Despite conflicting census returns I believe James to be the son of James Mars & Mary Ann Hannah Cooper who were married in Nottingham in 1876 their sons both seem to have been born in Leicester
Mars, James (Cooper) GRO: 1890 S Leicester Vol7a Page 263
Mars, George (Cooper) GRO: 1893 M Leicester Vol7a Page 302
1891 Census Saffron Lane, Aylestone, Blaby, Leicestershire,
James Mars Head Married Male 43 1848 Boot & Shoe Finisher Gloucestershire,
Hannah Mars Wife Married Female 42 1849 – Nottinghamshire,
Amelia Mars Daughter Single Female 15 1876 Boot & Shoe Machinist Nottingham,
Elizabeth Mars Daughter – Female 12 1879 Scholar Leicestershire,
Alfred Mars Son – Male 10 1881 Scholar Nottingham,
Emily Mars Daughter – Female 8 1883 Scholar Nottinghamshire,
James Mars Son – Male 2 1889 – Leicestershire,
1901 Census 3, St Thomas Street, Stafford, Staffordshire
James Mars Head Married Male 52 1849 Boot Finisher Stafford, Staffordshire,
Hannah Mars Wife Married Female 43 1858 – Stafford, Staffordshire,
James Mars Son Single Male 12 1889 – Stafford, Staffordshire,
George Mars Son Single Male 9 1892 – Stafford, Staffordshire,
1911 Census Bhurtpore Barracks South Tidworth, Hampshire,
James Mars Single Male Age 20 1891 born Leicester
JERUSALEM MEMORIAL
Panels 23 and 24.
