MH
Mary Hudson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Ringgold-County, Iowa
Our Model Tree links this Mary Hudson across the 1920, 1930 and 1940 US Censuses in Ringgold-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1883), then head of a 5-person household.
Age 57
b. ~1883
Female
Spouse
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Ringgold-County, Iowa |
| Surname | Hudson |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Mount Ayr city |
| 1935 Residence (County) | Ringgold County |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Mount Ayr City |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Margit Hudson | Daughter | — | 15 | ~1925 |
| James Hudson | Head | — | 67 | ~1873 |
| Glen Hudson | Son | — | 21 | ~1919 |
| Alvin Hudson | Son | — | 19 | ~1921 |
| Mary Hudson | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Ringgold, Iowa
Spouse, age 37
Ringgold, Iowa · implied b. ~1883 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hudson |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Indiana |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Ringgold, Iowa
Spouse, age 47
Ringgold, Iowa · implied b. ~1883 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hudson |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 18 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Ringgold-County, Iowa
Spouse, age 57
Ringgold-County, Iowa · implied b. ~1883 — 5 household members
| Surname | Hudson |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Mount Ayr city |
| 1935 Residence (County) | Ringgold County |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Hudson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Hudson
Spouse · 1940 · age 57 · b. ~1883 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Ringgold-County, Iowa
Open full size
1940 US Federal Census — Ringgold-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01201-00247)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Alta P. Sheppard | 65 | Wife | — | Iowa |
| 42 | Ellis Thompson | 51 | Head | Manager | Iowa |
| 43 | Emma E. Thompson | 48 | Wife | — | Missouri |
| 44 | Berman Ed. Thompson | 52 | Boarder | Buyer | Iowa |
| 45 | Walter Hamer | 35 | Head | B. | Iowa |
| 46 | Hazel Hamer | 30 | Wife | — | Iowa |
| 47 | Raymond Hamer | 8 | Son | — | Iowa |
| 48 | Robert J. Sturman | 35 | Head | Farm. | Iowa |
| 49 | Nettie A. Sturman | 32 | Wife | Teacher | Missouri |
| 50 | Ora D. Cole | 26 | Head | Salesman | Missouri |
| 51 | Ruby Cole | 25 | Wife | — | Iowa |
| 52 | Donald Hudson | 35 | Head | Salesman | Iowa |
| 53 | Merta M. Hudson | 27 | Wife | — | Iowa |
| 54 | Leland A. Jacob | 35 | Head | Trucker | Iowa |
| 55 | Myrtle D. Jacob | 63 | Wife | — | Iowa |
| 56 | Leo C. Laird | 45 | Head | Mail Carrier | Iowa |
| 57 | Vona D. Laird | 35 | Wife | — | Iowa |
| 58 | Janet Sue Laird | 2 | Daughter | — | Iowa |
| 59 | Virginia B. Laird | 12 | Daughter | — | Iowa |
| 60 | Troy S. Parr | 27 | Head | Owner | Iowa |
| 61 | Edna Parr | 24 | Wife | — | Iowa |
| 62 | Sharon S. Parr | 4 | Daughter | — | Iowa |
| 63 | James M. Hudson | 67 | Head | — | Indiana |
| 64 | Mary E. Hudson THIS PERSON | 57 | Wife | — | Indiana |
| 65 | Glen E. Hudson | 21 | Son | Musician | Iowa |
| 66 | Alvin G. Hudson | 19 | Son | Musician | Iowa |
| 67 | Margit L. Hudson | 15 | Daughter | — | Iowa |
| 68 | Geo. S. Clarias | 31 | Head | — | Iowa |
| 69 | Agnes R. Allen | 46 | Head | — | Wisconsin |
| 70 | Beatrice Allen | 38 | Daughter | Owner | Iowa |
| 71 | Julia A. Bailey | 83 | Head | — | Iowa |
| 72 | Marie Ralph Bailey | 63 | Brother | Owner | Iowa |
| 73 | Ora A. Merritt | 65 | Head | Janitor | Iowa |
| 74 | Cora S. Merritt | 67 | Wife | — | Iowa |
| 75 | Robert Briggs | 32 | Roomer | Labor | Kansas |
| 76 | Marjorie Synder | 23 | Lodger | Stenographer | Iowa |
| 77 | Francis P. Stalcup | 27 | Lodger | Clerical | Iowa |
| 78 | Ruth Woolums | 25 | Lodger | Clerical | Iowa |
| 79 | John E. Freeland | 26 | Head | Owner | Iowa |
| 80 | Mary E. Freeland | 25 | Wife | — | Iowa |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)