Notes:

1849
John Archer Nelson in the India, Select Births and Baptisms, 1786-1947
Name: John Archer Nelson
Gender: Male
Birth Date: 5 Jul 1849
Baptism Date: 13 Sep 1849
Baptism Age: 0
Baptism Place: Bombay, Bombay, India
Father: Henry Nelson
Mother: Mary Wickham Nelson
Reference ID: v 23 p 140
FHL Film Number: 528777
Source Information
Ancestry.com. India, Select Births and Baptisms, 1786-1947 [database on-line]. Provo, UT, USA: Ancestry.com Operations, Inc., 2014.

http://search.ancestry.com/search/collections/FS1IndiaBirthsandBaptisms/1336272/printer-friendly?o_vc=Record%3aOtherRecord&rhSource=8767

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1861
John A Nelson in the 1861 England Census
Name: John A Nelson
Age: 11
Estimated birth year: 1850
Relation: Son (Child)
Father's name: Henry Nelson
Mother's name: Mary W Nelson
Gender: Male
Where born: East India, Bombay
Civil Parish: Hull Holy Trinity
County/Island: Yorkshire
Country: England
Street address:Waverly Street
Occupation: scholar
Condition as to marriage:unmarried
Registration district: Hull
Sub-registration district: Myton
ED, institution, or vessel: 42
Neighbors: View others on page
Household schedule number: 80
Piece: 3596
Folio: 51
Page Number: 12
Household Members:
Name Age
Henry Nelson 40
Mary W Nelson 33
John A Nelson 11
Henry S Nelson 8
William B Nelson 5
Mary E Nelson 2
Mary A Gresswood 20
Source Citation

http://search.ancestry.com/search/collections/uki1861/11984892/printer-friendly

actual image:

http://interactive.ancestry.com/8767/ERYRG9_3593_3597-0776/11984892?backurl=http%3a%2f%2fsearch.ancestry.com%2f%2fcgi-bin%2fsse.dll%3fdb%3duki1861%26indiv%3dtry%26h%3d11984892%26indivrecord%3d1&ssrc=&backlabel=ReturnRecord
Class: RG 9; Piece: 3596; Folio: 51; Page: 12; GSU roll: 543159