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Mary Marsh — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Multnomah, Oregon
Our Model Tree links this Mary Marsh across the 1920 and 1930 US Censuses in Multnomah, Oregon (XGBoost, ~Confirmed) — first a daughter (b.~1915), then head of a 3-person household.
Age 15
b. ~1915
Female
Daughter
Born: Colorado
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Multnomah, Oregon |
| Surname | Marsh |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Nebraska |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Portland 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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Marsh | Daughter | — | 15 | ~1915 |
| Silva Marsh | Spouse | — | 49 | ~1881 |
| Clyde Marsh | Head | — | 48 | ~1882 |
Census Appearances
1920
Multnomah, Oregon
Daughter, age 5
Multnomah, Oregon · implied b. ~1915 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Marsh |
| Given Name | Mary G. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Oregon |
| Mother's Birthplace | Nebraska |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Multnomah, Oregon
Daughter, age 15
Multnomah, Oregon · implied b. ~1915 — 3 household members
| Surname | Marsh |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Nebraska |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 Marsh across 2 US Census years (1920 and 1930) in Multnomah, Oregon, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Marsh
Daughter · 1930 · age 15 · b. ~1915 · Oregon
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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 — Multnomah, Oregon
Open full size
1930 US Federal Census — Multnomah, Oregon
Page Contents
50 people indexed on this census page (ia:1930:15thcensus1951unit:0648)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Eleanor E. Koppang | 15 | Daughter | — | Oregon |
| 52 | William A. Koppang | 13 | Son | — | Oregon |
| 53 | Harold Koppang | 36 | Head | Accountant | North Dakota |
| 54 | Ruth I. Koppang | 27 | Wife | — | Minnesota |
| 55 | Mary B. Mason | 78 | Mother-in-law | — | New York |
| 56 | Clyde A. Marsh | 48 | Head | Carpenter | Ohio |
| 57 | Silva Marsh | 49 | Wife | Teacher | Nebraska |
| 58 | Mary E. Marsh THIS PERSON | 15 | Daughter | — | Colorado |
| 59 | Agnes S. Patterson | 67 | Head | — | Iowa |
| 60 | Edna P. Foss | 38 | Daughter | Bookkeeper | Oregon |
| 61 | Jack H. Brown | 24 | Head | Clerk | Oregon |
| 62 | Ruth E. Brown | 22 | Wife | — | England |
| 63 | Ann D. Brown | 1 | Daughter | — | Oregon |
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| 100 | — | 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)