MD
Mary Davis — 1930 US Census Record
Model Tree available1930 United States Federal Census · Strafford, New Hampshire
Our Model Tree links this Mary Davis across the 1900, 1910, 1920 and 1930 US Censuses in Strafford, New Hampshire (XGBoost, ~Confirmed), with identified parents Eugene & Eugene — first a daughter (b.~1891), then head of a 3-person household.
Age 39
b. ~1891
Female
Daughter
Born: New Hampshire
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Strafford, New Hampshire |
| Surname | Davis |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Township / Ward | Dover City |
| Est. Birth Year | ~1891 |
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 Davis | Daughter | — | 39 | ~1891 |
| Eugene Davis | Head | — | 79 | ~1851 |
| Annie Davis | Other | — | 79 | ~1851 |
Census Appearances
1900
Strafford, New …
Daughter, age 10
Strafford, New Hampshire · implied b. ~1890 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Birth Month | Sept |
| Birth Year | 1890 |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Occupation | At School |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1910
Strafford, New …
Daughter, age 19
Strafford, New Hampshire · implied b. ~1891 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Children Born | 0 |
| Children Living | 0 |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1920
Strafford, New …
Daughter, age 29
Strafford, New Hampshire · implied b. ~1891 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Mae E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1930
Strafford, New …
Daughter, age 39
Strafford, New Hampshire · implied b. ~1891 — 3 household members
| Surname | Davis |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Can Read/Write | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
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 Davis across 4 US Census years (1900, 1910, 1920 and 1930) in Strafford, New Hampshire, using XGBoost record linkage. Identified parents: father Eugene Davis (~0.92 confidence) and father Eugene Davis (~0.92 confidence) and father George Davis (~0.92 confidence) and mother Justine Davis (~0.92 confidence) and mother Fanny Davis (~0.92 confidence) and mother Abbie Davis (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Eugene Davis
b. ~1851
Source father
● Household
· direct · ~0.92
Father
Eugene Davis
b. ~1855
Source father
● Household
· direct · ~0.92
Father
George Davis
b. ~1846
Source father
● Household
· direct · ~0.92
Mother
Justine Davis
b. ~1851
Source mother
● Household
· direct · ~0.92
Mother
Fanny Davis
b. ~1851
Source mother
● Household
· direct · ~0.92
Mother
Abbie Davis
b. ~1851
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Davis
Daughter · 1930 · age 39 · b. ~1891 · New Hampshire
★ 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 — Strafford, New Hampshire
Open full size
1930 US Federal Census — Strafford, New Hampshire
Page Contents
50 people indexed on this census page (ia:1930:15thcensus1306unit:0392)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Raymond E | 25 | Son | — | New Hampshire |
| 2 | John P | 28 | Brother | — | New Hampshire |
| 3 | Frederick W Hally | 74 | Brother-in-law | — | New Hampshire |
| 4 | George E Gurney | 27 | Head | Belt Shops | Maine |
| 5 | Ethel A Gurney | 33 | Wife-H | Operator | Maine |
| 6 | Claire A Gurney | 6 | Daughter | — | Maine |
| 7 | John G Mellen | 51 | Head | Barber | New Hampshire |
| 8 | Hilda D Mellen | 58 | Wife-H | — | New Hampshire |
| 9 | Leona M Mellen | 17 | Daughter | — | New Hampshire |
| 10 | Eileen V Mellen | 15 | Daughter | — | New Hampshire |
| 11 | John F H Mellen | 14 | Son | — | New Hampshire |
| 12 | Edward F Mellen | 11 | Son | — | New Hampshire |
| 13 | Edward F Mellen | 10 | Son | — | New Hampshire |
| 14 | Mary S Holt | 69 | Head-H | — | New Hampshire |
| 15 | Edith M Harold | 58 | Niece | Saleslady | New Hampshire |
| 16 | Eugene A Davis | 79 | Head | — | New Hampshire |
| 17 | Annie E Davis | 79 | Wife-H | — | New Hampshire |
| 18 | Mary E Davis THIS PERSON | 39 | Daughter | — | New Hampshire |
| 19 | Arthur W Hoffman | 59 | Head | Bookkeeper | New Hampshire |
| 20 | Mary E Hoffman | 73 | Wife-H | Painter | New Hampshire |
| 21 | Frank E Blackburn | 51 | Son-in-law | Attorney | Maine |
| 22 | William King | 58 | Head | Machinist | Norway |
| 23 | Olina King | 48 | Wife-H | — | Norway |
| 24 | Inga King | 17 | Daughter | — | New Hampshire |
| 25 | Harriet King | 16 | Daughter | — | New Hampshire |
| 26 | Henry E Swallow | 41 | Head | Watchman | New Hampshire |
| 27 | Catherine Swallow | 55 | Wife-H | — | Massachusetts |
| 28 | Eleanor Swallow | 15 | Daughter | — | New Hampshire |
| 29 | Lois Swallow | 13 | Daughter | — | New Hampshire |
| 30 | Francis Swallow | 11 | Daughter | — | New Hampshire |
| 31 | Minnie King | 55 | Head-H | Labor | Norway |
| 32 | Sophia Jensen | 60 | Sister | — | Norway |
| 33 | Andrew C Housfield | 63 | Head | Superintendent | Sweden |
| 34 | Edith M Housfield | 50 | Wife-H | — | New Hampshire |
| 35 | Katherine M Housfield | 25 | Daughter | Operator | New Hampshire |
| 36 | Mary A Agnew | 78 | Mother-in-law | — | New Hampshire |
| 37 | Edwin E Gundach | 46 | Head | — | Maine |
| 38 | Martha S Gundach | 45 | Daughter-H | — | New Hampshire |
| 39 | Charles Gundach | 13 | Son | — | New Hampshire |
| 40 | Lois N Gundach | 10 | Daughter | — | New Hampshire |
| 41 | Elizabeth J Gundach | 5 | Daughter | — | New Hampshire |
| 42 | Charles J Rolland | 53 | Head | — | New Hampshire |
| 43 | Helen M Rolland | 49 | Wife-H | Machinist | New Hampshire |
| 44 | Marion D Rolland | 26 | Daughter | — | New Hampshire |
| 45 | James S Whittemore | 41 | Head | Teacher | Maine |
| 46 | Ethel G Whittemore | 45 | Wife-H | Superintendent | Maine |
| 47 | Donald S Whittemore | 16 | Son | — | Maine |
| 48 | Robert S Whittemore | 11 | Son | — | Maine |
| 49 | John J Haley | 43 | Head | Laborer | New Hampshire |
| 50 | Rose Haley | 44 | Wife-H | — | Newfoundland |
Pedigree Summary
Mary
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
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)