Notes:

1861
John C K Curtis in the 1861 England Census
Name: John C K Curtis
Age: 32
Estimated birth year: 1829
Relation: Head
Spouse's Name: Emma Curtis
Gender: Male
Where born: Northamptonshire, England
Civil Parish: St Pancras
Ecclesiastical parish: St Jude
County/Island: Middlesex
Country: England
Street address:Baker's Shop
Occupation: Baker
Condition as to marriage:married
Registration district: Pancras
Sub-registration district: Grays Inn Lane
ED, institution, or vessel: 11
Neighbors: View others on page
Household schedule number: 128
Piece: 107
Folio: 12
Page Number: 19
Household Members:
Name Age
John C K Curtis 32
Emma Curtis 34
Cuthbert Curtis 5
Jessy Curtis 1/12
Avis Johnson 81
Emma Johnson 36
Source Citation
Class: RG 9; Piece: 107; Folio: 12; Page: 19; GSU roll: 542574

http://search.ancestry.com/search/collections/uki1861/8642777/printer-friendly?o_vc=Record%3aOtherRecord&rhSource=7619

actual image:

http://interactive.ancestry.com/8767/MDXRG9_105_107-0468/8642777?backurl=http%3a%2f%2fsearch.ancestry.com%2f%2fcgi-bin%2fsse.dll%3fdb%3duki1861%26indiv%3dtry%26h%3d8642777%26indivrecord%3d1&ssrc=&backlabel=ReturnRecord

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1871
John C Curtis in the 1871 England Census
Name: John C Curtis
Age: 38
Estimated birth year: abt 1833
Relation: Head
Spouse's Name: Emma Curtis
Gender: Male
Where born: Northamptonshire, England
Civil Parish: St Leonard Shoreditch
Ecclesiastical parish: St John Hoxton
County/Island: London
Country: England
Registration district: Shoreditch
Sub-registration district: Hoxton New Town
ED, institution, or vessel: 24
Household schedule number: 324
Piece: 450
Folio: 63
Page Number: 47
Household Members:
Name Age
John C Curtis 38 Baker
Emma Curtis 42
Cuthbert Curtis 15
Jessie Curtis 10
Thomas Curtis 8
William W Curtis 5
Source Citation
Class: RG10; Piece: 450; Folio: 63; Page: 47; GSU roll: 823361
Source Information

http://search.ancestry.com/search/collections/uki1871/12046278/printer-friendly?o_vc=Record%3aOtherRecord&rhSource=7572

actual image:

http://interactive.ancestry.com/7619/LNDRG10_449_452-0194/12046278?backurl=http%3a%2f%2fsearch.ancestry.com%2f%2fcgi-bin%2fsse.dll%3fdb%3duki1871%26indiv%3dtry%26h%3d12046278%26indivrecord%3d1&ssrc=&backlabel=ReturnRecord

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1881
Jno.C.K. Curtis in the 1881 England Census
Name: Jno.C.K. Curtis
Age: 48
Estimated birth year: abt 1833
Relationship to Head: Head
Spouse: Emma Curtis
Gender: Male
Where born: Northamptonshire, England
Civil Parish: Southwark St John Horsleydown
County/Island: London
Country: England
Street address: 21 Thornton St
Marital Status: Married
Occupation: Master Baker
Registration district: St Olave Southwark
ED, institution, or vessel: 3b
Piece: 557
Folio: 13
Page Number: 19
Household Members:
Name Age
Jno.C.K. Curtis 48
Emma Curtis 52
Wm. Curtis 16
Source Citation
Class: RG11; Piece: 557; Folio: 13; Page: 19; GSU roll: 1341126

http://search.ancestry.com/search/collections/uki1881/20475877/printer-friendly

actual image:

http://interactive.ancestry.com/7572/LNDRG11_553_557-1008/20475877?backurl=http%3a%2f%2fsearch.ancestry.com%2f%2fcgi-bin%2fsse.dll%3fdb%3duki1881%26indiv%3dtry%26h%3d20475877%26indivrecord%3d1&ssrc=&backlabel=ReturnRecord
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1891
John C K Curtis in the 1891 England Census
Name: John C K Curtis
Age: 58
Estimated birth year: abt 1833
Relation: Father
Spouse's Name: Ann E Curtis
Gender: Male
Where born: Addington, Northamptonshire, England
Civil Parish: Lambeth
Ecclesiastical parish: St Thomas
Town: Lambeth
County/Island: London
Country: England
Street address: Lower Marsh
Occupation: Retired Baker
Condition as to marriage:Married
Registration district: Lambeth
Sub registration district: Waterloo Road Second
ED, institution, or vessel: 5
Neighbors: View others on page
Piece: 390
Folio: 3
Page Number: 3
Household Members:
Name Age
Thomas Curtis 28
John C K Curtis 58
Ann E Curtis 64
George Grey 28
Gottlieb Brider 28
Source Citation
Class: RG12; Piece: 390; Folio: 3; Page: 3; GSU roll: 6095500
Source Information

http://search.ancestry.com/search/collections/uki1891/9879928/printer-friendly?o_vc=Record%3aOtherRecord&rhSource=7619

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http://interactive.ancestry.com/6598/LNDRG12_388_390-0487/9879928?backurl=http%3a%2f%2fsearch.ancestry.com%2f%2fcgi-bin%2fsse.dll%3fdb%3duki1891%26indiv%3dtry%26h%3d9879928%26indivrecord%3d1&ssrc=&backlabel=ReturnRecord
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Family/Spouse: Whiting, Anne Emma. Anne (daughter of Whiting, John and Battams, Elizabeth) was born in 1827 in Wolverton, Buckinghamshire, England; was christened on 2 Jan 1828 in Holy Trinity, Wolverton, Buckingham, England. [Group Sheet] [Family Chart]