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Mary Berger — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Woodbury, Iowa
Our Model Tree links this Mary Berger across the 1930 and 1940 US Censuses in Woodbury, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1881), then head of a 8-person household.
Age 49
b. ~1881
Female
Spouse
Born: Iowa
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Woodbury, Iowa |
| Surname | Berger |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 22 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Sioux City |
| Est. Birth Year | ~1881 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Joseph Berger | Son | — | 14 | ~1916 |
| Jake Berger | Head | — | 51 | ~1879 |
| Herbert Berger | Son | — | 8 | ~1922 |
| Leo Berger | Son | — | 11 | ~1919 |
| Marcelus Berger | Son | — | 16 | ~1914 |
| Charles Berger | Son | — | 26 | ~1904 |
| Mary Berger | Spouse | — | 49 | ~1881 |
| Matilda Berger | Daughter | — | 23 | ~1907 |
Census Appearances
1930
Woodbury, Iowa
Spouse, age 49
Woodbury, Iowa · implied b. ~1881 — 8 household members
| Surname | Berger |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 22 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Woodbury-County, Iowa
Spouse, age 59
Woodbury-County, Iowa · implied b. ~1881 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Berger |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Sioux City |
| 1935 Residence (County) | Woodbury |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| 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 Mary Berger across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Berger
Spouse · 1930 · age 49 · b. ~1881 · Iowa
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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 — Woodbury, Iowa
Open full size
1930 US Federal Census — Woodbury, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel690:0567)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Mcnally | 33 | Head | Fireman | Iowa |
| 2 | Mary Mcnally | 30 | Wife | — | Iowa |
| 3 | Mary E. Mcnally | 6 | Daughter | — | Iowa |
| 4 | John J. Mcnally | 3 | Son | — | Iowa |
| 5 | James Mcnally | 78 | Head | Farmer | Massachusetts |
| 6 | Bessie Mcnally | 65 | Wife | — | Ireland |
| 7 | Martin Clancy | 40 | Head | Machinist Helper | Iowa |
| 8 | Vera Clancy | 43 | Wife | — | South Dakota |
| 9 | William Gano | 68 | Head | Farmer | Wisconsin |
| 10 | Laura Gano | 70 | Wife | — | Wisconsin |
| 11 | Michael Brennan | 57 | Head | Conductor | Connecticut |
| 12 | Winifred Brennan | 54 | Wife | — | Iowa |
| 13 | Michael Jr. Brennan | 21 | Son | Mechanic | Iowa |
| 14 | Milton Brennan | 19 | Son | Nightman | Iowa |
| 15 | Maurice Brennan | 17 | Son | — | Iowa |
| 16 | Robert Brennan | 16 | Son | — | Iowa |
| 17 | Francis Brennan | 13 | Son | — | Iowa |
| 18 | Winifred Brennan | 10 | Daughter | — | Iowa |
| 19 | Claude Ragan | 52 | Head | Farmer | Illinois |
| 20 | Effie Ragan | 47 | Wife | — | Iowa |
| 21 | Opal Ragan | 17 | Daughter | Servant | Iowa |
| 22 | Margaret Ragan | 15 | Daughter | — | Iowa |
| 23 | Arlo Ragan | 9 | Son | — | Iowa |
| 24 | Arlene Ragan | 9 | Daughter | — | Iowa |
| 25 | Donald Ragan | 4 | Son | — | Iowa |
| 26 | Jake Berger | 51 | Head | Farmer | Iowa |
| 27 | Mary Berger THIS PERSON | 49 | Wife | — | Iowa |
| 28 | Charles Berger | 26 | Son | Helper | Iowa |
| 29 | Matilda Berger | 23 | Daughter | Helper | Iowa |
| 30 | Marcelus Berger | 16 | Son | — | Iowa |
| 31 | Joseph Berger | 14 | Son | — | Iowa |
| 32 | Leo Berger | 11 | Son | — | Iowa |
| 33 | Herbert Berger | 8 | Son | — | Iowa |
| 34 | Allen Mucer | 35 | Head | Farmer | Iowa |
| 35 | Elsie Mucer | 35 | Wife | — | Iowa |
| 36 | Alice Mucer | 14 | Daughter | — | Iowa |
| 37 | Alene Mucer | 11 | Daughter | — | Iowa |
| 38 | Betty J. Mucer | 6 | Daughter | — | Iowa |
| 39 | Sylvester Woolworth | 26 | Head | Trucker | Iowa |
| 40 | Mildred Woolworth | 20 | Wife | — | Iowa |
| 41 | Lester Woolworth | 7 | Son | — | Iowa |
| 42 | Kenneth Woolworth | 6 | Son | — | Iowa |
| 43 | Melvin Woolworth | 3 | Son | — | Iowa |
| 44 | Geraldine Woolworth | 1 | Daughter | — | Iowa |
| 45 | Clayton Mcguire | 36 | Head | Machinist | Iowa |
| 46 | Hattie Mcguire | 33 | Wife | — | Iowa |
| 47 | Kenneth Mcguire | 9 | Son | — | Iowa |
| 48 | Shirley Mcguire | 7 | Daughter | — | Iowa |
| 49 | John Smith | 29 | Head | Farmer | Iowa |
| 50 | Smith | None | — | — | — |
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)