WC
Walter Clark — 1930 US Census Record
Model Tree available1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Walter Clark across the 1910, 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1905), then head of a 5-person household.
Age 25
b. ~1905
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Clark |
| Given Name | Walter L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | salesman |
| Industry | electric light co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Salesman |
| Township / Ward | Somerville City |
| Est. Birth Year | ~1905 |
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 Walter | Age | Birth yr |
|---|---|---|---|---|
| Helen Clark | Daughter | — | 18 | ~1912 |
| Walter Clark | Head | — | 54 | ~1876 |
| Thomas Hutchins | Other | — | 57 | ~1873 |
| Walter Clark | Son | — | 25 | ~1905 |
| Flora Clark | Spouse | — | 53 | ~1877 |
Census Appearances
1910
Middlesex, Massachusetts
Son, age 6
Middlesex, Massachusetts · implied b. ~1904 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Son, age 16
Middlesex, Massachusetts · implied b. ~1904 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Walter J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Helper |
| Industry | Auto Truck |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 25
Middlesex, Massachusetts · implied b. ~1905 — 5 household members
| Surname | Clark |
| Given Name | Walter L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | salesman |
| Industry | electric light co. |
| Class of Worker | W |
| 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 Walter Clark across 3 US Census years (1910, 1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage. Identified parents: father John Clark (~0.92 confidence) and father John Clark (~0.92 confidence) and mother Margaret Clark (~0.92 confidence) and mother Margaret Clark (~0.92 confidence) and father Walter Clark (~0.92 confidence) and mother Flora Clark (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Clark
b. ~1861
Source father
● Household
· direct · ~0.92
Father
John Clark
b. ~1862
Source father
● Household
· direct · ~0.92
Mother
Margaret Clark
b. ~1863
Source mother
● Household
· direct · ~0.92
Mother
Margaret Clark
b. ~1864
Source mother
● Household
· direct · ~0.92
Father
Walter Clark
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Flora Clark
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Walter Clark
Son · 1930 · age 25 · b. ~1905 · Massachusetts
★ You are viewing this record
Sibling
Helen Clark
Sibling · 1930 · age 18
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:massachusettscensus00reel929:0436)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Helen Milliken | 22 | Lodger | Domestic | Canada English |
| 52 | Walter E. Bacon | 23 | Head | Auto Mechanic | Massachusetts |
| 53 | Alfreda Bacon | 22 | Wife | None | Canada English |
| 54 | Walter E. Bacon | 1 | Son | None | Massachusetts |
| 55 | Ernest M. Lewis | 32 | Head | Chauffeur | Massachusetts |
| 56 | Rosalie Lewis | 28 | Wife | None | Canada English |
| 57 | Patricia Lewis | 3 | Daughter | None | Canada English |
| 58 | Geo. Luce | 40 | Head | Laundryman | California |
| 59 | Charles J. De Noyer | 62 | Head | Commercial Traveler | New York |
| 60 | Alice E. De Noyer | 61 | Wife | None | Massachusetts |
| 61 | Lizzie Miller | 48 | Head | None | Vienna |
| 62 | Lillian Miller | 29 | Daughter | Clerk | New Jersey |
| 63 | Arthur B. Dalton | 70 | Head | Real Estate | Massachusetts |
| 64 | Clara E. Dalton | 72 | Wife | None | Massachusetts |
| 65 | Edward H. Parker | 57 | Head | Inventor | New Hampshire |
| 66 | Mary J. Parker | 54 | Wife | None | Massachusetts |
| 67 | Bernice F. Parker | 25 | Daughter | Private Secretary | Massachusetts |
| 68 | George Fred Royer | 38 | Head | Detective | Connecticut |
| 69 | Emma J. Royer | 42 | Wife | None | Massachusetts |
| 70 | Jessie Royer | 8 | Son | None | Massachusetts |
| 71 | Lillian Moore | 78 | Mother in law | Milliner | Maine |
| 72 | Augustine Lomney | 28 | Head | Truck Driver | Massachusetts |
| 73 | Helen Lomney | 23 | Wife | None | Massachusetts |
| 74 | Helen M. Lomney | 1 | Daughter | None | Massachusetts |
| 75 | Theodore G. De Son | 67 | Head | None | Massachusetts |
| 76 | Joseph Railwood | 62 | Head | Salesman | England |
| 77 | Elizabeth Railwood | 58 | Wife | None | Illinois |
| 78 | Hans P. Hanson | 53 | Head | Machinist | Denmark |
| 79 | Anna S. Hanson | 53 | Wife | None | Sweden |
| 80 | John V. Widerstrom | 54 | Head | Cabinet Maker | Sweden |
| 81 | Selma Widerstrom | 63 | Wife | None | Sweden |
| 82 | Siri K. Widerstrom | 19 | Daughter | None | Massachusetts |
| 83 | Walter L. Clark | 54 | Head | Photographer | Massachusetts |
| 84 | Flora B. Clark | 53 | Wife | None | Massachusetts |
| 85 | Walter L. Clark THIS PERSON | 25 | Son | Salesman | Massachusetts |
| 86 | Helen S. Clark | 18 | Daughter | None | Massachusetts |
| 87 | Thomas J. Hutchins | 57 | Lodger | Machinist | Massachusetts |
| 88 | Charles J. Barry | 40 | Head | Police Officer | Massachusetts |
| 89 | Elizabeth F. Barry | 7 | Daughter | None | Massachusetts |
| 90 | Margaret M. Barry | 30 | Sister | Stenographer | Massachusetts |
| 91 | Patrick J. Lyons | 33 | Head | Policeman | Massachusetts |
| 92 | Margaret M. Lyons | 37 | Wife | None | Massachusetts |
| 93 | Richard Lyons | 1 | Son | None | Massachusetts |
| 94 | John J. Cummings | 45 | Head | Custodian | Massachusetts |
| 95 | Mary J. Cummings | 44 | Wife | None | Massachusetts |
| 96 | Francis J. Cummings | 16 | Son | None | Massachusetts |
| 97 | John D. Cummings | 14 | Son | None | Massachusetts |
| 98 | Rachel R. Cummings | 12 | Daughter | None | Massachusetts |
| 99 | William C. Cummings | 10 | Son | None | Massachusetts |
| 100 | Francis J. Hickey | 25 | Lodger | Houseman | Canada French |
Pedigree Summary
Walter + 1 sibling
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)