Geoffrey Boleyn was the son of Geoffrey Boleyn (d. 1440) yeoman of Salle, Norfolk, and Alice, and grandson of Thomas Boleyn (d. 1411) of Salle and Anne, an heiress, daughter of Sir John Bracton, a Norfolk knight. He went to London, was apprenticed to a hatter, and became a freeman of the city through the Hatter’s Company in 1428. In 1429 he transferred to a grander livery company, the Mercers’ Company, of which he became master in 1454. As a wealthy mercer he served as a Sheriff of London in 1447, as member of parliament for the city in 1449, as alderman in 1452, and Lord Mayor of London in 1457/8, and was knighted by King Henry VI. He purchased the manor of Blickling in Norfolk from Sir John Fastolf in 1452, and Hever Castle in Kent in 1462.
He was buried in the church of St Lawrence Jewry in the City of London.
Boleyn married Anne Hoo (1424 - 1484), the only child of Thomas Hoo, Baron Hoo and Hastings (d. 13 February 1455), by his first wife Elizabeth Wychingham, by whom he had two sons and five daughters:
- Sir Thomas Boleyn (d. 1471/2).
- Sir William Boleyn (d.1505), mercer, who married Margaret Butler, daughter and co-heiress of Thomas Butler, 7th Earl of Ormond.
- Isabella (1434–85) who married Henry Aucher (1410–60).
- Alice Boleyn b.abt.1438 d. abt. 1480 m. Sir John Fortescue of Punsborne, Hatfield, Herts d. 1500.
- Anne Boleyn (born c.1440), who married Sir Henry Heydon (d.1504), by whom she had eight children. She died c.1509.
- Cecily Boleyn b.abt.1442.
- Elizabeth Boleyn b.abt.1459.
Sir Geoffrey Boleyn died in 1471. He and his wife Anne were the great-grandparents of Queen Anne Boleyn.
|Offspring of Sir Geoffrey Boleyn, Lord Mayor of London and Anne Hoo (1424-1484)|
|Thomas Boleyn (-1471)|
|William Boleyn (1451-1505)||1451 England||<month not recognized> England||Margaret Butler (1454-1539)|
|Isabella Boleyn (1434-1485)|
|Alice Boleyn (c1438-c1480)|
|Anne Boleyn (-1510)||England||May 1510 England||Henry Heydon (-1504)|
|Cecily Boleyn (c1442-)|
|Elizabeth Boleyn (c1459-)|