I had a hunch that with a name like Michael Farrell he would probably be Irish.
Possible Brother

Marriage;
JAMES Farrell
Ann MICKEL, 18 May 1826, St James, Louth, Lincs
Both of Louth, Batchelor/Spinster
Witnesses, Chas BROOKS, Elias FIELDS
1851 Census
Walker Gate,
Louth, Lincolnshire
HO107/2111/468/22
James FARRELL, 54, Head, Mar, Licensed hawker, born Ireland
Ann, 42, Wife, Mar,born Somercoates, Lincs
John, 19, Son, Unm,Agr lab, born Louth, Lincs
Mary, 13, Daug, Unm, Louth
Ellen, 6, Daug, Louth
Ann, 3, Daug, Louth
+ several visitors, mostly Hawkers from Poland/Germany/Russia/England
1841 They are in Walker Gate with 1 extra child Elizabeth born c 1830
James Farrell, 40, Hawker, born Ireland
Ann, 30
Elizabeth, 10
John, 8
Mary, 3
+ visiting hawkers