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William Welch — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Marion, Iowa
Our Model Tree links this William Welch across the 1910, 1920 and 1930 US Censuses in Marion, Iowa (XGBoost, ~Confirmed) — first a head (b.~1883), then head of a 3-person household.
Age 47
b. ~1883
Male
Head
Born: Iowa
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Marion, Iowa |
| Surname | Welch |
| Given Name | William L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 20 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | VVW |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farmer |
| Township / Ward | Knoxville Township |
| Est. Birth Year | ~1883 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| William Welch | Head | — | 47 | ~1883 |
| Effie Welch | Other | — | 47 | ~1883 |
| Lloyd Welch | Son | — | 15 | ~1915 |
Census Appearances
1910
Marion, Iowa
Head, age 26
Marion, Iowa · implied b. ~1884 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Welch |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Iowa |
| Years Married | 3 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Virginia |
| Occupation | Farmer |
| Industry | General Farm |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Marion, Iowa
Head, age 36
Marion, Iowa · implied b. ~1884 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Welch |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | West Virginia |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Marion, Iowa
Head, age 47
Marion, Iowa · implied b. ~1883 — 3 household members
| Surname | Welch |
| Given Name | William L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 20 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | VVW |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 William Welch across 3 US Census years (1910, 1920 and 1930) in Marion, Iowa, using XGBoost record linkage.
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This person
Anchor record
William Welch
Head · 1930 · age 47 · b. ~1883 · Iowa
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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 — Marion, Iowa
Open full size
1930 US Federal Census — Marion, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel668:0290)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Bernice | 77 | Mother | — | Ohio |
| 52 | Eugene Buckley | 52 | Head | Farmer | Iowa |
| 53 | Mabel Buckley | 52 | Wife-H | — | Iowa |
| 54 | Vera Buckley | 9 | Daughter | — | Iowa |
| 55 | Howard Cecil | 30 | Head | Laborer | Iowa |
| 56 | John E. Ciamon | 54 | Head | Farmer | Iowa |
| 57 | Mary E. Ciamon | 50 | Wife-H | — | Iowa |
| 58 | Lewis A. Caulkins | 68 | Head | Farmer | Iowa |
| 59 | Eliza C. Caulkins | 67 | Wife-H | — | Iowa |
| 60 | Harold R. Caulkins | 18 | Son | Laborer | Iowa |
| 61 | Harold J. Smith | 34 | Head | Laborer | Kansas |
| 62 | Vernie M. Smith | 25 | Wife-H | — | Iowa |
| 63 | Walter F. Smith | 6 | Son | — | Iowa |
| 64 | Norman D. Smith | 4 | Son | — | Iowa |
| 65 | Everett Smith | 33 | Brother | Laborer | Iowa |
| 66 | Samuel M. Officer | 80 | Father-in-law | — | Indiana |
| 67 | Leroy A. Hayes | 54 | Head | Farmer | Iowa |
| 68 | Nora J. Hayes | 56 | Wife-H | — | Tennessee |
| 69 | Jesse P. Bless | 56 | Head | Farmer | Iowa |
| 70 | Sadie V. Bless | 49 | Wife-H | — | Pennsylvania |
| 71 | Hattie Wahn | 63 | Sister-in-law | — | Pennsylvania |
| 72 | Chas. S. Bonney | 42 | Head | Farmer | Iowa |
| 73 | Chas. S. Jr. Bonney | 16 | Son | — | Iowa |
| 74 | Robert L. Mccolly | 65 | Head | Farmer | Iowa |
| 75 | Lucetta Mccolly | 60 | Sister | Farmer | Iowa |
| 76 | David F. Welch | 38 | Head | Farmer | Iowa |
| 77 | Mary L. Welch | 35 | Wife-H | — | Iowa |
| 78 | Leslie H. Toff | 41 | Head | Farmer | Iowa |
| 79 | Emma G. Toff | 39 | Wife-H | — | Iowa |
| 80 | James A. Toff | 19 | Son | Laborer | Iowa |
| 81 | Rebecca Toff | 10 | Daughter | — | Iowa |
| 82 | James L. Goff | 55 | Head | — | Iowa |
| 83 | Edna Goff | 61 | Wife-H | — | Iowa |
| 84 | James C. Welch | 49 | Head | Farmer | Iowa |
| 85 | Myrtle M. Welch | 39 | Wife-H | — | Iowa |
| 86 | Myron G. Welch | 21 | Son | Farmer | Iowa |
| 87 | Howard Welch | 18 | Son | — | Iowa |
| 88 | Albert M. Welch | 16 | Son | — | Iowa |
| 89 | Verla V. Welch | 13 | Daughter | — | Iowa |
| 90 | Thelma M. Welch | 10 | Daughter | — | Iowa |
| 91 | Ora E. Gilchrist | 25 | Head | Farmer | Iowa |
| 92 | Blanche M. Gilchrist | 23 | Wife-H | — | Iowa |
| 93 | Ruby V. Gilchrist | 5 | Daughter | — | Iowa |
| 94 | Herbert L. Gilchrist | 3 | Son | — | Iowa |
| 95 | Matt Casper | 51 | Head | Miner | Italy |
| 96 | William L. Welch THIS PERSON | 47 | Head | Farmer | Iowa |
| 97 | Effie M. Welch | 47 | Wife-H | — | Iowa |
| 98 | Lloyd R. Welch | 15 | Son | — | Iowa |
| 99 | Donald L. Caulkins | 21 | Head | Farmer | Iowa |
| 100 | Edith M. Caulkins | 23 | Wife-H | — | Iowa |
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)