HD
Helen Davis — 1930 US Census Record
Model Tree available1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Helen Davis across the 1910, 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents Solomon & Jeanna — first a daughter (b.~1877), then head of a 4-person household.
Age 53
b. ~1877
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Davis |
| Given Name | Helen H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Reading Town Part Of |
| Est. Birth Year | ~1877 |
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 Helen | Age | Birth yr |
|---|---|---|---|---|
| Caroline Davis | Daughter | — | 56 | ~1874 |
| Helen Davis | Daughter | — | 53 | ~1877 |
| Joanna Davis | Head | — | 81 | ~1849 |
| Agnes Murphy | Other | — | 59 | ~1871 |
Census Appearances
1910
Middlesex, Massachusetts
Daughter, age 34
Middlesex, Massachusetts · implied b. ~1876 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Helen H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Daughter, age 43
Middlesex, Massachusetts · implied b. ~1877 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Helen H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Daughter, age 53
Middlesex, Massachusetts · implied b. ~1877 — 4 household members
| Surname | Davis |
| Given Name | Helen H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Helen Davis across 3 US Census years (1910, 1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage. Identified parents: father Solomon Davis (~0.92 confidence) and mother Jeanna Davis (~0.92 confidence) and father Solomon Davis (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Solomon Davis
b. ~1847
Source father
● Household
· direct · ~0.92
Mother
Jeanna Davis
b. ~1849
Source mother
● Household
· direct · ~0.92
Father
Solomon Davis
b. ~1850
Source father
● Household
· direct · ~0.92
This person
Anchor record
Helen Davis
Daughter · 1930 · age 53 · b. ~1877 · Massachusetts
★ You are viewing this record
Sibling
Caroline Davis
Sibling · 1930 · age 56
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Middlesex, Massachusetts
Open full size
1930 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel927:0420)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Reuben S. Horton | 65 | Head | Conductor | Massachusetts |
| 52 | Jessie C. Horton | 63 | Wife | — | Massachusetts |
| 53 | Edward A. Ryan | 32 | Son-in-law | Supervisor | Canada English |
| 54 | Gladys H. Ryan | 36 | Daughter | — | Massachusetts |
| 55 | Isaac S. Jones | 64 | Head | Carpenter | New Hampshire |
| 56 | Jennie S. Jones | 60 | Wife | — | Vermont |
| 57 | Maurice L. Jones | 35 | Son | Sales Manager | New Hampshire |
| 58 | Hannah W. Jones | 24 | Daughter | Asst. Bookkeeper | Massachusetts |
| 59 | Edwin D. Jones | 16 | Son | — | Massachusetts |
| 60 | Anne Mccaffrey | 29 | Boarder | Asst. Merchant | Massachusetts |
| 61 | W. Clayton Kohl | 39 | Head | Electrical Engineer | Ohio |
| 62 | Elizabeth A. Kohl | 28 | Wife | — | Massachusetts |
| 63 | Frank D. Tanner | 43 | Head | Claims Adjuster | Massachusetts |
| 64 | Mary A. Tanner | 32 | Wife | — | New Hampshire |
| 65 | Janet Tanner | 8 | Daughter | — | Massachusetts |
| 66 | Mary E. Tanner | 4 | Daughter | — | Massachusetts |
| 67 | Mildred Tanner | 2 | Daughter | — | Massachusetts |
| 68 | Harry J. Phippen | 43 | Head | Salesman | Massachusetts |
| 69 | Ellen J. Phippen | 46 | Wife | — | Scotland |
| 70 | Jean W. Phippen | 12 | Daughter | — | Massachusetts |
| 71 | Andrew S. Candy | 69 | Head | Conductor | Massachusetts |
| 72 | Isabella Candy | 60 | Wife | — | Canada English |
| 73 | Ernest A. Hill | 61 | Head | Journalist | Massachusetts |
| 74 | Maude C. Hill | 53 | Wife | — | Massachusetts |
| 75 | Lester D. Hill | 32 | Son | Chauffeur | Massachusetts |
| 76 | Sumner C. Houke | 44 | Head | — | Massachusetts |
| 77 | Dorothy Randall | 21 | Boarder | School Teacher | Massachusetts |
| 78 | Everett J. Rhines | 22 | Servant | Caretaker | New Hampshire |
| 79 | Henry F. Hall | 36 | Head | Broker Ins. | Vermont |
| 80 | Elsie T. Hall | 24 | Wife | — | New Hampshire |
| 81 | Anna L. Canty | 40 | Head | Manager | Massachusetts |
| 82 | Frank D. Canty | 19 | Son | Junior Accountant | Massachusetts |
| 83 | Mary C. Canty | 13 | Daughter | — | Massachusetts |
| 84 | Charles F. Lancaster | 57 | Head | Clergyman | Canada English |
| 85 | Georgiana Lancaster | 45 | Wife | — | Canada English |
| 86 | Evelyn A. Lancaster | 13 | Daughter | — | Canada English |
| 87 | Charles A. Black | 60 | Head | — | Massachusetts |
| 88 | Mary B. Black | 68 | Wife | — | Massachusetts |
| 89 | Ida E. Bakuley | 60 | Sister-in-law | — | Massachusetts |
| 90 | Marion V. Harrington | 35 | Boarder | Layout Tracer | New Hampshire |
| 91 | Elvira H. Long | 68 | Boarder | — | Massachusetts |
| 92 | John H. Kernan | 68 | Head | Carpenter | Connecticut |
| 93 | Sybil M. Burrage | 60 | Sister | — | Connecticut |
| 94 | Arizina Soucy | 39 | Servant | Housekeeper | Canada French |
| 95 | Joanna R. Davis | 81 | Head | — | Massachusetts |
| 96 | Caroline M. Davis | 56 | Daughter | — | Massachusetts |
| 97 | Helen H. Davis THIS PERSON | 53 | Daughter | — | Massachusetts |
| 98 | Agnes J. Murphy | 59 | Housekeeper | Housekeeper | Irish Free State |
| 99 | Ruth L. Lumsden | 60 | Head | — | Maine |
| 100 | Janette Ab. Lumsden | 17 | Daughter | — | Massachusetts |
Pedigree Summary
Helen + 1 sibling
Gen 1 · 3 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)