MD
May Davis — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Multnomah, Oregon
Our Model Tree links this May Davis across the 1920 and 1930 US Censuses in Multnomah, Oregon (XGBoost, ~Confirmed) — first a spouse (b.~1884), then head of a 5-person household.
Age 46
b. ~1884
Female
Spouse
Born: Kansas
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Multnomah, Oregon |
| Surname | Davis |
| Given Name | May H. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Kansas |
| Age at First Marriage | 26 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Township / Ward | Portland |
| Est. Birth Year | ~1884 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to May | Age | Birth yr |
|---|---|---|---|---|
| Claude Davis | Head | — | 50 | ~1880 |
| Lowell Davis | Son | — | 13 | ~1917 |
| Lois Davis | Daughter | — | 15 | ~1915 |
| Mary Davis | Daughter | — | 19 | ~1911 |
| May Davis | Spouse | — | 46 | ~1884 |
Census Appearances
1920
Multnomah, Oregon
Spouse, age 36
Multnomah, Oregon · implied b. ~1884 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | May |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Kansas |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Kansas |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Multnomah, Oregon
Spouse, age 46
Multnomah, Oregon · implied b. ~1884 — 5 household members
| Surname | Davis |
| Given Name | May H. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Kansas |
| Age at First Marriage | 26 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 May Davis across 2 US Census years (1920 and 1930) in Multnomah, Oregon, using XGBoost record linkage.
Show:
This person
Anchor record
May Davis
Spouse · 1930 · age 46 · b. ~1884 · 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:1930:15thcensus1954unit:0213)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sam Backstrom | 45 | Head | Buttermaker | Sweden |
| 2 | Lillian Backstrom | 42 | Wife | — | Oregon |
| 3 | June Backstrom | 18 | Daughter | Attendant | Oregon |
| 4 | J. F. Ballantyne | 60 | Head | Attendant | Pennsylvania |
| 5 | Maud B. Ballantyne | 56 | Wife | — | West Virginia |
| 6 | June D. Ballantyne | 27 | Daughter | Bellman | West Virginia |
| 7 | N. O. Anderson | 71 | Head | Contractor | Denmark |
| 8 | Ida A. Anderson | 64 | Wife | — | Kansas |
| 9 | Louie O. Lewis | 42 | Step-son | Special Agent | Oregon |
| 10 | Harry E. Bagge | 37 | Head | Head Waiter | Iowa |
| 11 | Florence M. Bagge | 30 | Wife | Organist | Oregon |
| 12 | Gene G. Bagge | 9 | Son | — | Oregon |
| 13 | Harry E. Jr. Bagge | 6 | Son | — | Oregon |
| 14 | Carl Blumberg | 52 | Father-in-law | Messenger | Oregon |
| 15 | Ethel M. Eastburn | 35 | Servant | Servant | Missouri |
| 16 | Axel Olson | 72 | Head | — | Sweden |
| 17 | Christina Olson | 72 | Wife | — | Sweden |
| 18 | Ruth E. Olson | 35 | Daughter | Clerk | Oregon |
| 19 | Claude C. Davis | 50 | Head | Engineer | Nebraska |
| 20 | May H. Davis THIS PERSON | 46 | Wife | — | Kansas |
| 21 | Mary A. Davis | 19 | Daughter | — | Washington |
| 22 | Lois Davis | 15 | Daughter | — | Oregon |
| 23 | Lowell Davis | 13 | Son | — | Oregon |
| 24 | Richard Allison | 44 | Head | Manager | Indiana |
| 25 | Gladys Allison | 34 | Wife | — | Illinois |
| 26 | Ruth E. Strong | 36 | Head | Teacher | Washington |
| 27 | Herbert L. Strong | 10 | Son | — | Oregon |
| 28 | Carrie L. Turner | 63 | Mother | Policewoman | Michigan |
| 29 | Olga Berg | 24 | Servant | Servant | Wisconsin |
| 30 | Minnie M. Chapman | 61 | Head | — | Oregon |
| 31 | Madge M. Chapman | 30 | Daughter | Pharmacist | Oregon |
| 32 | William H. Chapman | 31 | Son-in-law | Inspector | Oregon |
| 33 | Chas. B. Smith | 54 | Head | Foreman | Oregon |
| 34 | Amelia F. Smith | 53 | Wife | — | Wisconsin |
| 35 | Sidney W. Smith | 30 | Son | Shipbuilder | Oregon |
| 36 | Milton E. Smith | 25 | Son | Chauffeur | Oregon |
| 37 | Harold S. Smith | 24 | Son | Painter | Oregon |
| 38 | Helen L. Smith | 20 | Daughter | Saleslady | Oregon |
| 39 | Pansy Smith | 16 | Daughter | — | Oregon |
| 40 | Philip Merritt | 43 | Head | Chef | Slovakia |
| 41 | Martha Merritt | 36 | Wife | — | Montana |
| 42 | Helen M. Merritt | 14 | Daughter | — | Washington |
| 43 | Lillian Merritt | 11 | Daughter | — | Washington |
| 44 | Mary Mcglynn | 76 | Mother-in-law | — | United States |
| 45 | Albert A. Moe | 62 | Head | — | Norway |
| 46 | James Norton | 81 | Head | — | United States |
| 47 | Fred G. Anderson | 49 | Head | Engineer | Alaska |
| 48 | Ada E. Anderson | 49 | Wife | — | North Dakota |
| 49 | Annette M. Anderson | 16 | Daughter | — | Oregon |
| 50 | Mary E. Simms | 54 | Head | Secretary | Ohio |
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)