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Mother's Day 2027

Mother's Day size for a baby born in October

A baby born in October 2026 will be about 7 months old on Mother's Day, May 9, 2027.

  • Carter's9M
  • Old Navy6-12M
  • Cat & Jack6-9M
  • babyGap3-6M

Typical size that day: about 17.4 lb and 26.7 in.That's spring. Think light layers that work for cool mornings and warm afternoons.

Worked out for a birth date in the middle of October, a baby in the middle of the WHO growth chart, and room to grow. A birthday early or late in the month, or a baby who is longer or lighter than average, can land a size apart. The calculator below uses the exact date and your measurements. Last updated October 10, 2026.

Born October 2026: 7 months old on Mother's Day

Typical size: about 17.4 lb, 26.7 in long.

Born October 2025: 19 months old on Mother's Day

Typical size: about 23.7 lb, 32.4 in long.

Born October 2024: 2 years, 7 months old on Mother's Day

Typical size: about 29 lb, 36.2 in tall.

Born October 2023: 3 years, 7 months old on Mother's Day

Typical size: about 33.7 lb, 39.3 in tall.

Exact answer

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When baby lands between two sizes, room to grow picks the larger one.

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Sizes for each brand you pick will appear here, ready for the date you choose.