'Visitor'

[youngtug]

Normally boarders are noted as such, visitors are people not living at that address, only visiting on the night of the census, albeit they may stay longer or not.

[kathyw75]

My husband's great grandfather was a "visitor" to a family of the same surname in 1851. He was also living with them in 1841, when relationship to head of family wasn't recorded. Heck of a long visit! He turned out to be their grandson, illigitimate son of their eldest daughter who had meanwhile gone off and married someone else.

[groom]

He may not have been there all that time - remember the census only shows who was actually in the house on census night. Could be a coincidence that he was there both times. 

[Jeuel]

My best find was a boy staying as a visitor with my grt grandfather and his parents in 1881.  When my gt grandfather married, the visitor was a witness, so I conjectured that they were good friends and the visitor was probably gt grandad's best man.

[Redroger]

Just shows the need to record everything we find in censuses. Visitors lodgers etc. and girls marrying out of the family often re appear in subsequent censuses as husbands wives or witnesses etc.etc.