington |
| 66 | Patrick Scanlon | 60 | Head | None | Ireland |
| 67 | Ellen Scanlon | 55 | Wife | None | Washington |
| 68 | James Scanlon | 25 | Son | Electrician | Washington |
| 69 | Carl Nordberg | 24 | Head | Painter | Washington |
| 70 | Sylvia Nordberg | 18 | Wife | Crane Chaser | Washington |
| 71 | Charles A. Parker | 35 | Head | Teacher | Washington |
| 72 | Alice Parker | 31 | Wife | Teacher | Washington |
| 73 | Elaine Parker | 5 | Daughter | None | Washington |
| 74 | Sidney Quigley | 40 | Head | Foreman | England |
| 75 | Amelia Quigley | 38 | Wife | Head Washer | Canada-English |
| 76 | Theodore Quigley | 14 | Son | None | Canada-English |
| 77 | Bernard Valentine | 50 | Head | Cook | Michigan |
| 78 | Cora Valentine | 51 | Wife | None | Iowa |
| 79 | Francis Bolt | 75 | Head | None | England |
| 80 | Annie Bolt | 61 | Wife | None | Canada-English |
| 81 | William T. Lone | 58 | Head | Blacksmith | England |
| 82 | Thomas Lone | 26 | Son | Gas Engineer | Wyoming |
| 83 | John F. Lone | 21 | Son | Plumber | Wyoming |
| 84 | John F. Peterson | 45 | Head | Carpenter | Estonia |
| 85 | Mary Peterson THIS PERSON | 43 | Wife | None | Finland |
| 86 | Agnes A. Peterson | 17 | Daughter | None | Washington |
| 87 | George A. Peterson | 16 | Son | None | Washington |
| 88 | Marion Truman | 62 | Head | Resident Roller | Illinois |
| 89 | Hazel Truman | 20 | Daughter | None | Oklahoma |
| 90 | Madeline Truman | 17 | Daughter | None | Oklahoma |
| 91 | John J. Bell | 43 | Head | Garage Repairman | Canada-English |
| 92 | Elizabeth Bell | 40 | Wife | None | Scotland |
| 93 | Edwin Bell | 13 | Son | None | Washington |
| 94 | Margaret Bell | 8 | Daughter | None | Washington |
| 95 | Patrick Connor | 70 | Head | Foreman | Ireland |
| 96 | Peter Radzyminski | 70 | Head | None | Poland |
| 97 | Alonzo Ladzynski | 56 | Head | Furnaceman | Poland |
| 98 | Freda Ladzynski | 47 | Wife | None | Wisconsin |
| 99 | Walter Ladzynski | 19 | Son | Laborer | Washington |
| 100 | Mary Ladzynski | 17 | Daughter | None | Washington |
Related Census Records
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)