The images linked below show some of the different sorts of bibs and aprons used for babies and small children, mostly from 15th and 16th century artwork.
St. Anne and the Three Marys , The Book of Hours of Étienne Chevalier (BNF NAL 1416), 1452-1460
Goo hom, lytyl babe, and sytt on þi moderys lappe!
And put a mokador aforn i brest,
And pray þi modyr to fede þe with þe pappe.
Play 21 from the N-Town Cycle , ll. 41-43
Joseph in The St. Anne Altarpiece by Quentin Massys, 1507-1508
Triptych with the Holy Kinship and the Trinity with members of the Merode-Petershem family , southern Netherlands, c. 1510
Two pairs of farmers with children at a covered table by Pieter Brueghel the Elder, c. 1525-1569
Children's Games by Pieter Bruegel the Elder, 1559
Matthaus is ill at the age of three , Schwartz Trachtenbuch , 1561
Pierre de Moucheron, Merchant of Middelburg and Antwerp, and his family , 1563
The Banquet by Giovanni Antonio Fasolo, c. 1565
Peasant Dance by Pieter Bruegel the Elder, 1568
Antonius Anselmus, his wife and their children by Marten de Vos, 1577
Otto Venius painting, surrounded by his family , 1584
Miniature portrait of an infant by Isaac Oliver, c. 1590